1、精品文档 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don’t或doesn’t : ① 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)
2、加don’t。如: I like apples.→I don’t like apples. ②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doesn’t,并将三单 式的动词还原成原形: 如:He likes apples. → He doesn’t like apples. ③时态为过去时的,要加didn’t 而且动词过去式要改为原形: 例:I went to school yesterday . →I didn’t go to school yesterday . 4.肯定句中的some在否定句中应改为
3、any 如:There are some students in the classroom. →There are not 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 . _________________________________________ _______________
4、 3. He likes the violin. ________________________________________ ________________ 4. My sister sings beautifully. _________________________________________ ________________ 5. They are doing questions and answers with the teachers. _________________________________________________________
5、6. My father has his lunch at 11:30 every day. _________________________________________ _______________ 7. There is a policeman at the corner of the road. _________________________________________ _______________ 8. There is some wonderful news in today’s paper. _________________________
6、 _______________ 9. They are playing on the playground. _________________________________________ ________________ 10. Tom often tells them stories in French. _________________________________________ ________________ 11. After class some students play balls. _______________
7、 ________________ 12. He speaks English. _________________________________________ ________________ 13. Tom’s brother is walking in the park. _________________________________________ ________________ 14.We come from China. ______________________________________
8、 __________________ 15. The students of Class 5 are cleaning the classroom. _________________________________________ ___________________ 16. Tom and Mary are friends. _________________________________________ __________________ 17. There are some books in the bookcase. ______________
9、 __________________ 18. I’m a student. _________________________________________ __________________ 19. Your father can ride a bike. _________________________________________ __________________ 20. They can play football after school. _______________________
10、 __________________ 二、 将下列否定句改为肯定句。 1. He didn’t know the news. _________________________________________ ___________________ 2. We don’t want to help the old man. _________________________________________ ___________________ 3. I can’t remember your homework. __
11、 ___________________ 4. You shouldn’t laugh at others. _________________________________________ ___________________ 5. You aren’t my best friend. _________________________________________ ___________________ 6. The little boy didn’t like the litt
12、le rabbits. _________________________________________ ___________________ 7. He doesn’t like swimming. _________________________________________ ___________________ 8. Mary and Tom aren’t classmates. _________________________________________ ___________________ 9. My father doesn’t have a car. _________________________________________ ___________________ 10. My sister can not finish the work in an hour. _________________________________________ ___________________ 精品文档






