问题
句型转换
句型转换。
1. He ought to help his friend work out the problem. (改为否定句)
_______________________________________________________
2. Tom ought to go to join the party. (改为一般疑问句)
_______________________________________________________
3. Must we stay at home? (作否定回答)
_______________________________________________________
4. Our computer needs reparing. (改为同义句)
_______________________________________________________
答案
1. He ought not/oughtn't to help his friend work out the problem.
2. Ought Tom to go to join the party?
3. No,you needn't/don't have to.
4. Our computer needs to be repaired.