(
课件网) Unit 7 Grammar Using can,could and may&what,how smoke v. 吸(烟), 抽(烟) Presentation take an X-ray 照X光 / 'k m r / camera n. 照相机 — By the way, may I borrow your camera — No problem. 顺便问一下 use cameras to take photos take photos with cameras 1. _____ a clever boy he is! 2. _____ cold it is today! 3. _____ nice weather it is! 4. _____ interesting the books are! 5. _____ interesting books they are! 6. _____ well she dances! What How What How What What How 用What或How填空。 7. _____ an interesting film it is! 去掉主谓必现真身 he is it is it is the books are they are she dances it is See,you can speak English very well now. But could you speak English so well when you were in primary school(小学） What can Superman do He can see through walls. He can burn things with his eyes. He can hear things far away. He can stop a train with his hands. He can fly as fast as light. We use “can” to talk about ability. （能力） He can swim. But he _____ _____ last month. couldn’t swim He is able to swim. But he was unable/wasn't able to swim last month. can could 表示现在的能力 表示过去的能力 can/could表示能力(意为“能,会”) =am/is/are able to do sth. =was/were (un)able to do sth. A: 能力ability will be able to 将来的能力 A: Can you … B: Yes, I can. I’m able to…now. A: Could you … at the age of five B: No, I couldn’t. I was unable to … when I was… What can you do 一、情态动词can/could用法： 1. 肯定句: 主 + can/could + 动词原形 … 2.否定句: 主 + can’t/couldn’t + 动词原形 … 3.一般疑问句: Can /Could+ 主 + 动词原形 …？ 肯定回答: 否定回答: 4.特殊疑问句: eg. What can/could I do for you Yes, 主 + can/could. No, 主 + can’t/couldn’t. 现在我们来总结一下： 二、 be able to用法： 1.主语+is/ am/are；was/were able to +V原形 2.肯定句: 主 + be able to + 动词原形 … 3.否定句: 主 + be not able to + 动词原形 … 4.一般疑问句: Be+ 主 + able to +动词原形 …？ 肯定回答: 否定回答: Yes, 主 + be. No, 主 + be not. Fill in the blanks: 1. ____ Jim speak English No, he ____. 2. _____ you play the piano at the age of 4 Yes, I _____. 3. _____ you use computer last year Yes, I _____. 4. _____ she play basketball 5 years ago No, she _____.But now she_____. 5. _____ you ride a horse I want to do that but I _____. Can can’t Could could Could could Could couldn’t Can can’t can Can: friends/classmates Could: more polite teachers/older than you May:more formal(正式) strangers(陌生人) can/could/may 许可 B: --ask for permission(许可) with different people. ____ I sit down here, Miss May Sorry, you_____/_____. I want to read my book alone. can't you’d better not can/could/may --ask for permission(许可) with different people. Mr. Wu 1. --Kitty, I left my ruler at home. _____I borrow yours --Sorry, I'm afraid you_____. I'm using it. 2. --Mr. Wu, _____ I use your computer to search for more information --Yes, you _____. 3. --Sir, _____ I use your mobile phone --Of course you _____. Can can't Could can may may/can B.Us ... ...
