Question

A)Exercise on Past Perfect Progressive
--Put the verbs into the correct form (past perfect progressive)
1) We (sleep)..........for 12 hours when he woke us up.
2)They (wait)........ at the station for 90 minutes when the train finally arrived.

Answer 1

Respuesta:

1) We had been sleeping for 12 hours when he woke us up.

2) They had been waiting at the station for 90 minutes when the train finally arrived.