I was wondering if I could...
B2A hesitant but polite way to ask for permission.
May I...
B2A formal way to ask for permission.
Could I...
B2A more informal way to ask for permission.
I'd like to...
B2Expressing a wish, often implies seeking permission.
Please let me...
B2A direct but polite request for permission.
Go ahead.
B2Giving permission.
Certainly.
B2Giving permission, formal.
Of course.
B2Giving permission, informal.
No problem.
B2Giving permission, informal.
By all means.
B2Giving permission, formal and emphatic.
Feel free to...
B2Giving permission, informal.
Please do.
B2Giving permission, polite and encouraging.
That's alright.
B2Giving permission, informal.
I have no objection.
B2Giving permission, formal.
That's perfectly fine.
B2Giving permission, informal and reassuring.
I'm happy for you to...
B2Giving permission enthusiastically.
You're welcome to...
B2Giving permission, informal and inviting.
Be my guest.
B2Giving permission, informal and slightly emphatic.
Please yourself.
B2Giving permission, informal, implies freedom of choice.
Knock yourself out.
B2Giving permission, informal, implies enthusiastic consent.
Have at it.
B2Giving permission, informal, similar to 'Knock yourself out'.
It's all yours.
B2Giving permission regarding an object, informal.
Would you mind terribly if...
C1A polite and formal way to ask permission, implying a slight hesitation.
I hope you don't mind, but...
C1A slightly less formal way of asking permission, expressing hope for acceptance.