Какое время нужно поставить

1) When I came my sister (to clean) the room.

2) While I (to watch) TV he was reading.

3) When he (to come) I was sweeping the floor.

4) When I saw him he (to make) his bed.

1 When I came my sister was cleaning the room.

2 When I watched TV he was reading.

3 While I was watching TV he was reading.

4 When he came I was sweeping the floor.

5 When I saw him he was making his bed.

Все предложения составлены в Past Continuous