《2018年高考英语 情态动词课件 新人教版》由会员分享，可在线阅读，更多相关《2018年高考英语 情态动词课件 新人教版（52页珍藏版）》请在金锄头文库上搜索。
1、2.How many years can a mountain exist Before its washed to the sea? Yes, how many years can some people exist Before theyre allowed to be free? Yes, how many times can a man turn his head, Pretending he just doesnt see? The answer, my friend, is blowing in the wind, The answer is blowing in the wind
2、.,Blowing in the Wind,3.How many times must a man look up Before he can see the sky? Yes, how many ears must one man have Before he can hear people cry? Yes, how many deaths will it take till he knows That too many people have died? The answer, my friend, is blowing in the wind, The answer is blowin
3、g in the wind.,1 How many roads must a man walk down Before you call him a man? how many seas must a white dove sail Before she sleeps in the sand? Yes, how many times must the cannon balls fly Before theyre forever banned? The answer, my friend, is blowing in the wind, The answer is blowing in the
4、wind.,Grammar,Modal verbs,Self-study,can could may might shall should must will would ought to,have to dare (darent) need (neednt) used to,modal verbs,1. How many modal verbs do you know?,只作情态动词的 可情态可实义的 可情态可助动词的 相当于情态动词的,can/could, may/might, ought to， must,need, dare/dared,shall/should, will/would
5、,have to, used to,2. Whats the definition of modal verbs?,情态动词是一种本身有一定的词义,表示说话人的情绪,态度或语气的动词,但不能单独作谓语, 只能和其他动词原形构成谓语。,3.What are the functions of modal verbs?,1.To talk about _ 2. To talk about _ 3. To talk about_ 4. To talk about _,ability,obligation,certainty,permission,5. To make_ 6. To make _ 7.
6、To make_ 8. To give _,requests,suggestions,offers,advice,2. Read Part A on page 31, and then complete the passage.,Answers (1) can (2) dare (3) can/could (4) may/might/could (5) mustnt/shouldnt/cant (6) mustnt/shouldnt/cant (7) can (8) neednt,group-study,1. Talk about ability: can, could 和be able to
7、的用法,She can/be able to sing the song in English. This machine can make you feel comfortable.,1.can, be able to都可表示“能力”,Can的主语是人或物,be able to的主语是人,Well be able to finish the work soon. I havent been able to see the film.,2.can只用于现在时和过去时(could)。be able to可以用于各种时态。,3.could用于表示泛指过去的能力。如： I could read wh
8、en I was four.,4.表示特定的某一过去能力或表示成功地做了某事时，只能用was/were able to， 不能用could。,He _ flee Europe before the war broke out.,Note：,was able to,2. To talk about obligation,ought to/should have to must *have to 能用于各种时态,且有人称和数的变化. ought to 的否定式为ought not to/oughtnt to,强,should & ought to,Should&ought to含义相近，都可表“责
9、任，义务”常可互换。区别在于，ought to常指特殊情况下的“应当”。Should则指一般情况。,You ought to help him because he is in trouble now.(语气强，有命令意味。) You should have a rest after finishing your sports.（一般性建议） You ought to call the police when you find something wrong in your house. He should take care of the babies tonight.,*情态动词shoul
10、d一般不应被认为是情态动词 shall的过去式，主要用法有： 1)用于第一人称疑问句中询问对方的意愿，但语气较委婉温和，如： What should we do now? 我们现在该怎么办？ 2)表示应该、必须，常与must 换用。例如： We should (must) master a foreign language at least. 3)用于虚拟语气: It is suggested that he (should) be sent there at once. It is strange that he should say so. I m surprised that he sh
11、ould eat so little every.,must表主观意志，而have to表由于客观因素不得不做完成的事情。 Must没有过去式，除在间接引语中可表示过去的时间。在直接引语中表示过去的时间用had to代替。 I told her that she must give up smoking.,比较must & have to,Its getting late. I have to leave now. （客观需要）,3. To talk about uncertainty,might may should ought to will must,强,2.情态动词的重要用法.,肯定的
12、推测 可能的推测 否定的推测 疑问的推测,must,对将来 对现在 对过去,情态动词,may, might,cant, couldnt,can, could,+ V. + V. + have done 常见must be + be doing,+ V. + V. + have done + be doing 可以用not表示“可能不”,+V. + V. + have done + be doing,+ V. + V. + have done + be doing,1. I dont know where she is, she _ be in Wuhan. 2. At this moment,
13、 our teacher _ our exam papers. 这时，我们老师想必在批改试卷。 3. The road is wet. It _ last night. (rain) 4. Your mother _ for you. 你妈妈一定一直在找你。,may,must be marking,must have rained,must have been looking,5. Philip _ seriously in the car accident. 菲利普可能在车祸中受了重伤. 6. -Linda has gone to work, but her bicycle is still
14、 here. -She _ (go) by bus. 7. Mike _ his car, for he 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。,may (might) have been hurt,may (might) have gone,cant have found,高考考题: 1. I thought you _like something to read, so I have brought you some books. A. may B. might C. would D. must 2.
15、 Where is my pen? I _it. A. might lose B. would have lost C. should have lost D. must have lost 3. I didnt hear the phone. I _asleep A. must be B. must have been C. should be D. should have been,B,D,B,4. -There were already five people in the car, but they managed to take me as well. -It _a comfortable journey A. can
