1. He had not come at the time when he was wanted.
2. The rain stopped a few minutes ago.
3. I insisted on his going away.
4. The boy must have a companion to play with.
5. Bring me a chair to sit on.
6. the horse was beaten with a whip.
7. I came once this morning.
8. He bought two newspapers last night.
9. I heard him say so.
10. You had better not stay here for too long.