Chuyển câu điều kiện
1. He didn't study his lessons carefully, so he gets bad marks now.
Chuyển câu bị động
2. He hasn't told the woman about the party.
3. They aren't going to paint the room.
⇒ Đáp án:
1. If he had studied his lessons carefully, he wouldn't have got bad marks now.
2. The woman hasn't been told about the party.
3. The room isn't being painted.