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(OBLIGATION, NO OBLIGATION, PROHIBITION, ABILITY, PREMISSION, NECESSITY,…
OBLIGATION
MUST
NO OBLIGATION
PROHIBITION
MUST NOT
ABILITY
CAN
PREMISSION
CAN, COULD, MAY
NECESSITY
NEED
CRITICISM OR REGRET
POSSIBILITY AND CERTAINTY
WILLINGNESS
POSSIBILITY
CAN, COULD, MAY
ABILITY
COULD
CERTAINTY
MUST