What a student should be able to do презентация

HAVE TO
OBLIGATION
ORDER
RULE
ORDER

HAVE TO
IMPOSSIBILITY TO MAKE A CHOICE
PAST OF MUST

MUSTN´T/DON´T HAVE TO/NEEDN´T

SHOULD/OUGHT TO
ASK FOR ADVICE
GIVE ADVICE
NEGATIVE ADVICE
EXPRESS PREDICTION
TELL SOMETHING IS NOT CORRECT