Объяснение:

1. I have played the piano for five years, and then I changed instruments.

2. Have you tidied your room yet?

3. This writer wrote her first book ten years ago.

4. I have already seen this film, so I don't want to watch it again.

5. Tony hasn't won a music competition yet, but we're hoping he will.

6. I saw my friend Nita at the music festival yesterday.

7. Did you be at the classical music concert las week?

8. Nick and Peter have just driven into town.

2.

1. I've already seen the new exhibition.

2. Ted came home from school five minutes ago.

3. Have you gone to the new clothes shop in town yet?

4. My parents have found a new house to move to yet.

5. You've missed Ben — he's just driven off!

6. I rode my new bike to school yesterday and it was great.

7. Have you done your homework yet?