Put the verbs into the correct tense form (Past Simple, Past Perfect or Past Continuous).

1. By six o’clock we (to do) our homework and at six o’clock we (to play) computer games.
2. When I (to come) home, my sister (to read) a book which she (to bring) from the library.
3. When I (to look) out of the window, the children (to play) with a ball which Pete (to bring) from home.
4. When I (to see) Ann, she (to sort) the flowers which she (to pick) in the field.
​​