1) They were working in the library at 3 pm yesterday.
2) We will visit our grandparents next Saturday.
3) I thought I would play with my sister the next day if I came home earlier.
4) Granny looks pretty sick. I think she must go to a doctor.
5) We have already sold our flat. I think we will live with our parents next month.
6) Sam would have helped his brother if he had not been so busy at school.
7) Since their first meeting the girls have been the best friends.
8) My granny is working in the garden at the moment.
9) The tasty cake had been cooked by mum before 6 pm yesterday.
10) The flowers will be planted by my sister tomorrow.
Объяснение: