1. I was walking along the street when I saw Mike.
2. A lot of people were standing near the shop when the police car arrived.
3. I saw him yesterday but he didn't see me.
4. Yesterday at 5.30 she was cooking dinner.
5. What are your plans for tomorrow? I am going to play chess with Deb.
6. He has travelled a lot, but now he likes to stay at home.
7. I am sorry, i have not returned the book yet.
8 .I returned the book three days ago.
9. She has been living here for three years.
10. It has been famous for hundred years.