1)I was watching a YouTube video when she called me last night.
2)You were walking in the park when I met you.
3)She was cooking dinner when her parents arrived.
4)He was talking on the phone when she drove.
5)They were arguing when I saw a puppy.
6)We were eating when she arrived.
7)I was cleaning the house when the postman came.
8)He was watching TV when the children slept.
9)The dog was playing with the ball when the cat ate.
10)She was wearing a dress when the party started.
11)We were going to the concert when the rain started.
12)He was playing football when I talked with my friend.
13)She was waiting the bus when I talked on the phone.
14)She was going to Mexico when the storm started.
15)We were watching a movie when she stayed home.
:D
