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must的用法一:必修三英语课文课件
在进行必修三的教学时应该瑞鹤准备课件呢?下面是小编分享给大家的必修三英语课文课件，希望对大家有帮助。
第1课时 Talk about festivals:
some traditional Chinese Festivals
Spring Festival春节
Qingming Festival 清明节 Double Ninth Festival 重阳节
Double Seventh Festival 七夕节 Mid-Autumn Festival中秋节
Lantern Festival 元宵节（The Yuanxiao Festival）
Dragon Boat Festival 端午节
*Festivals are meant to celebrate important events.
*What’s your favorite holiday of the year?
*What festivals or celebrations do you enjoy in your city or town?
*Do you like spending festivals with your family or with your friends?
*What part of a festival do you like best——the music, the things to see, the visit or the food?
*Festivals and celebrations o f all kinds are held everywhere.
*They lit fires and made music because they thought these festivals would bring a year of plenty.
*Some festivals are held to honor the dead or satisfy and please the ancestors.
*Festivals can be held as an honor to famous people or the gods.
*The most energetic and important festivals are the ones that look forward to the end of
winter and to the coming of spring.
*Festivals let us enjoy life, be proud of our customs and forget our daily life for a little while.
第2课时【自主学习】单词预习学案
1.庆典，庆祝 n._________ v.__________
庆祝严寒的结束__________________________, ________________
2. 起源，由来n._________
Her mother is French __________(原籍)
宗教 n. _________ adj._______ 宗教信仰__________
3.到达n.________ v._____________
幸存，生还 n._____________v.____________
4. 独立 n.____________adj.___________
从英国人那儿获得独立______________
5.盼望春节的到来_______________ _______________
Special attention should be paid to __________(pronounce)the words.
6.与家人玩得开心_________ 取笑某人，拿某人开玩笑___________
I did it_____________(闹玩地) 搞某人的恶作剧____________
7.必要性，需要;必需品n._____ 必需的adj._______ 生活必需品______
8.守信用，履行诺言 __________ ___________ 食言____________
9. 道歉v.__________ n.___________ 因某事向某人道歉__________
Please accept my ______________(道歉) for that
Me to ___________ (道歉)to that fellow? No way!
He _________________(向我道歉) for stepping on my foot.
10. 淹没，溺死v. __________ pt ___________ pp ____________
a drowning man(译)_____________ a drowned body(译)_____________
drown oneself in work(译) __________ drown one’s sadness in wine __________
11. 哭泣，流泪v._____________ pt___________pp_________
He ______________(因失败而哭泣)his failure.
扫v._________________ pt._____________ pp._________________
【合作探究】
12. 用dress, clothes, clothing, cloth适当形式填空
1)The ________ (衣服)need washing, can you have _______(it, them)washed?
2)The shop sells children’s___________ only.
3)Please cover the table with a ___________.
4)____________________________(一件衣服)
5)People are expected to wear formal __________ in a wedding.
13. in memory of; in celebration of; in honour of; in the shape of, in search of 填空
1)The boys went_________________ something to eat .
2) He wrote a poem _________________his wife.
3).Many people joined them ______________(寻找那个失踪的孩子)
4).People eat food _________ skulls on festival of the dead.
5)A ceremony was held _______________those killed in the earthquake
【当堂检测】
1)The great flood _________________________many villages.那次大洪水把许多村子都淹没了。
2)You must ___________________________(为迟到向你朋友道歉)。
3).Finlan d _______________________Russian during World War I.
芬兰在一战中从俄国中独立出来。
4). The job will ___________________his parents (使他独立于父母)
5). Last summer I took a course on ______________.
A. how to make dresses B. how dresses be made
C. how to be made dresses D. how dresses to be made
6). He wept _______ joy at the news that he was admitted to Beijing
University.
