CONDITIONALS ZERO/FIRST/SECOND
20. We (help)
you if we (know)
how.
21. If we have / nol)
time this afternoon, we (meet)
tomorrow.
22. If they (tell)
their mother, she
(be) very upset.
23. He (talk)
to her if you (want / not)
to do it.
24. If !
(be) twenty years younger !
(make) a trip
round the world.
25. L
(come) and
(see) you when
(have)time.
26. You (win / not)
the game if you know / not)
the
rules.
27. You
(pass) the test if you
(study) hard.
28. If Margaret
(invite) John to the party, I'm sure he
(come).
29. As soon as dinner
(be) ready. I
lgne) you
a call.
30. You
(get) wet if it
(rain).
31. If
(speak) Chinese, I
(visit) without an
interpreter.
32. We
(not go) here until she
loet) home.
33.1
(feel) better ifl_ (stop) smoking, but I just can't
34. If
(come) home earlier,
(prepare) dinner,
(break) a wrist, it
(be) very painful.
36. You
(not / finish) the race unless you
(control)
35. If you
your effort.
37. If you
(freeze) water, it
(become) a solid.​