1. He was ice skating from 2 pm to 5 pm yesterday.

2. She was reading the whole evening yesterday.

3. He was writing an article the whole week.

4. He was recounting his trip to India for two hours yesterday.

5. We were working on this issue for three months.

6. He was sitting in a cafe, when I saw him.

7. My friend was talking to a teacher, when I approached him.

8. She was playing the piano while I was writing a letter.

9. He was walking to the university, when I met him.