Unit1 情态动词讲义 人教版英语七年级下册

这是一份Unit1 情态动词讲义 人教版英语七年级下册，共2页。
七下 Unit 1 （情态动词的用法）一、含义：情态动词是动词的一种，它表示讲话人的态度、请求、许可、愿望、可能等。本身具有一定的意义，但不能独立作谓语，没有人称和数的变化，且后面必须跟动词原形。二、分类：can/could（能够，可以），may/might（可能，可以）， must（必须，一定）， need（必要）， have to（不得不） 等。三、情态动词的用法1.情态动词+动词原形2. 情态动词的句式变化（以can为例）(1)肯定句：主语+can+动词原形+其他 I can fly. (2)否定句：主语+cannot/can’t+动词原形+其他 I can’t fly. (3)一般疑问句：Can+主语+动词原形+其他？肯定回答：Yes, 主语+can.否定回答：No, 主语+can’t.—Can you play the violin? —Yes, I can. —No, I can’t. (4)特殊疑问句: 疑问词+can+主语+动词原形+其他？ What can you do in your home? 四、情态动词三大考点1.情态动词+动词原形2.Must提问，否定回答用needn't/don’t have to（不用mustn't是因为他表示禁止做某事）3.can't表示最否定 —Listen, there is somebody knocking on the door? Is it Ms Gao?—No, it can’t be Ms Gao. I saw her running on the playground.巩固练习1. — ______ I use your dictionary?—Sure, here you are.A. Must B. May C. Need D. Should2. He________ sing, but he can dance.A. isn’t B. doesn’t C. don’t D. can’t3. — Can Zhu Zhiwen _________ an English song?— No. I don't think he_________.sing; can B.to sing; can C. sings; can't D. singing; can't4. —_____you singing an English song to me？—I think I can do it.A. May B. Can C. Mustn’t D. Must5. We ______ have a concert tomorrow, but I’m not sure.A. can B.may C. must D. can’t6. That man over the tree_____be his father, because I saw him went to the cinema just now.A. can B. mustn't C. may D. can't7. —I wonder if this book is Alice’s.—It ______ be hers. There is Mike on the book.A. mustn’t B. may not C. can’t D. shouldn’t8. —______ I invite my friends to the party on Saturday?—Of course you can.A. Have to B. Must C. Can D. Can't9. —Must I do my homework now?—No, you ______. You can do it tomorrow.A. haven’t to B. don't have toC. haven’t to D. don't have to10. The man in my room ______ be my brother. He is still in Japan.A. couldn't B. mustn't C. needn't D. can't11. —May I park on the side of the road ?—Sorry, you ______. Look at the sign "No parking "!A. may not B. mustn't C. can D. needn't