Change the active to the passive by supplying the correct form of the verb to be
1. Tom is preparing the homework.
The homework _____ prepared by Tom now.
2. Tom has prepared the homework.
The homework _____ prepared by Tom.
3. Tom prepared the homework.
The homework _____ prepared by Tom.
4. Tom was preparing the homework.
The homework _____ prepared by Tom.
5. Tom had prepared the homework.
The homework _____ prepared by Tom.
6. Tom will prepare the homework.
The homework _____ prepared by Tom.
7. Tom will have prepared the homework.
The homework _____ prepared by Tom.