1. The teacher is not closing the door.
2. Are you doing the washing-up ?
3. They are checking the printers.
4. Is your grandmother looking at birds?
5. We are not passing the checkpoint.
6. Are they trying to help?
7. She is not walking to the center of the town.
8. Are the policemen running into the bank?
9. Look! Steve's mother is making a Frappuccino.
10. You are not matching the words correctly.
