Modal Verbs for Obligation

You have to wear a hemlet.

• Obligation

• Lack of obligation

• Prohibition

You don't have to finish that now.

• Obligation

• Lack of obligation

• Prohibition

You must leave now!

• Obligation

• Lack of obligation

• Prohibition

You must use a key.

• Obligation

• Lack of obligation

• Prohibition

You are not allowed to paint a graffiti there!

• Obligation

• Lack of obligation

• Prohibition

You must hand in the spray cans!

• Obligation

• Lack of obligation

• Prohibition

You didn't have to bring that. Thank you!

• Obligation

• Lack of obligation

• Prohibition

She has to work tomorrow.

• Obligation

• Lack of obligation

• Prohibition

I had to finish my homework last night.

• Obligation

• Lack of obligation

• Prohibition

We won't be allowed to go.

• Obligation

• Lack of obligation

• Prohibition