8. If you (understand) Mr. Brown if he
(speak) slowly. But he doesn't.
(see) a policeman, he always can
(show) you the way.
9. I
(finish) the job tomorrow if I
(can).
10. If I
(go) on a boat, I always
(feel) sick.
11. You
(make) a fortune if you
(take) my advice. Too bad that
you never listen to me!
12. I
(not need) an umbrella if it
(not rain)
13. If they
(catch) a bus now, they
(arrive) at half past nine.
14. If he
(not/know) the word, he always
(look) in a dictionary.
15. She
(get) fit if she
(walk) every day 3 km. But she is too lazy.
16. If I
(think) that about him, I
(say) so aloud. But I don't actually.
17. If he
(promise) to behave well, his mum
(forgive) him in some
time.