11. If we (play)................. better in the match last week, we (win)......................
12. If I (be)................... you, I (accept).................... their invitation.
13. We (have) .................a wonderful vacation last Sunday if it (not rain)............... so hard.
14. If I (go) ............to the party last night, I (see)................ Ann.
15. If he (be)................ here now, he (help).................... us.
16. If I (know)................. you were ill last week, I (go)................. to see you.
17. I (not be)............... able to buy that car if Jim (not lend)............... me the money.
18. The accident (happen)............ if the driver (not stop).............. in time.
19. If a snake (bite)........ .......................... you, what .....................you (do)...............?