Change these sentences into passive forms :
1.They can't make tea with cold water.
->..................Tea can't be made with cold water.................
2.The chief engineer was instructing all the workers of the plant .
->................All the workers of the plant were being instructed by the chief engineer...............
3.Somebody has taken some of my books away.
->.................Some of my books have been taken away...................
4.They will hold the meeting before May Day.
-.......................The meeting will be held before May Day...............
5.They have to repair the engine of the car
->.............The engine of the car has to be repaired.............
6.The boys broke the window and took away some pictures.
->.................The window was broken and some pictures were taken away by the boys............
7.People spend a lot of money on advertising everyday.
-.........................A lot of money is spent on advertising every day......................
8.They may use this room for the classroom
-..............This room may be used for the classroom...........
9.The teacher is going to tell a story.
-....................A story is going to be told by the teacher............
10.Mary is cutting the cake with a sharp knife.
-........................The cake is being cut with a sharp knife by Mary....................