If I had known it was your birthday, I (buy) you a present. 3 If I were you, I (write) a letter of complaint to the company 4 If I hadn't got stuck in traffic, I (not/miss) the train. 5 if we had been invited to the wedding, we 6 If you didn't have to work on Saturdays, we (go). (visit) your parents more often. (design) 7 If I were an architect, I my own house 8 If you had studied harder, you (not/fail) your exams 9 If you had told him the truth, he 10 If we had a garden, we (grow) our own vegetables. (forgive) you.