情態(tài)動詞(modal

1、Revision of Module 3Welcome to my class!FranklinWenzhou No.14 High School1 1） 情態(tài)動詞情態(tài)動詞 除除oughtought 和和havehave 外，后面外，后面只能接不帶只能接不帶toto 的不定式。的不定式。 2 2） 情態(tài)動詞沒有人稱，數(shù)的變化，即情情態(tài)動詞沒有人稱，數(shù)的變化，即情態(tài)動詞第三人稱單數(shù)不加態(tài)動詞第三人稱單數(shù)不加-s/ed/ing-s/ed/ing。 3 3） 情態(tài)動詞沒有非謂語形式，即沒有不情態(tài)動詞沒有非謂語形式，即沒有不定式，分詞，動名詞等形式。定式，分詞，動名詞等形式。 情態(tài)動詞的語法特征情態(tài)動

2、詞的語法特征情態(tài)動詞主要有：情態(tài)動詞主要有：1）can/ could：否定或疑問的推測：不可能：否定或疑問的推測：不可能/可可能嗎能嗎 2)may/might：可能性的推測：可能：可能性的推測：可能3)must ：肯定性的推測：想必：肯定性的推測：想必 4)should/ought ：應(yīng)該：應(yīng)該5)need(需要需要) /dare(敢敢)主要用在否定和疑問句主要用在否定和疑問句中中6）shall/will/would在一定場合下也可以用作在一定場合下也可以用作情態(tài)動詞情態(tài)動詞 1.can表示能力表示能力 I can speak English while he cant . 2.表示允許表示允

3、許 Can I sit here? 3.表示可能性表示可能性 This cant be true. What can it mean? They cant have been to Africa.may1）表示允許，征求別人意見）表示允許，征求別人意見-May I come in?-Yes,please.2)表示判斷和猜測表示判斷和猜測He may come,but I am not sure.This may be true or may not be true.might語氣婉轉(zhuǎn)，或不是很肯定的猜測語氣婉轉(zhuǎn)，或不是很肯定的猜測Dont throw the empty bottle out

4、of the window.You might hurt someone.1）must表示表示“必須必須”You must finish your homework at once.You mustnt play with fire.You mustnt play football on the road.2)表示猜測，語氣很肯定表示猜測，語氣很肯定She must be hungry.He looked worried.He must have lost his way.Its so wet on the ground that it must have rained heavily las

5、t night,_?didnt itCan, could & be able to 的區(qū)別的區(qū)別Well be able to finish the work soon.1.can只用于現(xiàn)在式和過去式只用于現(xiàn)在式和過去式(could)。be able to可可以用于各種時(shí)態(tài)。以用于各種時(shí)態(tài)。 2.Can的主語是人或物的主語是人或物,be able to的主語是人的主語是人 She can/be able to sing the song in English.3.表示特定的某一過去能力或表示成功地做了某事時(shí)，表示特定的某一過去能力或表示成功地做了某事時(shí)，只能用只能用was/were a

6、ble to， 不能用不能用could。 Although the soldier was badly wounded, he was able to tell what had happened.I havent been able to see the film.The computer can make you feel comfortable.She ran fast but she couldnt/ wasnt able to catch the bus. 表示對表示對1、過去某種情況進(jìn)行推測、過去某種情況進(jìn)行推測2、對已發(fā)生的動作或存在的狀態(tài)進(jìn)行推測、對已發(fā)生的動作或存在的狀態(tài)進(jìn)行

7、推測 Linda didnt catch the train. She could have caught it. Dont worry.1. Peter _ come with us tonight, but he isnt very sure. A. must B. can C. may D. willC2. - Could I call you by your first name? - Yes, you_. A. will B. could C. can D. mightC3. Sorry, I m late. I _ have turned off the alarm clock a

8、nd gone back to sleep again this morning. A. must B. should C. can D. willAwill & would 常表示promise意愿，意志, agreement同意, past habit, custom過去的習(xí)慣, request要求判斷下列句子中的can, could是屬于哪種情況。We will come here at ten.agreement, promiseHe would sleep very late .past habit, customWould you like to have dinner w

9、ith me together?requestwill 和和 wouldIf you will help me with my English, I will be very happy. I promised that I would do my best.1.will和和would表示意愿、意志，可用于各種人稱表示意愿、意志，可用于各種人稱Will you tell him the news as soon as he comes back?Would you please speak again more slowly？2.在疑問句中在疑問句中,will用于第二人稱用于第二人稱,表示請求

10、或征求表示請求或征求意見意見,would則語氣更委婉則語氣更委婉-Would you change this basket for another ? It _ hold water. - OK. Im really sorry.A. wont B. cant C. didnt D. doesntAshould:prediction預(yù)測(應(yīng)該、很可能), advice建議，勸告，Shall & shouldNothing shall stop me doing it.You shall fail if you dont work harder.決心、意愿、意志警告，命令，威脅shall

