A.1. If I came home later I would have very little free time.2. If he had known my adress he would have come to my place (так и просится дальше: and smash my face).3. I was not well prepared for the examination. I wish I had learnt the material better.4. If I had seen you yesterday I would have given you the money I owe you.5. If I had known that you needed my help I would have helped you at once.6. If I were in your place I would act differently.7. If I had a computer I would play games and do nothing else.B. 1. I would be late for the lesson, if I missed the bus.2. I would have come to you, if I had had an opportunity to do it.3. I would have given you my text-book, if I hadn't left it at home.4. I would have helped you if I had known how to do it. 5. I wouldn't buy the book if I knew that it was boring.6. It would be better if I had more time to work at my self-improvement. Пара комментариев по примерам под буквой B. (под A сами подумайте по аналогии, где настоящее, а где прошедшее анриал).1, 5, 6 примеры — Нереальное настоящее — условие уже не выполнится, т.к. упущен шанс в прошлом; либо его выполнение нереально/маловероятно в будущем (напр., если бы я был президентом, то я бы…). Главное: would (not)+ глаг. В инфинитиве без toПридаточное: If… глаг. В Past simple2, 3, 4 пимеры — нереальное прошедшее — предположение о другом варианте развитий событий в прошлом или сожаление о чем-то (вот если бы я оделся тогда потеплее, то потом не заболел бы). Главное: would (not)+have+ глаг. В Participle II. Придаточное: If… глаг. В Past Perfect.