Simon (go) to London next week if he (get) a cheap flight.
will go, gets
Susan (can) move into her new house if it (be) ready on time.
will be able to, is
If you (heat) water, it (boil).
heat, will boil
If I (find) your ring, I (give) it back to you.
find, wil give
If Betty (have) time in the afternoon, she (go) shopping.
has, will go
If it (rain) today, I (have / not) to water the plants.
rains, won't (will not) have
If you (smoke), you (die).
smoke, will die
If we (practise) hard, we (improve) our English.
practise, will improve
She (be able / not) to sleep if she (watch) this scary movie.
will not (won't) be able, watches
If she (not / study) harder, she (pass / not) the exam.
doesn't study, won't (will not) pass
If you (send) this letter now, she (receive) it tomorrow.
send, will receive
If I (eat) a lot, I (be) fat.
eat, will be