10. If he (to speak) __ more slowy, Peggy (tounderstand) __ him.
11. If you (study) __ had studied for the test, you (pass)____ would have passed it.
12. If you (ask) __ me, I (help) __ you.
13. If we (go) __ to the cinema, we (see) __ my friendJacob.
14. If you (speak) __ English, she (understand) __.
15. If they (listen) __ to me, we (be) __ home earlier.
16. I (write) __ you a postcard if I (have) __ your address.
17. If I (not/break) __ my leg, I (take part) in the contest.
18. If it (not/ start) to rain, we (walk) to the museum.
19. We (swim) in the sea if there (not / be) so many sharksthere.
20. If she (take) the bus, she (not / arrive) on time.