Request

Question 1

Request with modals

Answer 1

Can I
Could you
Is it OK if
Do you mind if ( present )
Would it be all right if ( simple past)
Would you mind if ( simple past)
Would you mind ( ing )
I was wondering if you could

Question 2

Indirect request

Answer 2

Statements (simple message, sentence) I need to use tell and that
Request (ask for a flavor) I need to use tell or ask
Yes/no questions I need to use ask if
Wh questions I need to use ask