A. for B. as C. to D. in
第3课时
内容 Reading—A sad love story
【自主学习】Step I ：Reading Comprehension
1. Li Fang was heart-broken because _________
A. his girlfriend said goodbye to him
B. his girlfriend didn’t love him any longer
C. his girlfriend didn’t turn up
D. he didn’t love his girlfriend
2. Why couldn’t Niulang follow Zhinv to the Heaven?
A. Because he lost his way
B. Because he lost heart
C. Because he had to take care of the babies.
D. Because the Milkey Way stopped him
3. The truth of the story is that ________
A. Hu jin doesn’t love Li Fang any longer and want to say goodbye to him.
B. The two lovers waited for each other in different places.
C. Li Fang should have waited in the tea shop.
D. Hu Jin should have waited in the tea shop.
Step II: Translate the phrases
1. 出现，到达，露面 ______________
2. 守信用，履行诺言________________
2. 用咖啡解愁 ____________________
4. 在人间，究竟 ________________
5. 动身往家走 __________________
6. 把花和巧克力都扔掉_______________
7.展翅搭桥 __________________________
【合作探究】
Step III: Translate the sentences
1. He was not going to hold his breath for her to apologize.
_____________________________________________________________
2. It was obvious that the manager of the coffee shop was waiting for Li Fang to leave.
_____________________________________________________________
3. Finding that Zhinv was heart-broken, her grandmother finally decided to let the couple cross the Milky Way to meet once a year.
_____________________________________________________________idn’t turn up. She could be with her friends right now laughing at him.
_____________________________________________________________
Language Points:
1. But she didn’t turn up.
turn up: vi.1). To arrive 到达；来到；露面
We planned to meet at half past seven, but she never turned up.
2). (被) 发现。（被）找到
Don’t worry about the letter . I’m sure it’ll turn up.
Vt. 开大；调高（音量；热量等）
Could you turn up the radio?
短语链接：
turn down 关小（声音，灯等）；拒绝 turn against 背叛 turn in 上缴；拐入
turn on/off 打开/关上 turn over 翻身/ 页；移交 turn away 打发走
turn out 结果证明是；生产； 制造 turn to 求助于；转向做…
【巩固练习】
用turn短语的正确形式填空：
1. He promised to come, but hasn’t _______ _________ yet.
2. She tried to join the army but _______ _______ _______ because of poor health.
3. Whenever in trouble, you can _______ _______ the police for help.
4. The weather _______ ________ to be fine.
5. Hundreds of people were __________ _________ from the island, so it was called “the land of tears”.
3. I don’t want them to remind me of her.
remind sb. of sth. 使某人想起某事；提醒某人某事
e.g. The photo reminded me of my childhood.
Please remind me of this afternoon’s meeting.
拓展： remind sb. to do sth. 提醒某人做…
e.g. Remind me to write to mother, please.
remind sb. that 提醒某人某事
e.g. I reminded him that he must go home b efore dark.
【巩固练习】
1).Travelers ________ ______ _______(被提醒) climbing the hill is dangerous.
2).He _______ ______ ______（提醒我）take an umbrella along.
3).The photo _________ ________ ______ ______ _____(使那老人想起) what he had suffered in the war.
3. It was obvious that the manager of the coffee shop was waiting for LiFang to leave.
It is / was obvious that … 显然， …是显而易见 的。 其中的it是形式主语
that引导的是真正的主语， 此句型可以改为：“Obviuously, …”
e.g. 1. Obviously, you misunderstood him.
2. It was obvious to everyone that he was very nervous.
【当堂检测】
1.在咖啡店遇到某人, _________2.下班后_______,3突然出现；到场；调大（收音机等）_____, 4.right now,______5.嘲笑,______6守信用；履行诺言______, 7.look forward to ~ing 8. all day_____9 be alone with sb______7, be like a fool_______, 8、hold one’s breath______, 9.drown one’s sadness in coffee,_________10. it is obvious that….._________, 10.wait for…to leave_________, 11.wipe the table________, 12., turn on the TV_______, 13.a weaving girl_____, 14.a herd boy______,15. fall in love with_______, 16.get married secretly_______________ 17., be married to sb._________, 19.return to Heaven, _______ 20.cross the river______, 21once a year_________, 22.on the seventh day of the seventh lunar month__________, 23. hear about_________,24 set off for home_________, 25, remind sb. of…__________ 26._____________在回家路上,27. hear…~do/ ~ing, _________28.wave at sb.______,29. have a gift for sb.___________ 30. a happy Valentine’s Day_________
Ⅰ.课文词汇填空（旨在复习本课文中的单词拼写和主要词语等） 根据课文内容完成下面语法填空，注意单词拼写和词语用法：
There are all kinds of celebrations1 （遍及）the world. Different countries have different festivals. Festivals of the Dead are held to honour the 2 (death) or to satisfy the ancestors. Festivals can also 3 (hold) to honour famous people. In China, the Dragon Boat Festival honours the famous 4 （古代的） poet, Ou Yuan. The most energetic and important 5 （节日 ）are Spring Festivals 6 look forward to the end of winter and the coming of spring. At the Spring Festival in 7 , people eat such things 8 dumplings, fish, and meat and give children lucky money in red paper. Some western countries have very 9 (excite) carnivals, which take place forty days before Easter, usually in 10 （二月）.
