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.

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

　Mary ______ her homework on Sundays.

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

　 _____ of us ______ him to rest.

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

　The children______ on the playground.

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

　You'd better_____ it to your office.

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

　_____ go boating today.

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

　 _____ pleased with the result.

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

　He ______ finished his homework ______.

10. You like listening to soft music, ______?

　Ⅳ. 肯定句与否定句相互转换

9. She isn't the best one in the class, ______?