He was doing his homework when I called him
I watched TV when I heard the phone ring.
(A) Did you watch the movie? (B) Yes, I was.
(A) Were you and John studying? (B) Yes, we were.
When I (phone)her, she was doing her homework.
She was talking to Luke when Peter (come) in
It (rain) when he left the house this morning.
When I (see) them, they (go) to the sports center.
I wasn't sleeping when while( when, while ) he came back
I found your keys when while( when, while ) I was tidying the living room
We were having lunch when while( when, while ) the fire started.
when while( when, while ) I walked into the room, David was reading my diary.
Jack woke up at 7.00 am yesterday. His dad and mum (sleep)__ . His sister to music in bed. His pet mice (eat). The postman (delivery) letters.