Can I ...?
A2Used to ask for permission to do something.
May I ...?
A2A more formal way to ask for permission.
Is it okay if I ...?
A2A polite way to ask for permission.
Do you mind if I ...?
A2A polite way to ask for permission, often implying a small request.
Could I ...?
A2A polite way to ask for permission, slightly more formal than 'Can I'.
Would it be alright if I ...?
A2A very polite way to ask for permission.
I'd like to...
A2Expressing a desire, often implying a need for permission.
It's okay to...
A2Giving permission.
You can...
A2Giving permission.
Go ahead.
A2Giving permission.
Yes, you may.
A2Formal way of giving permission.
Yes, please.
A2Giving permission in response to a request.
Sure.
A2Informal way of giving permission.
All right.
A2Giving permission.
That's fine.
A2Giving permission.
No problem.
A2Giving permission readily and easily.
Feel free to...
A2Giving permission and encouraging action.
Help yourself.
A2Giving permission, particularly for taking something.
You're welcome to...
A2Giving permission in a welcoming manner.
Of course.
A2Giving permission enthusiastically.
May I?
B1Politely asks for permission.
Could I?
B1Politely asks for permission.
Would you mind if...
B1Politely asks for permission.
Do you mind if...
B1Asks for permission, slightly less formal.