高中英语情态动词教学教案

1、戴氏教育数学思维导学案教学主管签字：情态动词知识梳理can/could1:表示能力，翻译为能，会，可以。两种时态can( could).can=be able to (can 只有过去式 could, be able lo 有多种时态)Translate:He can speak French.With our help, he was able to build the house.2:表示请求或许可，could比can更加客气，翻译为“可以.吗？此时可与may, might互换。Can I go now?Yes, you can./ No, you cant.Could I come to

2、 see you tomorrow? Yes, you can./ No, Im afraid not.3:表示推测或可能性，常用于否认句或疑问句（could偶尔也会在肯定句中出现）， 翻译为“可能此时could只表示可能性比can小，而不表示时态。Translate:Can he be at school?He cant be the thief.Today is Sunday. He can*t be at school.4： can表示客观上的可能性，意为“有时会”，多用于肯定句。Translate:Children can be noisy.It can be very hot in

3、our city in summer.5: could have done可以表示虚拟语气。could have done表示“本来可以做但没做”couldnt have done表示“过去不可能作某事”Translate:You are late again. You could have got up earlier.may/mightC. neednt have failed D. shouldnt have failedit be true that Albert passed the test in geography?A. May B. should C. Could D. wou

4、ldYou lead a horse to the water but you not make it drink.A. will; can B. may; can C. may; dare D. dare; canMust we finish the composition in class?No, you .A. neednt B. mustnt C. wont D. shouldntHer eyes were red. She.A. must cry B. must be cried C. must have been crying D. may cryMary his letter,

5、otherwise she would have replied before now.A. has receivedB. must receiveC. couldnt have received D. shouldnt have receivedtold Sally how to get here, but perhaps I for her.A. had to write it out B. must have written it outC. should have written it out D. ought to write it out用情态动词的适当形式填空。dont know

6、 where she is, she be in Wuhan.At this moment, our teacher our exam papers.这时，我们老师想必在批改试卷。The road is wet. It last night.(rain)Your mother for you. 你妈妈一定一直在找你。Philip seriously in the car accident.菲利普可能在车祸中受了重伤.一Linda has gone to work, but her bicycle is still here.一She(go) by bus.Mike his car, for h

7、e came to work by bus this morning.迈克一定还没有找回他的车，因为早上他是坐公共汽车来上班的。1:表示请求或允许，翻译为“可以”，在疑问句中might比may的语气更委婉。此 时相当于can/could.May I come in? Yes, you may/can. No, you cant.Translate:Might I have few words with your manager?2:表示推测的可能性，翻译为“或许，可能“，用于肯定句和否认句中，might的 可能性比may小。Translate:Tom may know how to get t

8、here.3:表示祝愿。Translate:May you succeed!May you be happy!4: might have done表示某事本来可以发生而实际上并未发生。Translate:They might have got everything ready for the seminar.must/have to1:表示必须，一定要。（must现在，将来的必须，主观看法，表示义务，命令或 要求。have io有多种时态，客观事实）Translate:We must tell the truth to our parents.You must finish the proje

9、ct by Friday.The little boy has to do lots of housework, for his parents have been suffering from illness.Children musl nol play with fire.注意:Must we turn in our plan this week?Yes,./No,/No.2:must表示肯定推测，“一定是，一定会对目前情况的推测用must do,对正在 进行的动作进行推测must be doing,对过去情况的推测用must have done。Translate:The light i

10、s on, so he must be at home.They are going to make a film here next month. They must be looking for actors.Looked at his new car. He must have earned a lot of money.3:must偏偏，一定要。通常用于陈述句和疑问句中。Translate:Must you waste so much time?总结：情态动词表示推测的用法：推测发生的可能性现在现在正在过去可能性小 肯定/否认可能性大肯定/否认表 示 推 测 时 语 气 依 次 减 弱

11、will/would1:表示征求对方（第二人称）意见或询问对方意愿.would比will更客气，委婉。Wont加强邀请的语气。Translate:Will you have some more wine?Would you mind my smoking here?Wont you have a coffee with us?2:表示意愿，决心，主动提出做某事。would用于一般过去时中。Translate:I will help you if you meet with trouble.I will never do that again.3:will表示规律性的“注定会Translate:

12、You will fail if you dont work hard.Men will die without air.4:wiH表示经常性，习惯性，倾向性动作，意为“经常，惯于，总是would用于 一般过去时中。Translate:Oil will float on water.Every evening, she would sit by the window, deep in thought.5:表估计和猜测。It wold be about ten oclock when she left home.6: will可用于祈使句的附加疑问句中。Come here early tomoi

13、Tow,you?Dont go now,you?7:回答请求，命令的句子，肯定回答用will,否认回答用wont。Please remember me to your parents.Thank you. 1.Never touch my computer while I am away.shall/ should/ ought toShall1:用于征求对方意见或请求指示，用于第一，三人称的疑问句中。Translate:Shall we begin our class?What shall we do now?shall用于第二，三人称的陈述句中，表示说话人给对方的允诺，命令，警告， 威胁等

