раскрой скобки и поставь где нужно Past Progressive и Past Simple

1 The children ________________(to swim) in the lake when ________( to see) them.

2 I_________________(to work) in the garden when he _________(to come) to see me.

3 They_________________(to walk) in the park when it _____________(to begin) to rain.

4 I ______________(to make) a snowman while they ____________(to skate).

5 She ___________( to speak) with a teacher when I ___________( to come) up to her.

6 We ___________( to clean)the rooms while mum ____________(to cook ) dinner.

7 Tim ____________(to ride) his bike when he ________(to see) a little kitten.

8 Nick _________(to sleep) when the telephone __________(to ring).

9 While Helen _________(to clean) the window, she _________(to see) me.

10 Peter _________(to wash ) the dishes when he __________(to break) a cup.

1)were swiming,saw2)was working,saw,3)were walking,began,4)made,was skating,5)was speaking,came up,6)cleaned,was cooking,7)was riding ,saw,8)was sleeping,rang,9)was cleaning,saw,10)was washing,broke.