You ..... shout in the classroom.
mustn't
Baby Gema is only four months old so she ..... walk.
can't
It is raining, so he ..... work in the garden today.
Can't
Anne is an excelent swimmer. She ..... swim very fast.
can
Students ..... revise the materials before exams.
must
You ..... smoke in hospitals. It's totally forbidden!
mustn't
How ..... I get to Oxford Street from here, please?
can
+ ..... they have some ice-cream for dessert? - I'm afraid they ..... because there isn't any.
Can / can't
You ..... cross when the light is red.
mustn't
... I borrow some money, please?
Can
It's getting late. We ... go now.
must