Simple present: Asking questions - 3

A question sentence can also start with an auxiliary verb.
Some of the most used auxiliary verbs are:
Shall, Will, Should, Would, Could, Can, May

Positive sentence: Question sentence:
I may read a book. May I read a book?
You will go to the park. Will you go to the park?
He should watch his back. Should he watch his back?
She could call her mother. Could she call her mother?
It can fetch a stick. Can it fetch a stick?
We shall talk after class. Shall we talk after class?
You should walk home. Should you walk home?
They may sleep in the guestroom. May they sleep in the guestroom?