What’s that?

MUSTN’T

MUST

CAN

MAY

SHOULD

CAN Ability – saber / ser capaz

dePossibility ser possível /

poder

MAYPermission – poder /ter permissão

MUST obligation/ necessity ter que

MUSTN’T

You mustn’t take photos

Prohibition – ser proibido

SHOULDAdvice – dever

You should go to the doctor!

canAbilityPossiblity Permission

saber/ser capazpoder

may Permission poder

must Obligation /necessity ter que

mustn’t Prohibition ser proibido

should DutyAdvice dever

must must mustn’t must mustn’t

CAN SHOULD

MUST MUSTN’T

You ____________ fight at school.mustn’t

CAN’T SHOULD

CAN MUSTN’T

YOU_____________respect elderly people.should

SHOULDN’T CAN

CAN’T MUST

You_________always walk your dog on a leash.must

MUSTN’T CAN

CAN’T SHOULD

You___________ stay in bed if you have flu.should

MAY CAN

SHOULDN’T SHOULD

_______ I ask you a question, sir?May