Question

11. They (go) to the theater tonight.

12. He (stay) here until you return.
13. The light went out while I (read) a
newspaper.
14. I (write) the letter before he arrived.
15. They (play) since four O'clock.
16.If I weren't so tired, I (go) for a walk with
you.
17. Many people (kill) in the last World War.
18. I shall telephone you when he (come)
back.
19. I (have) my hair cut whenever it gets too
long.
20. They just (arrive) from New York.
21. We (wait) on the platform since three

Answer 1

11.they will go to the theater tonight

12.he will stay here until you return

13.the light went off while i was reading a newspaper

14. I will write the letter before he arrived