Ⅱ.课文大意概括（旨在训练用30个单词概括大意的能力） 阅读课文，试着用30来个单词概括课文大意或翻译下面短文。
文章告诉了我们世界各地五种重要节日并解释了人民为什么，在何时以及如何举行各种活动来庆祝这些节日。
The passage tells us __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
词组（共10小题；每小题0.5分，满分5分）
11. 有意义,行得通 ___________________________________________
12. (在我)看来,(依我的)观点 _____________________________________
13. 定居, 安下心来 _____________________________________________
14. 对……有影响 _______________________________________________
15. 为了纪念 __________________________________________________
16. 以……为自豪 _____________________________________________
17. 使某人想起某事 ____________________________________________
18. 对… 感到乐观 ____________________________________________
19. 使某人高兴的是 _____________________________________________
20. 导致某事,造成某事 ______
一 多项选择
1. In order to save the animals out of danger, they ____ a special place for them to live freely.
A. set free B. set off C. set out D. set aside
2. I didn’t mean to keep you waiting here for a long time. There are several traffic jams on the way. Can you ____ me?
A. apologize B. interrupt C. forgive D. behave
3. I am surprised that you should have been fooled by such a ____.
A. role B. deal C. test D. trick
4. It’s the ___ in the country to go out and pick flowers on the first day of spring.
A. use B. habit C. custom D. normal
5. ---Have you heard the story of The merchant of Venice?
--No. When and where does the story ____?
A. take up B. take off C. take on D. take place
6. Washington, a state in the United States, was named _____ one of the greatest American presidents.
A. in favor ofB. in need of C. in search of D. in honor of
7. The police are offering a $ 60,000 _____ for information about the killer.
A. reward B. priceC. awardD. prize
8. We invited her to dinner but she didn’t even bother to _____.
A. turn toB. turn upC. turn on D. turn down
9. On Halloween, children in American like to ____ as ghosts to frighten people.
A. make upB. put onC. dress upD. spy on
10. Almost all of us ____him for his courage in front of difficulty.
A. award B. admire C. accept D. forgive
11. All the teachers and students have got everything ready to ____ the 50th anniversary of our school.
A．congratulate B．celebrate C．inspect D．respect
12. Three university departments have been ______ $600 ,000 to develop good practice in teaching and learning.
A．promoted B．included C．secured D．awarded
13. In order to find a cure to the disease，he travels about the world _____ facts about little known diseases.
A．gathering B．searching C．collecting D．receiving
14. Tom _____ friendship and experience from the local residents, working with them for 3 years.
A．beat B．won C．gained D．made
15. History is about forgiving not forgetting. If some people forget history we should _____ them.
A．repeat B．remember C．remind D．r ecord
16. Since my childhood, I have been dreaming of _____ on a journey round the world. But till now, the dream doesn"t come true.
A．putting off B．setting off C．taking off D．going out
17. The old man was almost dying, terrified with darkness and loneliness. He really _____ love and care.
A. turned to B. relied on C. starved for D. referred to
18. It _____ a few days later that he failed to pass the tests to get a place to study at the key school.
A. turned up B. turned out C. turned off D turned to
二 完成句子
1. 们家乡在过去的20年里发生了巨大的变化。（take）
Great changes ______________________________ in our hometown in the past 20 years.
2. 那老师因迟到向学生道歉。（apologize）
The teacher ______________________________________________ late.
3. 我一直渴望再次见到你。 （forward）
I __________________________________________________ you again.
4. 黄色的花朵总使他想起在乡下的童年。 （remind）
Yellow flowers always _______________________________________ in the countryside.
