PERMISSION and OBLIGATION

You ... smoke in this area.

• can

• can't

• have to

He ... wear a uniform.

• can't

• can

• have to

• has to

He ... to wash his shirt.

• can't

• can

• have to

• has to

He ... keep his room clean.

• can't not

• can to

• have to

• has to

She ... wear any clothes she likes..

• can't not

• can

• have to

• don't has to

The students ... wear uniforms.

• can't

• can

• have to

• has to

He... get up at 5:00 a.m.

• can't

• can

• have to

• has to

I ... use swear words.

• can't

• can

• have to

• has to

He ... stay in bed late.

• can't not

• can

• have to

• don't has to

You ... drink here.

• can't

• can

• have to

• don't has to