L30 - Can I...? Requests & Permission

We use polite words many times every day.
At school, I ask if I the window.
My teacher always says yes.
At lunch, my friend asks to my pen.
I say because I have only one pen.
At home, my brother asks if he watch TV.
My mother asks him to until after dinner.
At the shop, I ask the assistant to me.
She is always happy to .
On the train, a man asks if he sit next to me.
A woman asks me to the door.
Polite words every door!