Underline tense in the following sentences.
1. After he (had explained/ had been explaining) to me, I forgave him.
2. When the rain finally came, the river (dried/ had already dried) up.
3. The boy (had asked/ was asking) for a teacher’s permission before he went out.
4. My neighbour’s dog (had barked/ had been barking) the whole of last night.
5. The security guard (was checking/ had checked) the factory when he discovered the
theft.
6. The hikers panicked because they (lost/ had lost) their way.
7. He (was working/ had been working) in the company for ten years before he resigned.
8. By noon the driver still (did not report / had not reported) for work.
9. Jane (had cried/ was crying) when I saw her at the station.
10. I (was receiving/ received) a parcel from England yesterday.