3 12.6.9 Put the verbs in brackets into the past perfect or the past perfect continuous.
1 How long before the rescue team arrived? (had you been waiting)
2 The hikers (had drunk) all their water by the time they reached the village.
3 They for two hours before the storm started. (had been walking)
4 Nagima felt relieved she (had survived) such a frightening experience.
5 Why (hadn't you checked) the weather forecast before you left?
6 The rescue team (had been searching) for so many days that they began to lose hope.
