1. are they at home now?
2. could she have gone?
3. is he working on a new article?
4. is she working at the school for ten years?
5. do you believe his stories?
6. has he spent all the money?
7. are they still sitting in that cafe?
8. she really
likes to visit museums?
9. does he dines for an hour?
10. do they now play football?
11. does she get up early?
12. does he studies architecture of the sixteenth century?