1. Last summer we lived in the country and went to the river every day.
2. My sister spent a lot of money yesterday.
3. She is so upset: she has lost the key to the front door.
4. By the 1st of September all the children had returned from the country.
5. Columbus discovered America 500 years ago.
6. Columbus didn't know that he had discovered America.
7. I already have read five English books.
8. He had discussed the problem with a lot of people before he took a decision.
9. Mother baked a delicious cake! Sit down at the table and let's eat it!
10. She was reading an English book the whole evening yesterday.
11. I've never been to Greece.
12. They told me yesterday that you had got an excellent mark.
13. When have you received a letter from your friend? 14. Our grandmother was cooking dinner from twelve till three yesterday. 15. Look! What beautiful flowers she bought! 16. They travelled along the coast of Africa last year. 17. We haven't seen each other for ages. 18. They ate all the apples which I had brought. 19. When the children have dinner, they will go for a walk. 20. Have you ever been to the Niagara Falls? 21. At this time yesterday they were sitting on the sofa and listening to their grandmother who was telling them fairy tales. 22. My friend just rang me up from London. 23. I was standing at the tram stop when, it began raining. 24. We haven't skated since last winter.