се
1 he - (swim) when he _ (see) the shark.
2 they _ (meet) while they — (walk) near
the river.
3 peter — (have) an accident while he — (ski).
41 - (not wear) a cycle helmet when i -
(fall off) my bike.
5 they —(not sleep) when we — (phone)
them.

1 - He was swimming when he saw the shark.

2 - They were meeting while they walked near the river.

3 - Peter was having an accident while he skied.

4 - I wasn't wearing a cycle helmet when I

fell off my bike.

5 - They weren't sleep when we phoned

them.

Объяснение: