For probability or expectations.

The coach _______________ be coming soon.

For probability or expectations.

They _______________ reach Japan by noon.

For obligations, duty, or correctness.

Baekhyun ______________ look after the dog with care.

He ______________ procrastinate too often.

She _______________ eat too much.

Should all of us queue up?

Yes, we _______________.

Should the authorities check on dirty food outlets?

Yes, they _______________.

Shouldn't we pluck the fruits now?

No, we _______________.

Shouldn't the school give a school holiday?

No, it _______________.

To express something essential or necessary.

We _______________ take healthy food.

To express logical obligations.

You _______________ abide by the rules.

To express positive logical assumptions.

The road is deserted. Everyone _______________ be at home.

To deduce that something is true (certainty).

Jimin has worked all day. He _______________ be tired.

To give a strong recommendation.

The durian here is delicious. You _______________ try some.

To express prohibition.

We _______________ be ignorant of online learning.

To talk about the present or the future.

They _______________ make so much noise.

Must we drink 8 glasses of water a day?

Yes, you ______________.

Must he drive so fast in the housing estate?

No, he ______________.

Mustn't they be more patient for their turn?

Yes, they _______________.