с упражнением.Надо перевести предложения используя сослагательное наклонение (subjunctive mood)
1) Вы так загорели, как будто провели на юге не месяц, а целое лето.
2) Жаль, что вы пришли так поздно.
3) Я теперь жалею, что последовал его совету.
4) Не пора ли им прекратить эти шутки?
5) Да перестань же перебивать меня!
6) Даже если бы вы меня и предупредили, я вряд ли смог бы прийти проводить вас.
7) Он бежал так быстро, словно за ним кто-то гнался.

11. He wasn't sleeping when father came home. He was doing his homework.

Он не спал, когда папа пришёл домой. Он делал свою домашнюю работу.

wasn't sleeping (не спал) - не спал в тот конкретный момент. Возможно, он спал почти всё время до прихода отца и даже лёг сразу после, но вот в конкретный момент прихода папы домой - не спал (и делал свою домашнюю работу).

12. When I was going to school the day before yesterday, I met Mike and Pete. The were talking and laughing. They told me a funny story. Soon I was laughing, too. I was still laughing when we came to school. After school I told this story at home. My father and mother liked it very much.

told - рассказал. Тут не описано, сколько времени занял процесс рассказа этой смешной истории, но известно, что история была рассказана.

13. When we were in the country last summer, I went to the wood one day. In the wood I found a little fox cub. It could not run. It injured its leg. I decided to help the cub. I brought it home. Every day I fed it and took care of it. I was doing it the whole summer. Now the fox cub is quite well. It left my house. It lives in the woods again.

1. His brother is cleverer than his sister.

His sister is more stupid than his brother.

2. My aunt is more optimistic than my mother.

My mother is more pessimistic than my aunt.

3. She is meaner than her brother.

He is more generous than his sister.

4. Her granny is kinder than her father.

Her father is more strict than her granny.

5. Coffee has a stronger taste than tea.

Tea has a more mild taste than coffee.

6. Online banking is more convenient than cash machines.

Cash machones are more inconvenient than online banking.

7. A dolphin is more beautiful than a crocodile.

A crocodile is more ugly than a dolphin.

8. A lemon is sourer than an orange.

An orange is more sweet than a lemon.

9. It is wetter in October than in March.

In March is more dry than in Octoberm