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(三)重要语法总结 情态动词can / could 的用法 1. 情态动词本身有各种意义，但不能单独做谓语，只能和动词一起构成谓语，表示说话人的语气和情感。没有人称和数的变化。 2. can/could 表示一般的能力，could表示过去的能力，can 表示现在或将来的能力。 3. 当表示允许别人某事时，用can而不用could. 4. 表示提议和请求。在语气上could较客气，但can较肯定。 e.g. A monkey can’t swim. She couldn’t draw before. --Could I open the door now? --Yes, of course you can. Could you tell me the way to the hospital? (四) 典型练习题 一)单项选择 1. Bob likes to play ____soccer and he also likes to play ____piano. A. /; the B. the; the C. the; / D. /; / 2. --____do you want to eat? --Thanks. I’m full. A. What else B. What other C. Else what D. Other what 3. --Do they both like reading books? --Yes. Lucy likes reading science books, _____Lily likes reading storybooks. A. so B. or C. while D. when 4. --Can Jane sing English songs ____the party? --Yes. She can sing them ____her teacher’s help now. A. at; under B. of; with C. of; under D. at; with 5. --Can I take away these nice presents? --_____. They are for my friends. A. Not way B. No way C. Don’t worry D. All right 6. --Could Jane dance the disco____? --No, but she could play ball games three years ____. A. before; ago B. ago; before C. ago; ago D. before; before 7. --Are you good at ____? --No, but I do well in ____. A. swim; fish B. swimming; fishing C. swim; fishing D. swimming; fish 8. --Can you draw pictures for me? --_______ I have too much homework to do. A. Yes, I can. B. No, I can’t. C. Yes, he can. 9. --Li Ming often plays sports on the playground. Can he play basketball? --Yes, he can. He can do it _______ A. a little B. very well C. very good 10. We have very ______water left. Please go and get some. A. any B. little C. a lot of 11. --There are _____drinks in the room. What do you want? --No, thanks. A. so many B. so much C. a little 12. --What present would you like to _____to the party, Jack? --It’s a secret. A. carry B. take C. get 13. --Are the twins ______in the same school? --Yes, they are. A. all B. both C. each 14. She can sing English songs, but she doesn’t know ______about Chinese songs. A. some B. anything C. a lot (责任编辑：admin) |