Passive voice
1)The professor is examining the students now.
2)They have already reconstructed the building.
3)Why are they laughing at her?
4)They won't invite us.
5)When they heard about the accident,they sent for a doctor immediately.
6)Nobody has ever spoken to me in such a way.
7)No one has seen him anywhere this week.
8)Somebody has invited her to the party.
9)She must do all the exercises in written form.
10)They had done everything before he came.
11)They had already sent the letter.
12)Somebody had informed him of the news before.
13)They are constructing some new Metro lines now.
14)Wait a little.They are examining the last students there.