语法 肯定句、否定句、一般疑问句肯定句变否定句和一般疑问句类型一、实义动词He often goes to bed at ten._We do eye exercises every day._She came to Japan in 1990._二、系动词I am your friend._Her mother is a teacher._There are two books on the desk._Yesterday was July 1, 1995._They were in Beijing in 1990._三、进行时The girl is standing at the station._The students are playing basketball on the playground._I am looking for a job recently._He was writing letters at this time last night._We were having a meeting this time yesterday._四、情态动词Lucy will be back in four days._You can use this dictionary._You need go tomorrow._We ought to answer this question now?_Little Jane dared go alone._将下列陈述句变为否定句和一般疑问句。1. He found his pen under his desk._2. We must go to the meeting right now._3. My sister sings beautifully._4. Mary missed the bus._5. This bus will take you right to the city._6. We have been to that farm many a time_7. They are doing questions and answers with the teachers._8. My father has his lunch at 11:30 every day._9. There is a policeman at the corner of the road._10. Wang made some model ships for the boys._11. The monitor has got something to tell us._12. I saw somebody in the room just now._13. There is some wonderful news in todays paper._14. Xiao Li dropped the letter into the letter box._15. They are playing on the playground._16. Tom often tells them stories in French._17. I met a friend of mine in the park this morning._18. After class some students play balls._19. He speaks English fluently. _20. I spent the whole evening with the children._21. Mary is reading newspaper now_22. We have been to Shanghai twice._23. I telephoned you yesterday._24. Someone is in the room._25. You have to go now._26. I have a house in the country._27. We did our homework together._28. They study for examination._29. Someone phoned last night._30. We are talking about the film._31. That little boy broke the window._32. I can go to the zoo today._35. The first class begins at eight oclock._36. They often had meeting in his room._