Modal Verbs

You ought to have an annual check-up.

• Obligation

• Prohibition

• Suggestion

• Necessity

You must clean your teeth every day.

• Obligation

• Prohibition

• Suggestion

• Necessity

You need to sleep for at least 7 hours a night.

• Obligation

• Prohibition

• Suggestion

• Necessity

You mustn't smoke here.

• Obligation

• Prohibition

• Suggestion

• Necessity

You don't have to drive me to the station.

• Obligation

• Prohibition

• Suggestion

• lack of necessity

You shouldn't be rude to your mother.

• Obligation

• Prohibition

• Suggestion

• lack of necessity

In the UK, you have to be 17 to get a driving licence.

• Obligation

• Prohibition

• Suggestion

• lack of necessity

Patient should tell their doctor what medicines they are taking.

• Obligation

• Prohibition

• Suggestion

• lack of necessity

Would you help me with my homework.

• Request

• Prohibition

• Suggestion

• Ability

I can't speak French

• Request

• Prohibition

• Suggestion

• Ability