Modal Auxiliary Verbs

You ______ (can / could) play the piano very well when you were a child.

• can

• could

I ______ (must / have to) finish my homework before I go out.

• must

• have to

She ______ (can / might) help you with your project later.

• can

• might

We ______ (should / must) visit our grandparents this weekend.

• should

• must

They ______ (may / might) go to the party if they finish their work.

• may

• might

He ______ (could / can) speak three languages fluently.

• could

• can

I ______ (should / must) see a doctor if I’m feeling sick.

• should

• must

You ______ (might / should) wear a jacket; it's cold outside.

• might

• should

She ______ (can / may) stay out until 10 PM tonight.

• can

• may

We ______ (must / can) leave early to avoid the traffic.

• must

• can