2022年情态动词用法总结 .pdf

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1、情态动词：不能单独作谓语?只作情态动词：must, can, could, may, might ?既作情态动词也作实义动词：need ?既作情态动词也作助动词：will, would, shall, should ?具有情态动词的某些特征：have to, ought to, had better ?情态动词的特征?有一定的词义，但不能单独作谓语，必须和实义动词或系动词连用，构成谓语?无人称和数的变化（除have to) ?The little girl has to sell matches. ?后接动词原形?The little girl has to sell matches. ?具有

2、助动词的作用，可用于构成否定句、疑问句及简明回答?-Can you play ping-pong? ?-Yes, I can./ No, I can t. 1. must、 have/has to的用法?have/ has to 强调客观需要,意为“ 必须,不得不 ” ;must 用于表示主观看法，意为“ 必须，应该 ”?Must you come here for class or do you have to? ? 以 must 开头的疑问句，肯定回答用must,否定回答用needn t 或 dont have to ?-Must I finish the homework today?

3、?-Yes, you must. ?-No, you don t have to/neednt. ?must not (mustn t)表示禁止?No parking. ?You must not (mustnt) park here. Im sorry. I _ go now. My father told me on the phone that my mother was ill. (05厦门）A. can B. may C. have to D. think 2. need 的用法?need to do 实义动词， need do情态动词 ,意为 “ 需要 ”?The sheep ne

4、ed to fight with the wolves. ?(The sheep dont need to fight with the wolves.) ?The sheep need fight with the wolves. ?(The sheep need not fight with the wolves.) ? 用 need 提问，肯定回答用must, 否定回答用needn t ?-Need I return home by ten? ?-Yes, you must. ?-No, you needn t. “ Where s my umbrella?” “ It s fine t

5、oday. You _ take an umbrella with you. ” （06 新疆）A. cant B. neednt C. mustn t D. shouldnt 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 4 页 - - - - - - - - - -I don t mind telling you what I know. -You _. I m not asking you for it. （06 济南）A. neednt B. mustnt C.

6、 may not D. can t 3. can、could 的用法?表示能力，意为“ 能，会 ”?Can you play badminton? ?表示请求或允许，多用于口语中，意为“ 可以 ” ，相当于 may，can 的语气强于could ?You can go now. ?Could you give me a hand? ?以 can、 could开头的问句，肯定、否定回答仍用can、could ?-Could she swim when she was a child? ?-Yes, she could./No, she couldnt. We hope that as many

7、people as possible _ join us for the charity show tomorrow.（08 苏州）A. need B. can C. must D. should -_ you friend play the guitar? -Yes, he can, but he cant play it well. （06 广西）A. Must B. Can C. Should D. Need 4. may、 might 的用法?表示请求、许可，意为“ 可以 ” ，may 的语气强于might ?May I borrow your book? ?I asked her i

8、f I might leave.? may 表示请求时，主语为第一人称的一般疑问句，肯定回答用may,其否定回答用 mustn t,表示 “ 不许，禁止 ”?-May I go now? ?-Yes, you may. ?-No, you mustn t. -Is Mr. Brown driving here? -Im not sure. He _ come by train. （08 安徽）A. may B. shall C. need D. must -May I put my bike here? -No, you _. You should put it over there. （04

9、 北京）A. couldn t B. neednt C. mustn t D. won t 5. will、would、 shall、should (ought to)的用法?shall 用于第一人称表示征求意见询问?Shall we have dinner at that restaurant? ?should、 ought to 表示义务、责任，“ 应该 ”?We should/ought to obey our parents. ?We shouldn t/ought not to sleep in class. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - -

10、- - - - - - - - - - 名师精心整理 - - - - - - - 第 2 页，共 4 页 - - - - - - - - - We _ keep the new traffic law and learn how to protect ourselves. （ 08 湖北）A. may B. should C. can D. need 6. will、would 用于第二人称表示征求意见询问，也可表达现在的意愿,will 的语气强于would ?Will you pass me the book? ?I would do anything for you. ?would 表示过

11、去习惯性的动作，相当于used to ?I would go to the gym every week during my college years. = I used to go to the gym every week during my college years. 7. had better 的用法?表示最好做某事，否定为 had better not ?Youd bette r ask him to stop laughing. ?Hed better not laugh any more. The baby is too young. You _ give her big p

12、ieces of food. （08 沈阳）A. may B. must C. may not D. must not Tony _ go to the opera on Saturday because hes going to have a meeting.（08 天津）A. cant B. might C. mustn t D. should -Tom, dont drive too fast, you _ hit the others cars. -Ok, I won t, Mum. （04 乌鲁木齐）A. must B. need C. may D. have to -Must I

13、do the work now? -No, you _. You may do it later. （07 四川）A. cant B. mustnt C. neednt D. shouldn t 表推测的情态动词的用法对现在或将来的行为的推测(情态动词 +动词原形）?must 表示 “ 肯定 ” 推测，只用于肯定句Xi Yangyang must be a boy. ?can, could, may, might 用于肯定句中，表示“ 可能 ” 推测 ,语气由强到弱The dictionary may be there. It might rain this evening. Im sure

14、this book _ Li Lei s, because there is his name on it.（08 吉林）A. cant be B. may be C. might be D. must be ?can, could, may, might 用于否定句中，can t, couldn t 表示 “ 不可能 ” ，may not, might not 表示 “ 可能不 ” ，He cant be there. The news may not be true. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心

15、整理 - - - - - - - 第 3 页，共 4 页 - - - - - - - - - ?表推测的把握性程度由低到高为might may could can should ought to would will must -Listen! Is Professor Bloom giving a speech in class? -No, it _ be him. He has gone to France. （08 潍坊）A. may not B. mustn t C. needn t D. can t -Who s that boy reading in the garden? Is

16、that David? -It _ be David. I saw him in the classroom just now.（08 重庆）A. must B. can t C. may D. shouldn t -Will you answer the telephone? It _ be your mother. -Sorry. I _. I m busy.（08 山东）A. can; mustn t B. will; can t C. may; cant D. need; will Four hundred dollars for a pair of shoes, you _ be joking!（08 杭州）A. may B. can C. need D. must 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 4 页 - - - - - - - - -