Rewrite these sentences. instead of using 'somebody' or 'they', write a passive sentence (in present or past perfect).

1. somebody has cleaned the room. – the room
2. they have postponed the concert. the
3. somebody had repaired the computer by the moment they came. the computer
4. i didn't realise that somebody had recorded our conversation. i didn't realise that
5. when we got to the stadium, we found that they had cancelled the game. when we got to the stadium, we found that

1. Somebody has cleaned the room.

The room has been cleaned.

2. They have postponed the concert.

The concert have been postponed.

3. Somebody had repaired the computer by the moment they came.

The computer had been repaired by the moment they came.  

4. I didn't realise that somebody had recorded our conversation.

I didn't realise that our conversation had been recorded.

5. When we got to the stadium, we found that they had cancelled the game. When we got to the stadium, we found that the game had been cancelled.