Ex1
1. I'm told
2. She's given
3. We were answered
4. He'll be shown
5. You were taken
ex2.
1. was answered
2. will be done
3. was sent
4. are built
5. will be finished
ex3
1. will help
2. was bought
3. will be brought
4. writes
5. was broken
6. are liked
7. are gathered