Put the verbs into past continuous, past perfect, past simple. 1) the browns (leave) for moscow a month ago. 2) boys (ride) their bikes at 4 o'clock yesterday. 3) we (arrive) at the theatre before the performance (begin). 4) sam (do) his homework from 5 to 6. 5) when i (phone), ann already (clean) her parrot's cage. 6) the old lady (water) the flowers at that time. 7) tom (change) his mind by that time.
2)rode
3)arrived began
4)did
5)phoned cleaned
6)water
7)changed