Functions

What do these sentences express?

May I have your pen, please?
A) Advice
B) Request
C) Permission
D) Obligation

Will you close that door, please?
A) Permission
B) Request
C) Advice
D) Obligation

You must respect your parents.
A) Request
B) Advice
C) Obligation
D) Permission

Could you mail this letter for me?
A) Request
B) Permission
C) Advice
D) Obligation

You should do it again.
A) Request
B) Permission
C) Obligation
D) Advice

Please, can I go out?
A) Advice
B) Permission
C) Request
D) Obligation

You may use my computer.
A) Advice
B) Permission
C) Obligation
D) Request

Will you borrow me your bike?
A) Permission
B) Obligation
C) Advice
D) Request

Can I have a look at your passport, please?
A) Obligation
B) Permission
C) Request
D) Advice

You ought to revise your lessons regularly.
A) Obligation
B) Request
C) Advice
D) Permission

Parts Of Speech