my / no, / borrow / can / headphones / can't / you /
No, you can't borrow my headphones.
phone / use / I / may / it / your / ?
May I use your phone?
I / ask / a / to / question / you / can ?
Can I ask you a question?
open / do / you / window, / could / please / the?
Could you open the window, please?
you / could / of course / yes, / may
Yes, of course you may.