备战2022英语中考专题复习 情态动词【学案】.doc

情态动词学案【学习目标】1. 掌握情态动词在一般疑问句中的问与答。2. 掌握情态动词表示猜测的用法。【重点难点】情态动词can, may, must, ought to , will, shall, should, would , need, dare的用法【知识铺垫】情态动词表示说话人对某一动作或状态的态度,或表示主观设想。情态动词有自己的词义,但不能单独作谓语,必须和不带to的动词不定式(ought除外)连用,没有人称和数的变化。常用的情态动词有can, may, must, ought to , will, shall, should, would , need, dare。 【课堂探究】探究1 must和have to两者都表示“必须”的意思,但must含有说话人主观上的看法、态度；have to则表示客观上的需要。【针对练习】When traffic lights are red. We _stop and wait. A. may B. can C. must D. might.探究2 can和could 两者都可用来表能力, 意为“能够,会”；可用来表示许可(常用在口语中)或表示怀疑、惊异、不相信等态度(常用于否定句、疑问句或感叹句中)。【针对练习】Could I borrow your dictionary? Of course you _.A. can B. must C. should D. will 探究3 shall用于第一、三人称疑问句表示征求对方意见；用于第二、三人称肯定句或否定句表示说话人给予对方的“禁止、命令、警告、允诺或威胁等”。 should用来表示建议、责任、义务时,可译为“应该,应当”,此时可用ought to替换；可用来表示惊讶、忧虑、赞叹等不满情绪(用在疑问句中)；还用来委婉地陈述自己的意见。【针对练习】Schools _allow students at least one hour a day for sports. A. would B. might C. should D. could探究4 had better和would rather “had better+动词原形”意为“最好做”,否定句式为had better not。“would rather+动词原形”意为“宁可,宁愿”,否定句式为would rather not。【针对练习】1. Bob, may I _your MP4? Sure. But youd better not _it to others.A. lend；lend B lend；borrow C. borrow；borrow D. borrow；lend2. What about playing football this afternoon, Sam?I would rather _ at home than football. Its too hot outside. A. stay; playing B. stay; playC. to stay; to play D. to stay; playing探究 5 “used to+动词原形”表示“过去常常做某事”或表示过去的一种惯常状态。【针对练习】He used to _ in the sun, but now he is used to at night.A. read, read B. reading, read C. read, reading D. reading, reading探究6 need和dare【针对练习】 You _do it if you really dont want to. A. neednt B. mustnt C. cant D. couldnt 【达标练习】单项选择。1. _ I fill in the check-in form right now, sir? No, you neednt. You can complete it this afternoon. A. May  B. Can  C. Would   D. Must2. Could I go to the movie this weekend, Dad?Yes, you_. But you have to come back before nine.A. shall B. must C. need D. can3. You play with fire, Tom. Its dangerous. A. neednt B. may not C. mustnt D. wouldnt4. As we know, fish _die out of water.    A. may   B. is going to  C. can  D. will5. Shall I book some seats for the concert? _. Ive already done that. A. Yes, you may B. No, you mustnt C. No, you neednt D. Id rather not6. I think Miss Gao must be in the library. She said she would go there. No, she _ be there. Ive just seen her there. A. cant B. mustnt C. neednt D. wouldnt7. You _ worry about him. He will get well soon. A. neednt B. cant C. mustnt D. may not8. Schools _allow students at least one hour a day for sports.A. would B. might C. should D. could9. You _ open the door before the train gets into the station. A. dont have to B. mustnt C. neednt D. may not10. I was told to be here before eight. Oh, you . Im sorry for not telling you that we have changed the plan.A. must B. cant C. mayD. neednt11. May I take this book out of the reading room? . Please read it here. A. Certainly B. No, you neednt C. No, you mustnt12. Whos that woman with Ann? Im not sure. It be her mother A. may B. can C. will D. must13. Must I get up early tomorrow? No, _. A. you mustntB. I dont think you have to C. you cantD. you need14. The room is so dirty. _ we clean it? Of course. A. WillB. Would C. Do D. Shall15. You look tired. Youd better _a good sleep. A. have B. having C. had D. to have【学后反思】_参考答案：15 DDCAC 610 AACBD1115 CABDA