2023年英语中考必考语法复习---情态动词分类讲练

中考必考语法复习---情态动词分类讲练 情态动词的基本用法：情态动词+动词原形 Would you please_________ (play) football with me this weekend? --- If you like the book, you may_______ (keep) it. I have read it many times. 情态动词用法常考的三种情况： 表示可能性、猜测：can （一般表示对客观真理的猜测，不用于现实事件的猜测）----无否定 could（can的过去式） 易错点: may（表示对事件的猜测）----否定may not（可能不）---过去式might must （一定）-----否定-can’t（不可能） 例1：There can be aliens in the outer space. ------表示对科学真理的猜测 例2：He can be Lily’s father. ----错，can不用于现实事件的猜测 改正：He may be Lily’s father. 例2：There is light in Mr. Li’s office. He _________ (一定) be inside. -----must be 例3：Mr. Li is on business in Shanghai, so he __________ (不可能) be at home.---can’t be 例4：他可能不是李老师。He may not be Mr. Li. 他可能是李老师。He may be Mr. Li 表示请求允许：may, might, can, could, mustn’t. 例1:----Might/ May I smoke in this room? ---- No, you mustn’t. 例2：---- May/Might I take this book out of the room? ---- Yes, you can. (No, you can’t / mustn’t.) 表示必须，必要：must 一定；needn’t 不必；don’t have to不必。 例：---- Must we hand in our exercise books today? ---- Yes, you must. ---- No, you don’t have to / you needn’t. 易错点：must的否定并不是mustn’t，而是needn’t和don’t have to。 综合练习 1. You _______pay too much attention to your pronunciation, as it is so important in the oral test. A. shouldn’t B. mustn’t C. can’t D. needn’t 2. --- Is this e-dictionary Jack's? --No, it_______ his. His is much newer. A. can't be B. mustn't be C. may be D. should be 3. --Hurry up, Stephen! Let's cross the street as quickly as possible. ---No, you_____. Don't you see that the traffic lights are still red? A. couldn't B. wouldn't C. mustn't D. needn't 4. ---Must I water the flowers now, mum? ---No, you ______. You ______ do it later. A. mustn’t, must B. mustn’t, may C. needn’t, may D. needn’t, must 5. ---Dick, I use your e—dictionary? ---Yes, please. you give it to Mike after you use it? A. will; Would