1. Charlie, don't My sister wants to talk to you.
2. You can't use this lift because it's
3. I can't talk now so tell Carol to
later.
4. Ring the police
5. Is there a(n)
in the station somewhere? I need to
call my dad.
6. I can't come tomorrow because there's been a(n)
Use can, could, may, will or would to ask for permission or make requests