The Short Form of the Negative Tag
Simple Form
Tag Form
is not
isn't
am not
aren't /ain't
are not
aren't
was not
wasn't
were not
weren't
has not
hasn't
have not
haven't
will not
won't
would not
wouldn't
Ought to
Oughtn't/ Shouldn't
must not
mustn't
shall not
shan't
may not
mayn't
do not
don't
cannot
can't
could not
couldn't
used to
didn't/usedn't
did not.
didn't
had not
hadn't
does not
doesn't