5. 今天上午我在办公室看到了她，她不该不经医生允许就回来上班。(come)
I saw her in the office this morning. She _____________________________
_________________ without the doctor’s permission.
6. 打扮成圣诞老人，他很受孩子们欢迎。 （dress）
_____________________________ Father Christmas, he is popular among
Children.
8. 他耍花招使我相信了他说的话。(trick)
He _________________________ make me believe what he said.
9. 她讨厌在公共场所被开玩笑。（trick）
She hates __________________________________ in public.
10. 他站在山顶欣赏大自然的美景。 （admire）
He stood on the top of the mountain ____________________________
__________________ .
11. 他看上去很困倦，昨晚一定熬夜写论文。 （stay）
He looks sleepy. He must ________________________________ last night,
writing the essay.
12. 别坐在那里什么也不干，来帮忙整理桌子。（do）
Don’t sit there ______________________. Come and help me with the table.
13. 天气许可的话，明天我会来的。 （permit）
I’ll come tomorrow, _______________________________ .
14. 这是一次小型的非正式的老同学聚会，你不必盛装打扮。 （dress）
It’s a small informal party among our old classmates--- you ____________
____________________________.
15. ---那边可能是谁呢? ---有可能是我们的语文老师，他总穿红衣服。（be）
--- Who________________________ over there?
---It may be our Chinese teacher who is always dressed in red.
第4课时 Grammar: Modal verbs:
may / might, can / could, will / would, shall / should, must / can的用法
【自主学习】
1. may 与might的用法
may 与 might
1)表示允许、许可。否定答语一般要用mustn’t，表示“禁止、阻止”之意。 --- May I watch TV after supper?
--- Yes, you may. / No, you mustn’t.
2)在表示请求、允许时, might比 may的语气更委婉一些。在日常口语中，用can征 询对方意见更为常见。 ---Might I use your telephone?
--- Yes, please.
--- May / Can I go home now?
--- Yes, you may / can.
3)表示可能性的推测，含有“或许”“大概”“可能”之意，用might代替may时，则语气显得更加不肯定。
What he said may be true.
She may come tomorrow.
He might have some fever.
2. can与could的用法
can 与 could
1)表示能力Some of us can use the computer now, but we couldn’t last year.
2) 表示客观的可能性It will be sunny in the daytime, but it could rain later on this evening.
3) 表示请求和允许 --- Can I go now?
--- Yes, you can.
4)表示请求,口语中常用could代替can,使语气更加婉转Could you wait a few day for the money?
Could you please show me the way to the station?
5)表示惊异、怀疑、不相信的态度（主要用于否定句、疑问句和惊叹句中）
Can this news be true?
It can’t be the headmaster. He’s gone to Beijing.
How can you be so foolish!
3. will与would的用法
will与would 1）.用于表示意志或意愿。Will指现在，would指过去 I will never do that again.
They said that they would help us.
2）.表示请求、建议等，用would比用 will委婉、客气些 Will you please take a message for me?
Would you please pass him the book?
3）.表示习惯性动作，译为“总是”“惯于”。Will指现在，would指过去 Fish will die without water.
Every evening, she would sit by the window, deep in thought.
4）.表示预料或猜想 It would be about ten when he left home.
I thought he would have told you about that.
5）.用于否定句中，表示“不肯”“不乐意No matter what I said, he wouldn’t listen to me.
4.shall与should的用法
shall 1）用于第一、第三人称疑问句中，表示说话人征求对方的意见 What shall we do next?
Shall I do the washing-up?
When shall my brother be able to leave hospital?
2）用于第二、第三人称的陈述句中，表示 说话人给对方的命令、警告、允诺或威胁
You shall go with me. ( 命令)
You shall have a new dress for your birthday.（允诺）
He shall be punished.（威胁）
should
1)表示劝告或建议，作“应该”讲 We should be strict with ourselves.
You should keep your promise.
2) 表示推测，作“可能”、“该”讲The roads should be less crowded today.
I should have finished reading it by Friday.
3)Why / how + should结构表示说话人对谋事不能理解、感到惊异等意思，译为“竟会”
Why should you be so late today?
（你今天怎么来的这么晚？）
I don’t know why you should think th at I did it.
（我真不明白你凭什么认为这件事是我干的。）
5. must, may (might) 和can表示“推测”的用法
must 只能用于肯定句，表示可能性很大的一种推测，作“肯定”“一定”讲 (1)--- Look, someone is coming. Who can it be?
