1、關于情態動詞講解第一張，PPT共四十五頁，創作于2022年6月1.表能力.could 是can的過去式, 表示過去 2. 表示“請求” “許可”(表請求時，口語中常用could 代替 can 使語氣更委婉，回答時用can)can 與could1) Some of us can use the computer now, but we couldnt last year.2) The newly-built theatre can seat 1500 people.1) -Can/Could I use your dictionary? -Yes, you can.2) You can have

2、 my seat. Im going now. 3) You can not talk in class. flash第二張，PPT共四十五頁，創作于2022年6月3. 表示推測，意為“可能”“或許”，常用于疑問句或否定句 (could 可以用于肯定句中)1) It cant be my father. He is now in England.2) -Can it rain tomorrow? -No, it cant. 3) Where can I put my key ?4) You could be right，but I dont think you are. 對過去的可能推測怎么說

3、？(不可能)5) He cant/couldnt have gone to Beijing, for I saw him just now.第三張，PPT共四十五頁，創作于2022年6月can和be able to的用法區別She _sing the song in English.This machine _ make you feel comfortable.1. can的主語是人或物,be able to的主語是人 We_ finish the work soon.I _ see the film so far. 2. can只用于現在式和過去式(could)。be able to 可以

4、用 于各種時態。She ran fast so that she _ catch the bus.3. 表示成功地做了某事時，只能was/wereableto，不能用could。 He_ fleeEuropebeforethewarbrokeout. can/is able to can ll be able to havent been able tocould/was able towasableto第四張，PPT共四十五頁，創作于2022年6月may 與might表示“許可”或“請求”，有“可以”的意思，比can正式。 口語中常用 might 代 may ,表示委婉語氣。 否定回答時常用

5、“must not”表“禁止，阻止”。1) - May/Might I watch TV after supper? - Yes, you may. /Yes, please. (No, you mustnt.)2. 表示可能性。 意為“或許，可能” 常用于肯定句或否定句中。might 比 may 可能性小。1) They may/might be in the library now.2) She may not know the truth. (或許不，可能不)3) She may/might have gone home. 第五張，PPT共四十五頁，創作于2022年6月3. may/ m

6、ight well + 動詞原形 “完全可以，很有可能” You may/might as well go and have a look.5. May you +動詞原形 表“希望、祝愿” May you succeed.4. may/ might as well + 動詞原形 “還是的好” You may well be proud of your son. He is excellent.May you have a good journey!May all your dreams come true！第六張，PPT共四十五頁，創作于2022年6月1. A computer _ thin

7、k for itself; it must be told what to do. A. cant B. couldnt C. may not D. might not2. The fire spread through the hotel very quickly but everyone _ get out. A. had to B. would C. could D. was able toA D 第七張，PPT共四十五頁，創作于2022年6月3. They will _ run this machine on theirown in three months.A. can B. cou

8、ld C. may D. be able to4. That big cinema _ seat 2,000 people.A. can B. should C. ought to D. is able toD A 第八張，PPT共四十五頁，創作于2022年6月5. Could I borrow your dictionary? Yes, of course you _. A. might B. will C. can D. should6. Might I watch TV after supper? Yes, you _. A. may B. must C. might D. couldC

9、 A 第九張，PPT共四十五頁，創作于2022年6月7.Peter _ come with us tonight, but he isnt very sure yet. A. must B. may C. can D. will8. Some people who dont like to talk much are not necessarily shy；they just be quiet people.A. must B. mayC. should D. would 9.Liza _ well not want to go on the trip - she hates travelin

10、g.（2008全國II）A. will B. can C. must D. may BBD第十張，PPT共四十五頁，創作于2022年6月may, might, can, could1. They (can not/may not) _ still be out, for the light is on in the house.2. You (cant/arent able to) _ smoke on the bus.3. With luck, tomorrow (can/could) _be a cooler day.4. You (can/might) _ be right, but I

11、m going back to check it.表示許可cantcould表示猜測can not表示猜測(不可能)might表示猜測第十一張，PPT共四十五頁，創作于2022年6月will 與would 2. 疑問句中用于第二人稱，表“請求、建議”等 would 比用will 委婉，客氣些。1) Will/Would you (please) lend me your book?2) Would you like a cup of tea?3. will 與would用于表示主語的意志或意愿。 will 指現在，而 would 指 過去。1) Ill never do that again.

