The key to exercise solutions in chapter Unit 38 - If I do ... and If I did ... for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press
Question
Write sentences beginning If … .
Answer
If we caught the 10.30 train, we’d arrive too early.
If he did his driving test now, he'd fail (it).
If we stayed at a hotel, it would cost too much.
If she left her job, she wouldn't get another one.
If we invited Ben (to the party), we'd have to invite his friends too.
If I told him what happened, he wouldn't believe me.