Complete the conversations with the correct form of the verbs.
1 A What 1 were you doing when I (arrived) just now?
2 B Tammi з (is playing) the piano and we 4 (are painting) in the kitchen.
A I thought the phone 5 (was ringing).
B I don't think so. We 6 (have not heard) anything.
2 A How 7 (did your brother take) this blurred photo of a horse?
B He 8 (was waiting) for the right moment, when someone 9 (walked) into him.
A And then what 10 (happened)?
B While | 11 (was helping) him, the horse 12 (ran away)!