Question

Passive: Two books are written by her. (Incorrect)
Active: Did he buy a car?
Passive: Had a car bought by him? (Incorrect)
Active: Boys were singing songs.
Passive: Songs were sung by boys. (Incorrect)
Active: He had collected stamps.
Passive: Stamps were being collected by him. (Incorrect)
Active: They will arrange the party.
Passive: The party can be arranged by them. (Incorrect)
Active: She cleaned the table with a feather duster.
Passive: The table was cleaned by a feather duster. (Incorrect)
Please Change these into correct passive form for me.
Active: Sing a song.
Passive: Let a song be sing. (Incorrect)
Active: Where can you hide this box?
Passive: How can this box be hidden by you? (Incorrect)

Answer 1

Answer:

1.Was a car bought by him?

2.Songs were being sung by the boys.

3.Stamps had been collected by him.

4.The party will be arranged by them.

5.The table was cleaned by her with a feather duster.

6.Let a song be sung.

7.Where can this box be hidden by you?