He would be very pleased if you invented him for the party
If I knew the answer, I would have told you
If they arrived early, we would go to the cinema
If you bought a car a year ago, it would cost you much less than now
If Sam didn't visit her yesterday, she would be very angry
If the weather had been nice yesterday, I would have gone for a walk
If I had known that Martin was ill, I would have visited her
If you had seen the film, you would have enjoyed it
If Jane had waited she would have found me
If you had called him, he would have come
I wouldn't have gone out If I hadn't received her phone call
If the hadn't been lazy, they would have passed the exam
Laura would have won the prize, if she had trained more