12、2) They said that they would help us.1. 作助動詞表單純的將來, 可用于各種人稱。1) I will tell you something important tomorrow.2) He said that he would tell you something important the next day.第十二張，PPT共四十五頁，創作于2022年6月5. 表示習慣性動作。 譯作 “總是、慣于” will 指現在，would 指過去。1) This old man is strange. He will sit for hours without s

13、aying anything.2) She would sit by window, deep in thought.4. 表示推測，譯作“會，將會” Give him the apple. He will like it.6. 與not搭配，表拒絕，無可奈何之意1) This door wont open.2)We pushed the car but it wouldnt move,not a bit. 第十三張，PPT共四十五頁，創作于2022年6月1) Perhaps I shall pay a visit to England this winter. shall 1. 作助動詞表單

14、純的將來, 用于第一人稱。2. 在疑問句中，用于提出建議、征求意見。 常用于一、三人稱.1) Shall we begin our discussion?2) Shall he use your pen?flash第十四張，PPT共四十五頁，創作于2022年6月3. 用于二、三人稱，表說話人的允諾，決心，警告，命令,或威脅。1) You shall fail if you dont work harder. 2) You shall get what you deserve. 3) He shall be punished if he breaks the rule.4) Nothing sh

15、all stop us.（警告）(允諾)(威脅)(決心)4. 用在條約、規章、法令等文件中表示義務或規定。1) Nobody shall go out without the teachers permission. 2) Candidates shall remain in their seats until all the papers have been collected. 第十五張，PPT共四十五頁，創作于2022年6月should用于表義務、勸告、建議。 意為”應該、應當”。 （也可用ought to， 但ought to 語氣重）1) You should/ought to he

16、lp your mother with the housework. 2. 表示可能性、推測、推論或期待, 意為 “可能、按理說、該”Its 8 oclock now, he should be here at any moment.2) Dinner should be ready by now. 2) One ought not (oughtnt) to cross the street against the red light.3) Ought we to do it at once? Yes, you ought to.第十六張，PPT共四十五頁，創作于2022年6月3. 表示意外或

17、驚訝。意為“竟然會”1) Its strange that he should be absent. 2) It seemed unbelievable that he should have done such a wicked thing.4. 表示語氣較強的假設。意為“萬一” If the car should break down on the way, you would have to walk back. 第十七張，PPT共四十五頁，創作于2022年6月1. This printer is of good quality. If it _ break down within th

18、e first year, we would repair it at our expense.A. would B. should C. could D. might 2. I dont care what people think.Well, you _A. could B. would C. should D. might3. What do you mean, there are only ten tickets? There_ be twelve.A. should B. would C. will D. shallBCA第十八張，PPT共四十五頁，創作于2022年6月4. -Wha

19、t does the sign over there read? -“No person _smoke or carry a lighted cigarette, cigar or pipe in this area.” 2007 四川卷Awill Bmay Cshall D. must 5. Whats the name? Khulaifi. _ I spell that for you?A. Shall B. WouldC. Can D. Might CA第十九張，PPT共四十五頁，創作于2022年6月must1. 表示義務或強烈的勸告，意為“必須”“應該”， 其否定式表示“不應該”“不許

20、可” “不準”“禁止”。 (回答 must 所在的一般疑問句時，否定回答用 “neednt” “dont have to”.)1) You must finish your homework first.2) Children mustnt speak like that to their parents.3) -Must we finish the work tomorrow? -No, you neednt/ dont have to, but you must finish it in three days.flash第二十張，PPT共四十五頁，創作于2022年6月1)Betty mus

21、t be in the next room. 2)Hemustbejoking.3)Thereisnobodyhere.Theymusthavegonehome. 2. must表推測，用于肯定句，意為“一定”“準是”。1)Why must it rain on Sunday?3. must可表示“偏要，硬要”，指做令人不快的事情或對某事的不滿或責備等情緒。2)Must you make so much noise? 第二十一張，PPT共四十五頁，創作于2022年6月1).I dont like this TV set. We _buy a new one. 2).There was no m

22、ore bus. They _walk home.表示“必須”這個意思時，must和haveto稍有區別。must著重說明主觀看法，haveto強調客觀需要。另外，haveto能用于更多時態。 must had tomust和have to第二十二張，PPT共四十五頁，創作于2022年6月 1. In crowded places like airports and railway stations, you _ take care of your luggage.A. Can B. must C. may D. willB 2. - Karl, look, its 10 oclock. _

23、you play the piano so late?A. Can B. Must C. May D. WillB第二十三張，PPT共四十五頁，創作于2022年6月1. We _ smoke here, because the worker is carrying some petrol.2. It is dangerous. You _ leave the room immediately.3. He _ go hiking with friends at weekends when young.4. -Write to me when you get home. -I _.will, wo

24、uld, shall, should, must:mustntshould/mustwouldwill表示禁止,不許可表示建議,命令表示過去習慣表示意愿第二十四張，PPT共四十五頁，創作于2022年6月5. -Need I hand in my exercise book at once? -Yes, you_.6. You have been working all day. You _ be very tired.7. It is a long time since we met last time. You _ come and see us more often.8. Why dont

25、 you try on this dress? It _ look nice on you.mustmustshouldwill表示必須表示肯定猜測表示建議表示將會,一定會第二十五張，PPT共四十五頁，創作于2022年6月Not sure Very sure He _ be in the classroom. He _ be in the classroom. He _ be in the classroom. He _ be in the classroom. He _ be in the classroom. 表推測的情態動詞cancouldmaymightshouldmustmightm

