1 We swam in the river last summer.

2 My friend didn't ring me yesterday.

3 Where did go yesterday?

4 I met my friend when I was buying ice-cream in the shop.

5 Ann was sleeping when her mother left the flat.

6 Sam was doing his homework at 5 p.m.yesterday.

7 When we entered the theatre,the play had already begun.

8 After Vika had drawn the picture , she showed it to me.

9 My granny had baked the cake by 11 a.m.

10 When I entered the kitchen, my cat was sitting on the table.