Put the verbs into the correct form (past perfect progressive)
1. We (sleep) had been sleeping for 12 hours when he woke us up
2. They (wait)
3. We (look for)
bathroom
4. I (not / walk)
5. How long (learn / she)
at the station for 90 minutes when the train finally arrived.
her ring for two hours and then we found it in the
for a long time, when it suddenly began to rain.
English before she went to London?
6. Frank Sinatra caught the flu because he (sing)
7. He (drive)
in the rain too long.
less than an hour when he ran out of petrol.
8. They were very tired in the evening because they (help)
9. I (not/work)
10. They (cycle)
on the farm all day
all day; so I wasn't tired and went to the disco at night
all day so their legs were sore in the evening.