If Tim had seen the film, he could tell you about it.
If Jamie weren't so good at Math, he wouldn't have passed the test without revising.
If I had got your message, I would know about your party.
If our parents hadn't used to be very good friends, we wouldn't be good friends as well.
If Paul hadn't failed his exam, he wouldn't have to take it again.
If Lucy weren't proud, she wouldn't have rejected their help.
If I were very fit, I would have gone mountain climbing.
If Jane didn't have a bad eyesight, she would have noticed you at the theatre.
If he hadn't used to smoke a lot, he wouldn't have problems with his lungs now.
If I hadn't eaten too much cake at the birthday party yesterday, I wouldn't have a stomach ache.