MODAL VERBS

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MODAL VERBS

Learn the

BASIC RULES

CAN COULD BE ABLE TO

ABILITY

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100% MUST 90% SHOULD50% MAY / MIGHT / CAN / COULD 0% CAN / COULDN'T

PROBABILITY

SHOULD OUGHT TO HAD BETTER

ADVICE

MUSTN'T CAN'T

PROHIBITION

MUST HAVE TO NEED TO

OBLIGATION

NOT HAVE TO NEEDN'T

LACK OF OBLIGATION

CAN COULD MAY

PERMISSION

CAN COULD WOULD

REQUEST

Modal Verbs

WILL

MUST

CAN

OUGHT TO

MIGHT

HAD BETTER

NEED TO

WOULD

MAY

SHOULD

SHALL

COULD

HAVE TO

List of modal verbs

I am able to play the piano while I'm singing

I could play the piano when I was 8 years old

I can play the piano

BE ABLE

COULD

CAN

ABILITY

Would you open the window?

Could you open the window?

Can you open the window?

WOULD

COULD

CAN

REQUEST

Can I go to the party?

May I go to the party?

Could I go to the party?

MAY

COULD

CAN

PERMISSION

NEEDN'T Lack of Obligation

NOT HAVE TO Lack of Obligation

MUSTN'T Prohibition

I need to study

I have to study

I must study

NEED TO

HAVE TO

MUST

OBLIGATION

NEEDN'T Lack of Obligation

NOT HAVE TO Lack of Obligation

MUSTN'T Prohibition

I need to study

I have to study

I must study

NEED TO

HAVE TO

MUST

OBLIGATION

You needn't marry if you don't want to

You don't have to marry if you don't want to

NEEDN'T

NOT HAVE TO

LACK OF OBLIGATION

You can't drive until you are 18

You mustn't drive until you are 18

CAN'T

MUSTN'T

PROHIBITION

You had better go to the doctor

You ought to go to the doctor

You should go to the doctor

HAD BETTER

OUGHT TO

SHOULD

advice

They can't be at home, they are on holidays

They can - could - may - might be at home

They should be at home, they usually are

They must be at home, the lights are on

CAN'T 0%

MAY / MIGHT 50%

CAN / COULD 50%

SHOULD 90%

MUST 100%

PROBABILITY

PROBABILITY in the past: MODAL PERFECT

MODAL VERBS!

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