I .. (understand) Mr Brown if he .. (speak) slowly. But he doesn't.
would understand, spoke
I .... (not go out) next Saturday if our teacher gives us a lot of homework.
won't go out
If he ... (promise) to behave well, his mum ... (forgive) him.
promises / will forgive
If he ... (not know) a word, he always ... (check) a dictionary.
doesn't know / checks
If you ... (need) help with your car tomorrow, my father ... (help) you.
need, will help
I ... (finish) the job tomorrow if I ... (can).
will finish, can
If we ... (can) come on Sunday, we ... (come). I'm really sorry we can't.
could / would come
If they ... (catch) a bus now, they ... (arrive) at half past nine.
catch / will arrive
I often get bored when I .... (watch) sport.
watch
He ... (lose) weight if he ... (stop) eating so much. However, it's only an imagination!
would lose / stopped
If I ... (go) on a boat, I always ... (feel) sick.
go, feel
If I ... (think) that about him, I ... (say) so aloud. But I don't actually.
thought / would say
If you ... (heat) water until it reaches 100 degrees, it ... (boil).
heat / boils
We ... (have) a picnic if the day ... (be) fine.
will have, is
If I ... (see) Peter, I ... (tell) him your news.
see, will tell
You ... (make) a fortune if you ... (take) my advice. Too bad that you never listen to me!
would make, took
If she ... (want) to talk to me, she ... (call). But she never does.
wanted, would call
I ... (not need) an umbrella if it ... (not rain).
won't need / doesn't rain.
Meg sleeps only 5 hours a day. If she ... (sleep) longer, her health ... (improve) fast.
slept, would improve
Life ... (be) boring if we ... (have) nothing to do. It's great it isn't so!
would be / had
She ... (get) fit if she ... (walk) at least 3 km a day. But she's too lazy.
would get / walked
If you ... (freeze) water, it ... (turn) to ice.
freeze, turns