--- It may be the headmaster.
---It can’t b e him. He has gone to Shanghai.
--- Then it must be Mr Zhang. He looks like the headmaster.
(2)--- What can they be talking about?
--- They may / must be talking about the question raised at the meeting.
(3) --- Can they have finished the work?
--- Yes, they may / must have finished it.
--- No, they can’t have finished the work so soon.
--- Then they must have played so much.
May /might 用于肯定句中（可能，或许，大概）；用于否定句中（可能不）。表示可能性较小的一种推测
can 表示推测时，只用于否定句和疑问句中
【合作探究】：I. 单项填空：
1. Write in simple English in order that everybody ______ understand
you. A. may B. must C. should D. will
2. You _______ miss the lecture, though you ______ have it.
A. mustn’t; needn’t B. needn’t; mustn’t
C. mustn’t; mustn’t D. can’t;
needn’t
3. --- Better not have the operation right now.
--- ________.
A. I mustn’t B. I shouldn’t C. I won’t D. I can’t
4. The train was ten minutes late, so I ______ have run all the way from my house to the station.
A. couldn’t B. shouldn’t C. needn’t D. mustn’t
5. I’m not going simply because I don’t see why I _______.
A. will B. would C. should D. shall
6. --- It must be Mr. Li who did it.
--- No, it _____ be Mr. Li.
A. mustn’t B. can’t C. wouldn’t D. may
7. --- It’s getting cloudier and cloudier.
--- Yes, I’m afraid it ______ be raining soon.
A. must B. should C. might D. can
8. I promised to get there before 5 o’clock, but now the rain is pouring
down. They _____ for me impatiently.
A. may wait B. ought to wait C. could wait D. must be waiting
9. --- ______ you make so much noise?
--- Sorry, I’ll take care not to.
A. Must; B. Can C. May D. Would
10. On Sundays when I was a child, Father and I _____ get up early and go fishing.
A. could B. would C. might D. should
11.I ______ have written to him because he phoned me shortly afterwards
A. ought to B. must C. couldn’t D. needn’t
12. --- _____ the plane have taken off on time?
--- I’m afraid not. The fog was too thick then.
A. Need B. Should C. Can D. Must
13. This looks like a different kind of stone. What _____ we do with it?
A. will B. shall C. would D. do
14. He has much money at the beginning of every month, but by the end of it he _____ little left.
A. can have B. will have C. should have D. need have
15. How _______ you say that you really understand the whole story if you have finished only part of the article?
A. must B. need C. may D. can
【当堂检测】II. 用适当的情态动词填空：
1. There is 20 minutes left. We _______ (not) have to be in such a hurry.
2. Where is my watch? I really can’t find it. Where _____ it be?
3. The doctor told the old man that he ______ avoid eating fat.
4. It’s too late. I think he ______ go to bed.
5. ______ you mind my troubling you with a few questions?
第5课时
【自主学习】
I. 单词拼写
1.Tom celebrated the a_________（到达）of the New Year with a party for his friends.