26、aycouldshouldmust第二十六張，PPT共四十五頁，創作于2022年6月表示推測情態動詞的重要用法.肯定的推測可能的推測否定的推測疑問的推測must 現在 正在進行 過去情態動詞may, might cant, couldntcan, could + V + be doing. + have done + V + be doing. + have done + V + be doing. + have done + V + be doing. + have done （可以用not表示“可能不”）第二十七張，PPT共四十五頁，創作于2022年6月1)- Who _ the man

27、over there be? - It _ be our headmaster. He wears glasses.2)- It _ be him. He has gone to Beijing. - Then it _ be Mr Li. He looks like the headmaster.canmaycant/couldntmust第二十八張，PPT共四十五頁，創作于2022年6月 注意：must 表示推測時， 只能用于肯定句。must domust have donemust be doing對一般時的肯定推測對現在的動作進行肯定推測對過去發生的事情作出的肯定判斷第二十九張，PPT

28、共四十五頁，創作于2022年6月他們買了一輛新車。 他們一定很有錢They have bought a new car. 他現在一定在看小說He _ novels now路是濕的。昨天晚上一定下雨了。The road is wet. They _ a lot of moneymust havemust be readingmust have rained, dont they?, isnt he?It _ last night, didnt it?他一定已經知道了。He _ it nowmust have known, hasnt he?第三十張，PPT共四十五頁，創作于2022年6月 1.

29、I dont know where she is, she _ be in Wuhan. 2. At this moment, our teacher _ our exam papers. 這時，我們老師想必在批改試卷。 3. He knew it. He _ the film last night. (see) 4. Your mother _ for you.你媽媽一定一直在找你。may/mightmust be markingmust have seenmust have been looking第三十一張，PPT共四十五頁，創作于2022年6月5. Philip _ seriously

30、 in the car accident. 菲利普可能在車禍中受了重傷.6. -Linda has gone to work, but her bicycle is still here.-She _ (go) by bus.7. Mike _ his car, for he came to work by bus this morning.邁克一定還沒有找回他的車，因為早上他是坐 公共汽車來上班的。may (might) have been hurtmay (might) have gonecant have found第三十二張，PPT共四十五頁，創作于2022年6月 情態動詞 + hav

31、e done這是歷年高考熱點之一，可表示“推測、責備、懷疑”等多種意義。第三十三張，PPT共四十五頁，創作于2022年6月表示對過去所發生事情的遺憾或責備1. should/ought to have done “過去本該做”I really regretted wasting the hours when I should have studied hard, but it was too late.2. shouldnt/oughtnt to have done “本不該做” Im very sorry for the words I shouldnt have said to you a

32、t that moment.第三十四張，PPT共四十五頁，創作于2022年6月表示對過去所發生事情的遺憾或責備3. could/might have done “本能夠，本可以”I could have got higher marks in the exam.I was too careless.4. might have done “本可能”Tom, you shouldnt have played with the knife. You might have killed yourself.第三十五張，PPT共四十五頁，創作于2022年6月You _ here to tell me ab

33、out it. I have known it.-Did you come to help him yesterday morning?-No. I was busy then. And I _.5. neednt have done “原本不必做的事卻做了”Your home is not far from your school, so you neednt have left in such a hurry.6. didnt need to do/ didnt have to do “ 沒有必要做，實際也沒做” I didnt need to clean the windows. My

34、sister did it.neednt have comedidnt need to第三十六張，PPT共四十五頁，創作于2022年6月1.He _ have completed his work; otherwise, he wouldnt be enjoying himself by the seaside. A. shouldB. mustC. wouldntD. cant 2. He paid for a seat, when he _ have entered free.A. couldB. wouldC. mustD. need BA第三十七張，PPT共四十五頁，創作于2022年6

35、月3. As you worked late yesterday, you _ have come this morning.A. maynt B. cant C. mustnt D. neednt D4.Im sorry. I _ at you the other day. Forget it. I was a bit out of control myself.A. shouldnt shout B. shouldnt have shoutedC. mustnt shoutD. mustnt have shoutedB第三十八張，PPT共四十五頁，創作于2022年6月5. Michael

36、_ be a policeman, for hes much too short. A. neednt B. cant C. should D. mayB6. - I stayed at a hotel while in New York. - Oh, did you? You _ with Barbara. A. could have stayed B. could stay C. would stay D. must have stayedA第三十九張，PPT共四十五頁，創作于2022年6月7. My sister met him at the Grand Theater yesterday afternoon, so he _ your lecture. A. couldnt have attended B. neednt have attended C. mustnt have attended D. shouldnt have attendedA第四十張，PPT共四十五頁，創作于2022年6月8. What a pity! Considering his ability and experience, he _ better.A. need have done B. must