1. I am very happy when I saw him yesterday.
2. She hopes now that the weather would be fine tomorrow.
3. The ship will be in the open sea when the storm breaks out.
4. Last week he found a kitten in the street. He saw that it would be absolutely helpless.
5. My uncle, who is living in the USA now, offered me to pay for my studying.
6. This time next week I will lie on a beach.
7. Sam never thought to go to medical school.
8. When Sally got to the station last week, she realized that she will be too late. The train already left.
9. As a rule she runs in the park every day.
10. Look! He is trying to find his watch. He losed it.
11. Mother just made some sandwiches. You liked some?
12. Two days ago Sam wrote her a letter and sent at once.
13. You ever been to Cayman Isles?
14. Don’t tease the dog! It will bite you.
15. Last night we didn't want to disturb our parents as they had a rest.
16. His grandparents just returned from the USA.
17. I don't jnow where, my sister is now. Maybe she is sitting in the garden.
18. Don’t you think that marriage doesn't change her? She still stay the same.
19. She will give him your message tomorrow, as soon as she saw him.
20. Look at this child! He have noteced everything immediately.

Вот, но, я не уверен во всём. Могут быть ошибочки