modal verbs Flashcards
1
Q
obligation/necessity
A
must
have to
should
2
Q
it is not necessary in the present or future
A
don’t have to
don’t need to
3
Q
we know that it happened in the past although it wasn’t necessary
A
needn’t + bare perfect infinitive
4
Q
it was not necessary in the past but we don’t know if it happened
A
didn’t need to
didn’t have to
5
Q
prohibition
A
mustn’t
can’t
6
Q
advice
A
should/ought to
7
Q
possibility
A
can
could
8
Q
ability and inability
A
can
could
was able to
9
Q
offers
A
can
would
shall
could
10
Q
probability
A
will
should/ought to
11
Q
premission
A
can
may
12
Q
logical assumption
A
must
may/might
can’t