1. What are you doing here? I am waiting for a friend.
2. Does he speak French? Yes, he speaks French well.
3. Someone is knocking at the door.
4. The students are writing a dictation there.
5. The man who is reading a book is our English teacher.
6. It is not raining.
7. He is looking for a key.
8. He is doing his homework.
9. We usually watch TV One but tonight we are watching TV Two for a change.
10. Sam is playing ball.