2. Getting food to s__________（挨饿的） people does nothing to stop the war.
3. We just can’t find enough good second-hand cars to s__________（满足） demands.
4. The fruit was often served at wedding f__________（盛宴）.
5. Is Russia a E_______（欧洲） country or Asian country? Many people are puzzled sometimes.
6. Carolina was a__________ （奖励）the prize for both films.
7. No one is to see the document without the p__________ （许可）of the writer of the report.
8. I’ve made up my mind, but it’s o_______（显而易见）that you need more time to think it over.
9. Dolphins have sometimes been known to save d__________ （快要溺死）swimmers.
10. I used to a__________ （羡慕）him as a true scientist and hard worker.
II. 短语翻译
1. 出现______________________ 2. 饿死 ____________________
3. 对…满足___________________ 4. 导致 ____________________
5. 纪念 _____________________ 6. 盛装 ____________________
7. 开玩笑____________________ 8. 期望 ____________________
9. 好像______________________ 10. 玩得开心 ________________
11. take place _________________ 12. day and night ______________
13. a couple of ________________ 14. hold one’s breath ___________
15. keep one’s word ____________ 16. apologise to sb for sth _______
17. be meant to _______________ 18. do harm __________________
19. have one’s origin as _________ 20. set off for _______ __________
【合作探究】III. 词语辨析
A）forgive, excuse, pardon
excuse:“原谅”，指有意放过人们在社会，习俗方面的具体行为。如失礼，疏忽或失职，不予以指责和惩罚，常用于口语。
forgive:“饶恕，宽恕，赦免”，感情色彩较浓，表示不但放弃一切报复要求，且打消一切复仇的心理，不再愤恨，强调主观和内心的宽恕。
pardon:“原谅，宽恕”，正式用语，指放弃处罚要求，予以赦免，尤其指由上级按法律正式赦免过失或过错。作原谅讲时，同excuse，较老套、正式，主要用于“知道自己的言行将冒犯对方时候”。
1Please __________ me for using your telephone without asking for permission. I thought you wouldn’t mind.
2 She was so kind as to __________ her close friend who had done harm to her when she was in a great difficulty.
3 The two spies were __________ by the President yesterday.
B）collect, gather
gather和collect均可表示“收集”，但collect有区别挑选之意，表示收藏某类物品时多用此词，gather则强调将散乱的东西集中起来。指“聚集” 时两者同义。
1. One of Tony’s hobbies is __________ rare birds.
2. Clouds __________ before a thunderstorm came.
C) think of, think about, think over
think about指"考虑"、"对......有某种看法"，此时它可与think of 换用。但当think of 作为"想起，想到"讲时，of一般不能改为about。think over有"仔细考虑"之意，相当于think about... carefully, 但about是介词,后可直接接宾语。over是副词，所跟宾语是代词时，代词要放在think 和over之间。
1. I can’t think _________ his name at the moment
2. Universities may be forced to think again __________ the courses they provide due to the new employment situation.
3. Why don’t you think it __________ and give me a call in a couple of days?
D) gain, win, earn
gain侧重指经过努力或有意识行动而取得某种成就或获得某种利益或好处。
win主要指通过努力、斗争、比赛等而获得胜利。
earn侧重指依靠自己的劳动或因付出代价与有功而获得，其宾语多为金钱、荣誉和理应得到的东西。
1. He has __________ a lot of money by working in the evenings.
2. He ___________ experience while working for the newspaper.
3. Who do you think will __________ the next election?
E) mean to do, mean doing
mean to do sth.“打算干…事”; mean doing sth.“意味着…”.
1. I meant __________ (give) you this book today, but I forgot.
2. Missing this train means _________ (wait) for another hour.
F) lonely, alone
这两个词都有“单独”，“独自”，“孤单”的意思。但alone只是陈述一个客观事实，通常不带感情色彩，强调独自一人，没有别的同伴，无褒贬之意，只能用作表语或后置定语，另外alone还可作副词。而lonely只能作形容词，表示一种感觉，带有感情色彩。指人时，强调内心的“孤独”，“寂寞”，“冷清”，希望有人陪伴，可作表语和定语。另外lonely还可表示“偏僻的”，“人迹罕至的”，而alone没有这一意思。
1. On the island Chuch had to learn to survive all __________.
2. The old man lives __________, but he never feels __________.
3. The old man lives a __________ life in that __________ mountain village.
G) cry, weep 这两个词均指因痛苦、悲哀或伤感等出声地流泪。 weep 书面用词，指小声哭或无声地哭，侧重流泪。而cry则较为强烈,常指大声的哭.
1. We all __________ in silence for the dead.
2. We heard her __________ far outside the house.
【当堂检测】IV基础测试
A. 单词拼写
请根据汉语提示或首字母写出单词的正确形式
1. The proud man said he would rather s_______（挨饿） than beg for food.
2. What he said couldn’t s________（满足） his parents, so they kept asking him.
3. A boy l_______（带领） us to the old man’s house, so we had no trouble in finding him.
4. He is a famous p________ （诗人）and his poems are popular with the youth.
5. It is not his custom to d________（淹没） his sadness in wine.
6. She entered the lab without _____________ (许可).
7. There is now no ______________ (可能) that she comes to apologise to us.
8. Do you know when India gained its _______________ (独立) from Britain.
9. He is the most _________(英俊) man I’ve ever met.
10. He got a lot of __________ (奖状) for his excellent study.
1 Don’t look forward to the day you stop suffering, because when it comes you know you’ll be dead. 生于忧患,死于安乐.
2 A dog starving at his master’s gate predicts the ruin of the state. 树死先从叶子黄.
3 I would rather have a mind opened by wonder than one closed by custom. 宁愿创新,不愿陈腐.
4 Gather you rosebuds while you may, old time is still a flying, and this same flower that smiles today,tomorrow will be dying. 未雨绸缪.
