Question

complete the sentences with the Past Simple,Past perfect simple,past perfect progressive of the verbs in brackets.
1 we(wait) for half an hour when the bus finally(arrive)
2 by the time the children(come)home, i already(prepare)diner
3 after they (drive)for two hours,they (realise)they were going the wrong way.

Answer 1

1. We were waiting for half an hour when the bus finally arrived.
2. By the time the children came, I had already prepared dinner.
3. After they were driving for two hours, they realised they were going the wrong way.