2017人教《新目标中考》英语语法专题课件-情态动词 (共36张ppt)
情态动词不能单独作谓语,它必须和动词 原形连用一起构成谓语。 一、情态动词的情态意义表示法 考点一:can可表示现在或将来的能力, 意为“能;会”。can还可表示请求、允 许,意为“可以”。如: Gabriella can speak French fluently. Can you help me lift this box?考点二:could可表示过去的能力;当 could表示允许时,语气比can更加委婉和客气。如: Could I have a drink of water, please? 考点三:may表示请求、允许,意为“可 以”。如: May I come in and wait? Thank you. You may go now.考点四:might表示允许时,语气比may更 加委婉和客气。如: Might I borrow your pen? 考点五:must表示义务、命令或必要,意 为“必须”,强调主观看法。mustnt表示“不 允许;禁止”之意。如: All passengers must wear seat belts. You mustnt talk to your mother like that. 考点六:have to意为“不得不”,强调客观 需要。如: It is getting late. I have to go.考点七:should意为“应该”,既可以表示义 务或责任,还可以表示劝告或建议。其否定 式为shouldnt,意为“不应该”。如: You should read his new book. Its really interesting. Children shouldnt be allowed to play in the street. 考点八:had better do sth.意为“最好做某 事”,其否定式在better后加not。如: Youd better (not) see the film yourself. 考点九:need表示“需要”,作情态动词时, 通常用于否定句或疑问句中。【中考链接】 1. Jenny finally got the job because she _ speak English well.A. might B. must C. could (2015 广东佛山)2. How do you usually go to school?My school is far away. I _ take the bus to school.A. must B. might C. have to (2015 山东菏泽)3. It's surprising that Mr. Ma's little daughter _ speak English so well.A. must B. canC. mustn't D. can't (2015 重庆A卷)4. As middle school students, we _ be afraid of difficulties if we want to make our dreams come true.A. must B. shouldn't C. need (2015 黑龙江哈尔滨)5. Cars, buses, bikes and people _ stop when the traffic lights are red.A. can B. may C. must (2015 四川成都)6. _ I use your dictionary?Of course. But please return it to me before you leave.A. Must B. Need C. May (2015 湖南长沙)7. Mum, the train is leaving in eight minutes. I _ go now.Okay, Jim, call me when you get there.A. may B. must C. can (2015 四川乐山)8. You _ return the book now. You can keep it until next week if you like.A. have to B. can'tC. mustn't D. needn't (2015 山东青岛)9. You _ park here! Look at the sign, it says “No parking”.Sorry, I didn't notice that sign just now.A. won't B. needn'tC. mustn't D. couldn't (2015 江苏苏州)二、情态动词表示推测 考点一:can表示推测时常用于否定句 中,此时cant意为“不可能”。如: That cant be his mother. Shes not that old. 考点二:could常用于肯定句中,表示不 确定的推测,意为“可能”。如: You could be right, but I dont think you are.考点三:may表示推测,意为“可能;也许”。 如:I may be late, so dont wait for me. 考点四:might表示推测时,比may的可能性 更小。 如: She might not want to come with us, I guess. 考点五:must表示推测时常用于肯定句中, 表示很有把握的推测,意为“一定”。如: The machine doesnt work. There must be something wrong with it.1. Look! It _ be David in the classroom.It _ be him. Because I saw him in the library a moment ago.A. may; mustn't B. must; can'tC. can; can't D. mustn't; can (2015 四川广安)【中考链接】 2. Harry's been driving all day he _ be tired. 1. A. need 2. B. can 3. C. shall 4. D. must (2015 浙江杭州)3. Look! The man at the gate _ be our headmaster. He is always standing there every morning.No, it _ be him. He is holding a meeting in the office now.A. must; can't B. must; mustn'tC. can't; can't D. can't; mustn't (2015 山东滨州)4. I have been to the moon twice.You _ be joking! It's impossible!A. can B. may C. must D. need (2015 山东潍坊)5. Do you have any plans for this Sunday?I'm not sure. I _ go to the countryside to see my grandmother.A. can B. must C. may D. need (2015 安徽)6. Will Karen come to our party?She hasn't decided yet. She _ come. 1. A. need 2. B. must 3. C. may 4. D. has to (2015 山东聊城)7. The green dictionary _ belong to _. Her name is on it.A. may, Carla's B. must, CarlaC. can't, Carla D. must, Carla's (2015 四川南充)8. Do you have any plans for this summer vacation?I'm not sure. I _ take a trip to Taiwan.A. must B. need C. may D. should (2015 江苏盐城)9. Life is changeable. No one knows what _ happen in the future.A. should B. needC. have to D. might (2015 山东莱芜)三、情态动词一般疑问句的回答 考点一:may表示请求时,用于主语为第一人称的一般疑问句中,其否定回答 不用may not,而用mustnt或cant。如: May I use your glasses for a few minutes? No, you mustnt / cant.考点二: 在回答由must引起的一般疑问句时, 肯 定回答常用must, 否定回答常用 neednt或dont have to,表示“不必”。如: Must we finish this project today? Yes, you must. / No, you neednt / dont have to.考点三:在回答由need引起的一般疑问 句时,肯定回答用must,否定回答用 neednt。如: Need I bring you a coat? Yes, you must. / No, you neednt. 考点四:在回答由could(表示委婉语气) 引起的一般疑问句时,常用can / cant回答。1. Must I finish all the homework this evening?No, you _. Tomorrow is Saturday, and you have enough time for it.A. mustn't B. needn'tC. won't D. can't (2015 江苏连云港)【中考链接】 2. A: Mum, may I go out to play football for an hour?B: No, you _. The air outside is not very clean.A. can't B. needn't C. couldn't (2015 贵州遵义)3. Must I hand in the exercise book today, Miss Green?No, you _. Take your time. Just tomorrow.A. shouldn't B. needn'tC. mustn't D. can't (2015 四川内江)4. Must I sing the song in Russian?No, you _. It's up to you.A. mustn't B. can'tC. don't D. needn't (2015 四川资阳)5. Can you come t