5 However big the fool, there is always a bigger fool to admire him. 傻瓜总会发现有比他更傻的人在赞美他.6 Belief, then, is the great guide of human life. 信仰是生活的向导.
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must的用法二:定语从句as的用法课件
(一)、 as作连词的用法:
as作连词，常用来连接主句和状语从句。
1.引导时间状语从句，作“当...的时候”解，有“随着...”之意，与while意义相近，强调两个动作同时发生;或某事一发生，另一事立即发生。eg：
He shouted aloud as her ran along.他一边往前跑，一边高声地呼喊。
I was startled as he opened the door.他一开门，我吓了一跳。
as作连词，相当于when。eg;
As a little boy (When he was a little boy)he began to learn to play piano.他小时候就开始学弹钢琴。
2.引导原因状语从句，作“因为，由于”解，与because的用法相近。eg;
I must stop writing now，as I have rather a lot of work to do.我必须停笔了，因为我还有许多工作要做。
3.引导方式状语从句或比较状语从句，作“正如，(如)像”解。例eg：
As in your country，we grow wheat in the north and rice in the south.正如(像)你们国家一样，我们在北方种小麦，在南方种大米。(方式状语从句)
When at Rome，do as Romans do.入乡随俗。(方式状语从句)
4.引导让步状语从句，作“虽然，尽管”解。这时从句常用倒装语序，即把从句中的表语、状语或动词原形放在as之前。eg;
Strange as it may seem，it is true.尽管这事看上去很奇怪，但却是真的。
Try as he might，Tom could not get out of the difficulties.不管怎样努力，汤姆还是摆脱不了困境。
1. 作“在-------期间，当----的时候”引导时间状语从句.注意与 when、 while的用法区别。
时间状语从句：as的用法
1.某事一发生，另一事立即发生
As the sun rose the frog dispersed 太阳一出来雾就消散。
They strolled into the garden as the music ceased. 音乐声一停，他们就走进花园。
2.在某事发生的过程中另一事发生
I heard the murmur of their voices as I crossed the hall.
我走过大厅的时候听到他们在嘀咕什么。(两个动作都是一般时态)
Just as he was speaking there was a loud explosion.
正当他在说话的时候，一声巨响。(从句用进行时态)
3. 两个动作同时发生
He smiled as he passed. 他路过的时候笑了一下。
As she sang, the tears ran down her cheeks. 她一边唱歌，眼泪一边从脸颊淌下。
Helen heard the story as she washed. 海伦一边洗衣服一边听故事。
He saw that she was smiling as she read. 他看到她一边看着书一边笑。
(两个都是延续性动作)
We get wiser as we get older. 我们随着年龄的增长而变得聪明起来。
(随着时间的变化而变化)
①下列情形时,只用as, 而不用when或while。
1) 用于表示同一个人的两种动作交替进行,指一边----一边. 如:
The girl sings as she goes to school.
He looked behind occasionally as he went forward in the forest.
2)表示两个同步发生的动作或行为,意思是随着-----的发展.如:
As time went on / by, she became more and more beautiful .
As children get older, they become more and more interested in everything.
3)表示两个短暂行为或事情几乎同时发生.如:
I watched her as she read the book.
I thought of it just as you opened your mouth.
Just as the flying worm hit her face, she gave a loud cry.
4)接在名词后面表示某一个年龄段时.如:
As a young man, he was active in sports.
②when作"当……的时候"解,可以指较短的(一点)时间,也可指一段时间。如:
When I was at college, I could speak several foreign languages. When the clock struck twelve, I had slept for 2hours.
③while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时发生。如:Work while you work. Play while you play.
2. As =Since 作"既然"、"由于"解,引导原因状语从句,常用来表示已为人们所知或显而易见的原因或理由。如:
As he’s been ill for ages, I will help him.
As / Since you"re not feeling well, you may stay at home.
As he wasn"t ready , we went without him.
