modal verbs Flashcards
1
Q
ABILITY
A
·can/can’t
(present)
·could/couldn’t
(past)
·BE able to
(pres./past/fut.)
2
Q
PERMISSION
A
·can/can’t
·could
(+ formal)
·may
(+ formal)
3
Q
ADVICE
A
·should/shouldn’t
·ought to/
oughtn’t to
4
Q
PROHIBITION
A
·can’t
·mustn’t
5
Q
OBLIGATION/
NECESSITY
A
·must
·have to/has to
(he/she/it)
·need to/needs to
6
Q
LACK OF OBLIGATION/
LACK OF NECESSITY
A
·don’t/doesn’t
have to + inf
·don’t/doesn’t
need to + inf
·needn’t
7
Q
POSSIBILITY/
CERTAINTY
A
100% YES
must
50%-50%
·may
·might
·could
100% NO
·can’t
·couldn’t
