Past indefinite or past continuous? 1. i (have dinner when he (come). 2.they (play) tennis when we (see) them. 3.i (see) this beautiful picture at the shop window when i (go) to school yesterday. 4.we (call) spirits at night when the door (open) ,

1. I was having when he came. 2. They were playing tennis when we saw them. 3. I saw this beautiful picture at the shop window when I was going to school yesterday. 4. We were calling spirits at night when the door opened.