助动词和反意疑问句.ppt

1、本身没有词义,不能独立作谓语,只能和主要动词一起 构成谓语动词 2、用来表示否定、疑问、时态、语态或其它语法形式, 助动词自身有人称、单复数和时态的变化。,助动词,英语中动词的一种，具有重要的作用。,英语动词共有四大类：实义动词、系动词、助动词、情态动词,e.g. He doesnt speak English. 他不说英语。 We are playing basketball. 我们在打篮球。 Do you have a brother? 你有兄弟吗？,英语中助动词主要有哪些,be（is; am; are; was; were）动词,情态动词也是助动词的一种,借来的助动词do; does; did,现在完成时中的have和has,can; could; will; would; should; must; may 等,Mary is from Shanghai. They come from Shanghai. My father likes reading newspaper. I have been to Beijing. We can play the piano. He saw an interesting film last night. The students are playing football over there. They had a good time on the Great Wall. She will fly to London next week. Tom has finished his homework.,大显身手,找出下列句中的助动词并说明用途。,把下列句子变成 一般疑问句和否定句,The students in Class Two played basketball against Class One yesterday, _? did they B. didnt they C. were they D. werent they 2. -Alice had nothing for breakfast this morning,_? -No. She got up too late. had she B. hadnt she C. did she D. didnt she 3. The boy has a new MP4, _? doesnt he B. isnt he C. does he D. is he 4. There is some beef in the fridge, _? is there B. isnt there C. hasnt there D. has there 5. Jim never goes to the movies on Saturday, _? A. does he B. doesnt he C. is he D. isnt he,6. I dont think Ken did such a stupid thing, _? do I B. dont I C. did he D. didnt he 7. The girls just gone out, _? isnt she B. doesnt she C. hasnt she D. has she 8. I think he is right, _? do I B. dont I C. is he D. isnt he 9. He says that I did it, _? does he B. doesnt he C. did I D. didnt I 10. Few people visited HongKong in our class, _? did they B. didnt they C. were they D. werent they 11. Lets go shopping tonight, _? A. do we B. will we C. shall we D. will you,12. Dont smoke in the meeting-room, _? do you B. dont you C. will you D. shall we 13. He has never been late for school, _? does he B. doesnt he C. has he D. hasnt he 14. She can hardly catch the early bus, _? can she B. is she C. does she D. cant she 15. They have a wonderful time in Beiji