1. Let him (come) again tomorrow.
2. Do you allow them (to smoke) in here?
3. I stopped for a moment to (speak) to him.
4. He is not yet used to (operating) this machine.
5. I need (to see) Dr Smith at once.
6. This machine needs (being attended) to.
7. I couldn't help (making) such a mistake.
8. It's no use (telling) him to be careful.
9. Don't let it (fall), it's very brittle.
10. He came down to tea after .(washing) his face.