Learn Modal Verbs

Can

Function

Ability, permission, possibility

Example Sentence

She can speak three languages fluently.

Could 

Function

Past ability, polite requests, possibility

Example Sentence

She can speak three languages fluently.

May

Function

Permission, possibility, formal requests

Example Sentence

You may leave the room now.

Might

Function

Possibility, less certain than “may”

Example Sentence

It might rain later in the evening.

Shall

Function

Formal suggestions, offers, future actions (formal contexts)

Example Sentence

Shall we go for a walk after dinner?

Should

Function

Advice, obligation, probability

Example Sentence

You should visit the doctor if you feel unwell.

Will

Function

Future actions, promises, willingness

Example Sentence

I will call you tomorrow without fail.

Would

Function

Polite requests, hypothetical situations, habitual past actions

Example Sentence

Would you like a cup of tea?

Must

Function

Strong obligation, necessity, deduction

Example Sentence

You must wear a helmet while riding a bike.

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