1. She ..... (to feel) pretty sick yesterday.
2. I ..... (to stop) at the end of the road.
3 They ....... (to visit) Italy many times.
4 While they ..... (to walk), they heard a strange noise.
5. My bike ...... (to break) down, so now I have to walk to school.
6. I ...... (to breath) very strongly, when I ran up that hill.