1、最新 料推荐肯定句变否定句习题训练知识点总结：把肯定句改成否定句分以下情况：1、 句中有 be 动词 (am, is, are, was,were)的，在 be 动词后加 not ；2、 句中有情态动词的（ can , should, must , would等），在情态动词后面加 not ；如： I can run.I can not run.3、 句中没有 be 动词和情态动词的，在动词前加dont或 doesnt： 句中动词为原形的 (即主语为第一人称 I/we 、第二人称 you,第三人称复数 they, two apples 等），加 dont。如： I like apples.I
2、dontlike apples.句中动词为三单式的 (即主语为第三人称单数 he/she/it/this book 等），加 doesnt，并将三单式的动词还原成原形：如： He likes apples. He doesntlike apples.时态为过去时的，要加didnt 而且动词过去式要改为原形：例 :I went to school yesterday . I didntgo to school yesterday . 4.肯定句中的 some 在否定句中应改为 any如： There are some students in the classroom.There are not
3、 any students in the classroom.习题训练： 将下列肯定句变为否定句。1. He likes his pen under._ _2. We go to the meeting ._ _3. He likes the violin._ _4. My sister sings beautifully._ _5. They are doing questions and answers with the teachers._6. My father has his lunch at 11:30 every day._ _7. There is a policeman at
4、 the corner of the road._ _8. There is some wonderful news in todayspaper._ _9. They are playing on the playground._ _10. Tom often tells them stories in French._ _11. After class some students play balls._ _12. He speaks English._ _1最新 料推荐13. Tomsbrother is walking in the park._ _14.We come from Ch
5、ina._ _15. The students of Class 5 are cleaning the classroom._ _16. Tom and Mary are friends._ _17. There are some books in the bookcase._ _18. Im a student._ _19. Your father can ride a bike._ _20. They can play football after school._ _二、将下列否定句改为肯定句。1. He didntknow the news._ _2. We dontwant to h
6、elp the old man._ _3. I cantremember your homework._ _4. You shouldntlaugh at others._ _5. You arentmy best friend._ _6. The little boy didntlike the little rabbits._ _7. He doesntlike swimming._ _8. Mary and Tom arentclassmates._ _9. My father doesnthave a car._ _10. My sister can not finish the work in an hour._ _2
