1. John ..... (is visiting) his
parents this weekend.
2. He .... (takes) me to school every day.
3. Be quiet. The baby .... (is sleeping).
4. He ..... (always bites) his nails.
5. Water .... (doesn't boil) at 80 C.
6. The bus ..... (leaves) at 6-30 pm.
7. ...... (Is he doing) his homework now?
8. What time .... (do you start) work?
9. He .... (isn't watching) TV now.
10. She ..... (doesn't like) flying
by plane.
11. ..... (Are they leaving) next week?
12. I .... (don't
think) he's in.