.1. I am writing an English exercise now.
2. I was writing an English exercise at this time yesterday.
3. My little sister is sleeping now.
4. My little sister was sleeping at this time yesterday.
5. My friends aren't doing their homework now. They are playing volleyball.
6. My friends weren't doing their homework at seven o'clock yesterday. They were playing volleyball.
7. She was reading the whole evening yesterday.
8. She is not reading now.
9. Now she is going to school.
10. What are you doing now? — I am drinking tea.
1. When I came home, my little sister was sleeping. 2. When Nick came home, his brother was playing with his toys. 3. When mother came home, I was doing my homework. 4. When father came home, Pete was sleeping. 5. When mother came home, the children were playing on the carpet. 6. When I got up, my mother and father were drinking tea. 7. When I came to my friend's place, he was watching TV. 8. When I saw my friends, they were playing football. 9. When I opened the door, the cat was siting on the table. 10. When Kate opened the door, the children were dancing round the firtree. 11. When Tom was crossing the street, he was fell. 12. When I was going to school, I met my friend. 13. When we were going to the cinema, we met grandmother. 14. When grandmother was going home, she saw many children in the yard. 15. When Henry was walking in the forest, he found a bear cub.
Объяснение:
16th one is incomplete