Infinitive with "to" or without "to"

to V1 / V1

1. You must (meet) him.
2. I want (tell) you a secret.
3. We should (help) them.
4. They can (have) another biscuit.
5. We will (wait) for you.
6. He has (get) up early.
7. May I (watch) the film?
8. They would not (do) this.
9. I would like (go) shopping in the afternoon.
10. She doesn't (play)football.