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肯定句与否定句相互转换

1. He has already finished his homework.(改为否定句)

He ______ finished his homework ______.

2.Both of his parents were pleased with the result.(改为完全否定句)

_____ pleased with the result.

3. Don't let him go boating today!(改为肯定句)

_____ go boating today.

4. You'd better take it to your office.(改为否定句)

You'd better_____ it to your office.

5.The children weren't playing on the playground.(改为肯定句)

The children______ on the playground.

6. All of us want him to rest.(改为完全否定句)

_____ of us ______ him to rest.

7. Mary does her homework on Sundays. ( 改为否定句)

Mary ______ her homework on Sundays.

8. Meimei has to look after her little brother at weekends. (改为否定句)

Meimei______ to look after her little brother at weekends.

9. I think you are right.(改为否定句)

I ______ think you ______ right.

10. She isn't going to wash anything on Sunday.(改为肯定句)

She ______ going to wash ______ on Sunday.

答案：

1. hasn't, yet 2. Neither of his parents was

3. Let him4. not take 5. were playing

6. None, want 7. doesn't do 8. doesn't have

9. don't, are 10. is, something