Задание
Divide modal verbs into groups according to their meanings.
IT'S NECESSARY
IT 'S NOT ALLOWED
IT'S POSSIBLE
IT'S A GOOD IDEA
IT'S NOT NECESSARY
IT'S ALLOWED
MUST
NEED TO
HAVE TO
CAN'T
MUSTN'T
MAY
MIGHT
COULD
SHOULD
OUGHT TO
DON'T HAVE TO
NEEDN'T
DON'T NEED TO
MAY
CAN