1.They want TO go to the cinema.
2. I'd like TO have a dog.
3. May we _ come in?
4. You must _ meet him.
5. They can _ have another biscuit.
6. I would like TO go shopping in the afternoon.
7. They didn't let me _ do it.
8. I forgot TO do it.
9. You had better _ read a book than watch this film.
10. I heard Peter _ sing a song.