l. The rule
was explained to the students by the teacher.
2. He is
often laughed at by them.
3. He was
being listened to by nobody.
4. The
successful performance of the young actress will be talked much about by
people.
5. You
can't watch the film now. The film cannot be watched now by you. The TV set is
being fixed by the mechanic.
6. All the
advertisements were looked through very attentively by us.
7. The house
has been repaired lately by John.
8. All the
business letters will have been answered by noon by me.
9. Is the floor
being washed by her? No, she has already washed it.
10 The birthdays
have been celebrated recently by my schoolmates.