Give the correct tense of the verbs in brackets.
1. There(be)__________ten more classrooms in our school next year.
2. Mai(be)_____________sick for two days.
3. I(have)_____________to go to the dentist's last Sunday.
4. The children(play)______________football in the schoolyard every Sunday morrning.
5. They(not tell)____________________us about their plan last week.
6. They(build)_________________many bridges in the region last year.
7. Listen! I think the telephone(ring)______________.
8. He(be)______________absent from class since last Friday.
9. We(go)____________for a picnic to the Cuc Phuong National Park last month.
10. ''Romeo and Juliet'' written by Shakespeare is the best tragedy I(ever/see)____________.