14、0Translate: TOC o 1-5 h z You shall do as I say.()You shall have my answer tomorrow.()You shall be sorry for it one day, I tell you.()shall表示决心,意愿,相当于willTranslate:Nothing shall stop us from carrying out of plain.shall用于第三人称的陈述句中，在条约，规定，法令等文件中表示义务或规定， 意为“应，必须Translate:All payments shall be made in c

15、ash.The school rules stale that no child shall be allowed out of school during the day, unless accompanied by an adult.Should1: should作为shall的过去式，用于第一，三人称，多用于间接引语，以征求对方 意见。Translate:I asked the manager if I should have a few days off.2:表示义务，职费，意为“应当，应该Translate:Drivers should obey the speed limits.3

16、：表示推测（没有must强），意为“按道理说应该Translate:They should be there by now.4:表示说话人的感情。如惊奇，愤怒，失表等，“竟然”。It is strange that the girl should be so arrogant.5:should have done表示“过去本应该做而没有做“，shouldnt have done表示“过去本 不应该做而做了Translate:You should have invited me to the party. I had expected you to.Jim shouldnt have done

17、all the work with one day. There was still time.Ought toOughtio意为“应当，应该用于第一人称，表示有义务或有必要做某事，语气比 should弱。用于第二，三人称，表示建议或劝告，其否认形式为ought not to A. oughtnt lo,一般疑问句将ought置于主语前。Ought I to return all the books tomorrow?-Yes,./ No,.needkneed表示“需要，必要”，常用于否认句，疑问句和含条件状语从句的主从复合 句中。Translate:You neednt come if yo

18、u are busy.Need I come tomorrow?-Yes,./ No,.总结：2:neednt have done表示“过去不必做但实际上做了Translate:Wc had plenty of bread, so I neednt have bought a loaf. 注意：1: need也可以做实义动词，need to do sth表示“需要”，有人称和数的变化。He needs to finish his homework today.2:need作实义动词时，还可以接动名词的主动形式或不定式的被动形式表示被动含 义。The floor needs sweeping/

19、to be swept.3: didnt need to do sth表示“过去没有必要做，实际上也没做“ 比拟：You neednt have gone to school yesterday.You didnt need to go to school yesterday.darekdare意为“敢”，作情态动词时，没有人称和数的变化，但有过去式dared。Translate:She dare not go out alone.Dare she go out alone?She darent go out alone, dare she?2:dare用作实义动词，dare to do st

20、h,有人称和数的变化，在疑问句和否认句中可 以省掉to.She didnt dare to go out alone.had better1: had beiler常用来表示一种委婉，客气的建议或劝告，表示“最好”，没有人称和 数，时态的变化。否认形式为had better not.We had better get there before it gets dark.You had better not quarrel with your neighbors whatever happens.情态动词have done的用法:情态动词+have done用法Should/ ought to

21、have doneNeednt have doneMight have doneCould have doneMust have doneMay/might have doneCan/could have done情态动词的书写形式情态动词否认式简略形式情态动词的过去式cancouldmaymightmustshallshouldwillwouldneedHave toOught todareHad better做题技巧:canmayshallwillHave todare练习题I thought you like something to read, so I have brought yo

22、u some books.A.mayB.might C.could D.mustYou to the meeting this afternoon if you have something important to do.A. neednt to come B. dont need comeC. dont need coming D. neednt comeHe you more help, even though he was very busy.A. might have given B. might give C. may have given D. may give- I help

23、you with some shoes, madam?-Yes, I would like to try on those brown ones.A. Will B. Should C. May D. MustThe reason why they leave wasnt explained to us.A. had B. had to C. must D. mightsearched for my wallet and it wasnt there. I thought I it at home.A. left B. have left C. might have left D. could

24、 have leftI asleep because it took me a long time to realize that the telephone wasringing.A. could have fallen B. should have fallenC. must have fallen D. mustnt have fallenThe only thing that really matters to the children is how soon they return to their school.A. can B. must C. have to D. ought

25、towant to go to the chemists, but you go with me.A. need not B. must not C. need D. mustthought it over, but come to no conclusion.A. can B. could C. should D. wouldWhat we get seems better than what we have.A. can B. could C. cant D. couldnt 12-My goodness! Tvejust missed the train.-Thats too bad.

26、I am sure you it, if you had hurried.A. could have caught B. had caught C. would catch D. could catch13. Look! What you*ve done! You more careful.A. may beB. had to C. should have been D. would be14.I repeat the question?A. Shall B. Will C. Do you want that D. DoProfessor Li, many students want to see you.they wait here or outside!A. Do B. Will C. Shall D. AreYou read that book if you dont want to.A. havent B. cant C. mustnt D. needn