语法学案六

Unit 1 Festivals around the world语法学案黄红侠Learning aims:1.Get students to know the characters of modal verbs.2.Let students learn the use of can,could,may,might,will,would,shall,Should,must,can’t.Important points ：Get students to learn and master the use of can could,may, might, will, would shall ,Should ,mus t, can’t.Difficult points：Enable students to learn how to use some model verbs correctly.情态动词的语法特征1）情态动词不能单独做谓语，除ought 和have 外，后面只能接_________。

2）情态动词没有_______的变化，但有些情态动词，如can、will也有一般式和过去式的变化。

预习案翻译下列句子中划线词的含义并分析其用法（ability,advice,agreement,guess,past habit,necessary,permission,possibility,prediction,promise,request）1.Sometimes celebrations would be held after hunters had caught animals. ________2. …satisfy the ancestor, who might return either to help or to do harm._________3.For the Japanese festival Obon , people should go to clean graves and light incense in memory of their ancestors.________4.It is now a children’s festival, when they can dress up and go to their nerghbours’ homes and ask for sweets._______5.If they do not give any sweets, the children might play a trick on them. _________6. Festivals can also be held to honor famous people._________7.In European countries , people will usually decorate …and will get together.______8.Some people might win awards for their farm produce , like the biggest watermelon or the most handsome rooster.___________探究案常用情态动词的基本用法：1 can/could 1) Some of us can use the computer now, but we couldn’t last year.2) The new-built theatre can seat 1500 people从以上例子可知其用法( 1) 表示________________区别The man still was able to get to the village though there was so much troublebe able to 表示__________________3) Can/Could I use your dictionary?4) Could you lend me a hand?从例3），4) 可知其用法（2）表示___________________________5) Can she be in the computer center?6) I think what he said can not be true.7) Can it be true? It can’t be true.从例5），6) ,7）可知其用法（3）表示___________________________延伸 A Susan can’t have written a report like this.It’s a pity. Your class could have got the first prize.可知can’t / couldn’t have done 表示______________________________ could have done表示______________________________My sister can be really stubborn.This street can be rather crowded in rush hours.B can 也可表示_____________________________2 may /might1) --- May I watch TV after supper?---____________________(肯否定回答)---May I ask you a question?---________________.（肯定回答）用法1）表示_________”，有“可以”的意思，口语中常用might 代may ,表示委婉语气。

