The key to exercise solutions in chapter Unit 39 - If I knew ... / I wish I knew ... for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press
Question
Write a sentence with if … for each situation.
Answer
If you didn’t live so far away, we’d see you more often.
I'd buy it if it weren't / wasn't so expensive.
We'd go out more often if we could afford it.
If I didn't have to work late, I could meet you tomorrow. / I'd meet / I'd be able to meet you tomorrow.
We could have lunch outside if it weren't raining I wasn't raining.