Bài 1
1.came-had left
2.got up - Had left
3.Had finish - went
4.Had done - came
5.Met - have divorced
6.Hadn't bought - would have had
Bài 2
1.Tea can't be made with cold water by them
2.All the workers was being instructed of the plant by the chief engineer
3.Some of my books have been taken away
4.The meeting will be held before May Day
5.The engine of the car has to be repaired
6.The window was broken down by the boys and took away some pictures
7.A lot of money is spent on advertising everyday
8.This room may be used for the classroom
9.A story is going to be told by the teacher
10.The cake is being cut with a sharp knife by Mary
11.The women with a red hat was looked at by the children