Respuesta:
1) You was not painting the walls of his house yesterday.
2) Mavis was not riding a horse when she broke her arm.
3) The two men were not carrying heavy boxes yesterday afternoon.
4) I was not dreaming when you wake me up.
5) Larry was not cleaning his teeth at 7 yesterday.
6) They were not working when I came in.
7) The dog was not sleeping on the bed last night.
8) Mr Green was not cutting my hair at 5 yesterday.
9) It was not getting cold when I closed the window.
10) The family were not having cold the lunch when the postman came.
Espero haberte ayudado.
