1. Употребите глаголы, данные в скобках, в Past Perfect и переведите пред¬ложения на русский язык:
Образец: If I (to have) time yesterday, I should have gone to the party.
If I had had time yesterday, I should have gone to the party. - Если бы у меня было время вчера, я бы пошел на вечер.
1) If I (to receive) your message, I should have come at once.
2) If he (to have) your address, he would have written to you.
2. Употребите Past Indefinite (Simple) после союза if, сделав соответствующие изменения в главном предложении. Переведите предложения на русский язык:
Образец: If John comes, he will help us.
If John came, he would help us. - Если бы Джон пришел, он бы помог нам.
1) If I don't have to study, I shall go to the movie with you.
2) If you turn out the lights, we shall be in the dark.
3. Употребите Past Perfect после союза if, сделав соответствующие изменения в главном предложении. Переведите предложения на русский язык:
Образец: If John comes, he will help us.
If John had come then, he would have helped us.
1) If I have no time this week, I shall not be able to join your ex¬cursion.
2) If she sits in the sun too long, she will get sick.