11、 ：agreement同意, promise允諾 或或（常用于第二第三人稱（常用于第二第三人稱 ） 在疑問句中在疑問句中, 用來表示請求或征求意見。用來表示請求或征求意見。（常用于一、三人稱）（常用于一、三人稱）Shall I open the window for you？shall：（征求意見）You should/ought to have told her the truth earlier. She shouldnt have left without saying a word.should/ought to have done表示責(zé)備或表示責(zé)備或批評批評,意為意為“本應(yīng)該本應(yīng)該但

12、但”;ought to的語氣更強(qiáng)烈的語氣更強(qiáng)烈,用于否定則表示用于否定則表示“本不該本不該但但”情態(tài)動詞的否定式 cant:不能；不可能不能；不可能 may not:可能不可能不 mustnt:不準(zhǔn)；不許；禁止不準(zhǔn)；不許；禁止 neednt:不必不必 darent:不敢不敢 wont:不愿意，就是不不愿意，就是不 shant:決不決不 shouldnt:不該不該1.-Excuse me, but I want to use your computer to type a report.-You _ have my computer if you dont take care of it.A.

13、shant B. might not C. neednt D. shouldntA2. -When can I come for the photos ? I need them tomorrow afternoon. -They _be ready by 12 : 00 . A. can B. should C. might D. needB3. With so much work on hand, you _to see the game last night. A. mustnt go B. could have goneC. shouldnt go D. shouldnt have g

14、oneD1.-Is John coming by train? -He should, but he _ not. He likes driving his car. (2002高考題）高考題） A. must B. can C. need D. may2.It has been announced that candidates(候選人候選人) _ remain in their seats until all the papers have been collected. (2002上海上海高考題）高考題） A. can B.will C. may D. shall3.-I heard t

15、hey went skiing in the mountains last winter. (2002北京北京高考題）高考題） -It _ true because there was little snow there. A. may not be B. wont be C. couldnt be D. mustnt beD D C 4. I thought you _like something to read, so I have brought you some books. A. may B. might C. would D. must B 5. A computer _ thin

16、k for itself; it must be told what to do. A. cant B. couldnt C. may not D. might notA 6. They will _ run this machine on theirown in three months.A. can B. could C. may D. be able to7. That big cinema _ seat 2,000 people.A. can B. should C. ought to D. is able toD A 8 Could I borrow your dictionary?

17、 Yes, of course you _. A. might B. will C. can D. should9. Might I watch TV after supper? Yes, you _. A. may B. must C. might D. canC A 10. You _ return the book now. You can keep it till next week if you like. A. cant B. mustnt C. neednt D. may not11. Johnny, you _ play with the knife, you _ hurt y

18、ourself. A. wont ; cant B. mustnt ; may C. shouldnt ; must D. cant ; shouldntC B 在復(fù)合句中，主語從句、賓語從句、表語從句和在復(fù)合句中，主語從句、賓語從句、表語從句和同位語從句在用法上相當(dāng)于同位語從句在用法上相當(dāng)于名詞名詞，故統(tǒng)稱為名詞，故統(tǒng)稱為名詞性從句。性從句。1.When we will start is not clear.2.Mrs Black wont believe that her son has become a thief.3. My idea is that we should do it r

19、ight now.4.I had no idea that you were her friend.主語從句主語從句賓語從句賓語從句表語從句表語從句同位語從句同位語從句名詞性從句由連接詞、連接代詞和連接副詞引導(dǎo)，名詞性從句由連接詞、連接代詞和連接副詞引導(dǎo)，為為陳述句語序陳述句語序。連詞。連詞+主語主語+謂語謂語 1. I think that hell be all right in a few days.2. I wonder if you can do me a favor.3. The questions is whether we should ask them for help.連接

20、詞連接詞that（陳述句）（陳述句）/whether（一般疑問句）（一般疑問句）在從句中在從句中不做成分不做成分,。連接代詞連接代詞在從句中在從句中作主語、表語、定語或賓語作主語、表語、定語或賓語。連接副詞連接副詞在從句中作在從句中作狀語狀語.when(time)where(place)/why(reason/purpose)/how(manner)You cant imagine _ when they received these nice Christmas presents. A. how excited they were B. how they were excited C. ho

21、w were they excited D. they were how excitedA連詞判斷方式 1、主句信息詞：、主句信息詞： 肯定意義肯定意義陳述句陳述句that 否定或疑問意義否定或疑問意義疑問句疑問句 疑問句結(jié)構(gòu)完整疑問句結(jié)構(gòu)完整一般疑問句一般疑問句whether 疑問句結(jié)構(gòu)不完整疑問句結(jié)構(gòu)不完整特殊疑問句特殊疑問句疑疑問詞問詞 疑問詞：缺什么補(bǔ)什么疑問詞：缺什么補(bǔ)什么作業(yè)作業(yè):填上適當(dāng)?shù)倪B接詞填上適當(dāng)?shù)倪B接詞1.I dont know_ he will be back. 2.We heard the news _ our team had won. 3.There arose the question _ we could palnt the trees well. 4. Im sure _ the plan (should) be delayed will be discussed tomorrow. 5. The reason for his absence was _ Mary was badly ill.6.He left word to my secretary _