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