Can,may,must

What...we see on this map?

...I come in?

You.... not smoke here.

...I take your book?

You... not speak loudly in the library

I don't know. He ... be in his office

You ... do it, if you don't want to get a bad mark

She... not speak English, but ... she know German

You... not be here, you... hurt yourself.

I ... drive a car.