1) He was in a cafe when I saw him.
2) He was sitting in a cafe when I saw him.
3) My friend came to visit me yesterday.
4) My tooth was broken when I was eating a nut.
5) My friends were discussing something when I came in.
6) My friend was talking to the teacher when I saw him.
7) I haven't seen him since he moved into his new apartment.
8) I was watching TV when the phone rang.
9) My Mom was watching TV when I came back from school.
10) I was sitting on the bank of the river when my friends came.