3.As =in the way that作"像"、"按照……的方式"解,引导方式状语从句。如:
Do as I told you.
Remember, you must do everything as I do.
4. 用于as--- as或not / so/ as ---- as中, 前一个as是副词, 后一个as是连词, 引导比较状语从句。如:
They helped the old as much as possible.
I don"t speak English so/ as well as she does.
5. 表示虽然, 尽管 等, 引导让步状语从句, 常用倒装语序, 模式为:
adj. /adv. / n.+as +主语+谓语+主句。如:
Young as he is, he knows much.
Tired as they were, they walked on.
6. 表示也------一样。
S he is a doctor, as was her husband.
(二)、 as作关系代词,引导定语从句,表示正如,这一点.如:
1. 引导限制性定语从句，用在“such...as”, “the same...as”，“as...as”等结构中，常译作“像...一样的人(或物)”，“凡是...的人(或物)”。
eg： He wished to be such a man as Lei Feng was.他曾希望做一个像雷锋那样的人。
My hometown is no longer the same as it was.我的家乡再也不像过去一样了。
2.引导非限制性定语从句，用来指代它前面的整个句子(即先行句)，意思是“这一点”。这个分句可以位于句首、句中或句末。
eg：As is well known，oceans cover more than 70% of the earth.
我们知道，海洋占地球面积的百分之七十以上。
He is very careful, as we all know.
As is well-known, belongs to China.
另外,当先行词被the same, such等词修饰时,常用as来引导定语从句。如:
Such a clever girl as she can learn anything quickly.
I was reading the same book as he bought yesterday.
(三)、as作介词的用法.
1. 作“如，像”解,表示好像。如:He dressed as a policeman.
They got united as one man.他们团结得像一个人一样。
2. 作“充当，作为”解,表示作为, 当作。如：I found a job as a guide.
As a writer，he was famous.作为作家，他是很有名的。
3.当某人是某身份时。如：As a child , she was sent to abroad.
4.as引导的介词短语大多用作状语,as译为"作为";少数情况可引起宾语补足语。如:
As a Party member, I"ll take the lead in everything. (状语)
She works as a model. (状语)
She has me as one of her best friends.(引起宾语补足语)
(四)、作副词的用法
as作副词，表示程度，意为“同样地”。在“as...as...”，“not as...as...”结构中的第一个as是副词，作“和/与...(不)一样”解。
e.g. Jack is as tall as his father.杰克和他的父亲一样高。
He doesn"t speak English as/so fluently as you.他的英语说得不如你流利
1 表示与------等同。
如：This dress is twice as expensive as that one.
2 像，如等。
如：As before, he remained unmoved.
五)含as的固定词组的用法
1. as soon as作“一…就”解，引导时间状语从句。
eg：As soon as I get to Beijing，I"ll write to you.我一到北京，就给你写信。
2.as/so long as作“只要”解，
e.g. As/So long as you study hard，you"ll make progress.只要你努力，你就会取得进步。
2. as if/though常用来引导方式状语从句，作“好像，仿佛”解。如果从句中讲的是非真实情况，则用虚拟语气。
e.g. She loves the child as if/though he were her own.
她爱这个孩子如同爱自己的孩子。
3. As if/though也可用来引导表语从句，常用在“It appears/looks/seems...+as if/though”句型结构中。
e.g. It appears as if/though it is going to clear up.看起来天要晴了。
It seems as if/though he knew nothing about it.他好像对此事一无所知。4.as to作“关于，至于”解。
e.g. There is no doubt as to his honesty.他的诚实是无可置疑的。
5.as much/many as作“多达...”，“达到...之多”解。
e.g：He can earn as much as 5000 dollars a month.他每月能挣5000美元。
6.so/as far as I know作“就我所知”解，在句中作插入语。
eg： As/So far as I know，he will come here next Monday.
据我所知，他将于下星期一到这里来。
7.as a result，as a result of表示“由于...的结果”。
e.g. She died as a direct result of the accident.她的死是那次事故的直接结果。
8，as well为“也，还”之意。
e.g. Come early，and bring your brother as well.早点来，把你的弟弟也带来。
9.so as to，so...as to若跟动词原形，表示目的或结果。
eg：He studied hard so as to pass the exam.他努力学习以便通过考试。(表示目的)
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