肯定回答用_____________________________________________否定回答用____________________________________________ 2）What he said may / might be true.may / might not be true.3) May what he said be true? (错误)Can what he said be true? （正确）用法2）表示___________________只用于__________句，不用于_________句用法3.) May you +动词原形表“希望、祝愿、祈求” “祝你……”3 will /would Eg: 1) Will you lend me your book? 2) Would you like a cup of tea?3)-- Will you go shopping with me？-- Yes, I ___ . A will B. shall C. can D. may用法1）表示_______________Eg: 1) I’ll never do that again.2) They said that they would help us.3) No matter what I said, he won’t listen to me.用法2）表示__________________Eg: 1)He will often read all night. 2) Fish will die without water.3) Every evening, she would sit by window, deep in thought.用法3.) 表示________________________4、shall Eg: 1)What shall we do now?2)Mr. Smith wants to see you, manager. Shall he wait outside or in the office?3) It is a nice day. Shall we go out for a picnic?用法1）在疑问句中，用于第一、第三人称，用来____________________________4) If you dare do that, you shall be punished.5) If you pass the college entrance examination, you shall get a computer.6) Nothing shall stop us from carrying out this plan.用法2）用在第二、第三人称陈述句中，表示__________________________________7)He shall have the right to own the house according to the law.8)---Can I pay the bill by check?---Sorry, sir. But it's the management rules of our hotel that payment shall be made in cash.用法3.) 应该,应当.用于____________等文件中，表示一种义务，多用于第三人称中5. should Eg: 1) You should keep your promise. 2) You should work hard用法1）表示_______________________________Eg: 3) It’s 7 o’clock, he should be at home.4) They should have arrived by now.用法2）表示______________________________5) She should have passed the exam6)I have a stomachache. I________________________(eat) so much just nowShould have done 表示________________________Shouldn’t have done表示________________________5. must Eg: 1) You must finish your homework first.2) Children mustn’t speak like that to their parentsEg:3) ---Must we finish the work tomorrow?---___________________, but you must finish it in three days.用法1）表示义务或强烈的劝告，意为___________回答must 所在的一般疑问句时，肯定回答用_______________________ 其否定回答用________________________________Eg: 4) Betty must be in the next room.Eg: 5) He must be watering the flowers in his garden.Eg:6) The street is wet this morning .It must have rained last night 用法2）表示_____________________________must have done 表示__________________Eg 7) :-- May I smoke here?-- If you ____, choose a seat in the smoking section.A. shouldB. couldC. mayD. mustEg 8) :John, look at the time. ____ you play the piano at such a late hour?A. MustB. CanC. MayD. Need用法3. 表示_____________________________6、情态动词+have done（陈述过去）must have done 表示__________________may / might have done 表示__________________can’t / couldn’t have done 表示__________________could have done 表示__________________should / ought to have done 表示__________________shouldn’t / oughtn’t to have done 表示__________________needn’t have done 表示__________________即学即用用以上用法填空1 John ________________(go) abroad, but I am still not sure about it.2 I didn't see her at the party. She _________________ (be)there.3 I _________________(help)you, but I had an extra task to finish.4 You ___________________(tell )him the truth.5 You _________________(come) so early.课后训练案Choose the correct answer1 ----____ I go out to play, mum?---No, you___. You should do your homework first.A. Might; w ouldn’tB. May; had better notC. Must; mustn’tD. Need; mustn’t2---Where is Emma? ---I can’t say for sure where she is, but she___ be out shopping.A. canB. shouldC. mustD. may3 The room is in a terrible mess; it ____ cleaned.A. can’t have beenB. couldn’t beC. may have beenD. would be4 This cake is very sweet. You____ a lot of sugar in it.A. should putB. could have putC. might putD. must have put5--- The room is so dirty. ____ we clean it? --- Of course.A Will B. Shall C. Would D. Do6 As he had heart attack, he was told that he ____ continue the work.A. needn‘tB. may notC. mustn‘tD. can't7.The fire spread through the hotel very quickly but everyone ___ get out.A. had toB. wouldC. couldD. was able to8. Peter ___ come with us tonight, but he isn’t very sure.A must B. can C. may D. will9.---Could I call you by your first name?-- Yes, you____.A. willB. couldC. mayD. might10. Sorry, I ’m late. I ___ have turned off the alarm clock and gone back to sleep again.A might B. should C. can D. will11.--Excuse me, but I want to use your computer to type a report.--You ____ have my computer if you don’t take care of it.A Shall not B. might not C. needn’t D. shouldn’t12. .---There were already five people in the car but they managed to take me as well.---It ____a comfortable journey.A. can't beB. mustn't have beenC. shouldn't beD. couldn't have been13. With so much work on hand, you __ to see the game last night.A. mustn’t goB. could have goneC. shouldn’t goD. shouldn’t have gone14.Johnny, you ___ play with the knife, you ____ hurt yourself.A. won't ; can'tB. mustn't ; mayC. shouldn't ; mustD. can't ; wouldn't15 It is usually warm in my hometown in March, but it _____ be rather cold sometimes.A. mustB. canC. shouldD. would16. I missed the bus, so I __ go home on foot.A. mustB. mayC. canD. had to17. You ______ be hungry already — you had lunch only two hours ago!A. wouldn’tB. can’tC. mustn’tD. needn’t18. According to the air traffic rules, you ___ switch off your mobile phone before boarding.A. mayB. canC. wouldD. should19. She ______ have left school, for her bike is still here.A. can’tB. wouldn’tC. shouldn’tD. mustn’t20 Johnny, you___ play with the knife , you ____hurt yourself.A. won’t; can’tB. mustn’t; mayC. shouldn’t; mustD. can’t; shouldn’t。