Unit 4 单元语法专练：情态动词must 2024-2025学年冀教版英语九年级全册

九年级第四单元语法专练：情态动词must 一 用must和have to 填空 1. My sister is ill, my mother ___________look after her. 2. We ________ find a good method（方法）to play the game well. 3. I _______attend（参加） an important meeting tomorrow. 4. My mother is out, so I ______ look after the shop. 5. I am hungry, I ______ eat something. 6. It is raining outside , so I________ stay at home. 7. I ______ clean the room because it was too dirty. 8.---Do you______ go now? ---Yes, I must. 9.I ______ take a taxi home, because I couldn’t get a bus. 10. We don’t______ walk there, we can take a bus. 二 用所给词的适当形式填空 1.She must_________(be) a teacher last year. 2.My mother can’t_________(have) lunch now. 3.I must_________(be) in France next week. 4.You must_________(drive) at seventy miles an hour when I overtook you. 5.He didn’t come to work yesterday, he must__________(be) ill. 6.Lily didn’t hear the phone, she must_________(sleep). 7.The ground is wet, it must__________(rain) last night. 三 选择 ( ) 1.We can’t go home now because we ____ finish the work today. A. can B. may C. want D. must ( ) 2. He ________ be a dentist. A. mustn’t B. needn’t C. hasn’t D. can’t ( ) 3. We ________ water the garden. A. need B. need to C. needn’t to D. don’t need ( ) 4. --He must be fifty. –-No. He ________ be fifty. A. can’t B. mustn’t C. couldn’t D. needn’t ( ) 5. I haven’t brought my dictionary with me. ________ I use yours? A. Must B. Need C. May D. Will ( )6. --Must I write all the words down? –-No, you ________. A. mustn’t B. can’t C. won’t D. needn’t ( ) 7. --May I go out to play basketball now? No, you ________ finish your homework first. A. must B. can C. may D. need ( ) 8. _______ I come in, Mr. Green? –-Yes, come in, please. A. Must B. May C. Will D. Need ( ) 9. We ______ talk loudly when we see the “Be Quiet” sign. A. must B. mustn’t C. needn’t ( ) 10. -----________ I leave all the books here? ------sorry, you can’t. You have to take them back home. A. Need B. Must C. May 三 句型 1.She has to decide immediately. (变成否定句和一般疑问句) ________________________________________________________ ________________________________________________________ 2.They must wait in the room. (变成否定句和一般疑问句) _________________________________________________________ _________________________________________________________ 3.We had to take a taxi. (变成否定句和一般疑问句) _________________________________________________________ _________________________________________________________ 4.He must be American.（变为否定句） _________________________________________________________ 5.He has to wait for two hours.（对划线部分提问） _________________________________________________________ 6.I must go to the hospital tomorrow.（用have to 改写） _________________________________________________________ 以下是上述情态动词 must 语法专练的答案及解析： 一、用 must 和 have to 填空 1. has to 2. must 3. must 4. have to 5. must 6. have to 7. had to 8. must 9. had to 10. have to 解析：“must”表示主观上的“必须”，“have to”表示客观上的“不得不”。 二、用所给词的适当形式填空 1. be 2. have 3. be 4. be driving 5. have been 6. have been sleeping 7. have rained 解析：“must + 动词原形”，所以 1、2、3 用原形；4 表示“当时一定正在以每小时 70 英里的速度开车”，用“be driving”；5 表示对过去的推测，用“have been”；6 表示当时一定正在睡觉，用“have been sleeping”；7 表示对过去的推测，用“have rained”。 三、选择 1. D ：我们今天必须完成工作，所以不能回家，“must”表示必须。 2. D ：他不可能是牙医，“can't”表示不可能。 3. B ：我们需要给花园浇水，“need to do sth.”需要做某事。 4. A ：他不可能五十岁，“can't”表示不可能。 5. C ：我没带字典，可以用你的吗？“May”表示请求许可。 6. D ：我必须写下所有单词吗？不，你不必，“needn't”不必。 7. A ：不，你必须先完成作业，“must”表示必须。 8. B ：我可以进来吗？“May”表示请求许可。 9. B ：看到“保持安静”的标志我们禁止大声说话，“mustn't”禁止。 10. C ：我可以把书都留在这吗？“May”表示请求许可。 三、句型 1. 否定句：She doesn't have to decide immediately. 一般疑问句：Does she have to decide immediately? 2. 否定句：They mustn't wait in the room. 一般疑问句：Must they wait in the room? 3. 否定句：We didn't have to take a taxi. 一般疑问句：Did we have to take a taxi? 4. He can't be American. 5. How long does he have to wait? 6. I have to go to the hospital tomorrow. 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $$