Напишите предложения три раза, образуя условные предложения 1,2 и 3 типов.

1) If it (to rain), we (to stay) at home.

2) If my sister (not to go) to the south, we (to spend) the summer in St. Petersburg together.

3) He (not to phone) you if I (not to remind) him to do it.

4) If you (to let) me know, I (to bring) you this book.

5) If he (to come) to our house, he (to meet) his friend.

1 If it rains, we will stay at home.

If it rained, we would stay at home.

If it had rained, we would have stayed at home.

2 If my sister doesn't go to the South, we will spend the summer in St. Petersburg together.

If my sister didn't go to the South we would spend the summer in St. Petersburg together.

If my sister hadn't gone to the South, we would have spent the summer in St. Petersburg together.

3 He won't phone you, if I don't remind him to do it.

He wouldn't phone you, if I didn't remind him to do it.

He wouldn't have phoned you, if I hadn't reminded him to do it.

4 If you let me know, I will bring you this book.

If you let me know, I would bring you this book.

If you had let me know, I would have brought you this book.

5 If he comes to our house, he will meet his friend.

If he came to our house he would meet his friend.

If he had come to our house, he would have met his friend.