把下列语句变为被动语态：1.You should do your homework,now.2.They can finish the task in time.
问题描述：
把下列语句变为被动语态：1.You should do your homework,now.2.They can finish the task in time.
把下列语句变为被动语态：
1.You should do your homework,now.
2.They can finish the task in time.
3.Parents should allow the kids to do homework with their friends.
4.You may put your bike there.
5.We have learnt three units.
答
Your homework should be done now.(这个严格来讲不能用被动语态,因为意思变了)
The task can be finsihed by them in time.
3.The kids should be allowed to do homework with their friends by parents.
4.The bike may not be put there.
5.Three units have been taught to us.那 He has already pasted the letter. 怎么改？