I.1 will be collected

2 will be repaired

3 will be written

4 will be sold

5 bought

6 had

7 performed

8 playing

9 have waited

10 to drive

11 to study

12 was written

II.1.2 that film has been seen by hoa

3 that car has been bought by long

4 the tables have been made

5 these old stamps have been collected

6 this bridge has been built

7 the room has been painted by her father

8 the problem has been solved

2.2. this exercise can be done by phong

3 the meal must be prepared carefully

4 his mother should be helped by huy

5 a toy plane can be made by minh

6 that book ought to be read

7 the car must be cleaned

8 I may be paid high salary

5 his parents will be helped by minh tomorrow

6 a new car will be bought by lan next week

7 I will be taken to the supermarket by my mother tonight

8 a new house will be built next month

3.1 this tree is being planted

2 the flowers are being watered in the garden at the moment

3 the floor is being cleaned

4 the room is being painted by my father

5 the dishes are being washed now

6 the tables are being made by the boys

7 the grass is being cut by mai