Am not=aren’t ,
is not=isn’t ,
are not=aren’t,
was not=wasn’t,
were not=weren’t,
have not=haven’t ,
has not=hasn’t ,
had not=hadn’t,
do not=don’t ,
did not=didn’t,
does not=doesn’t,
cannot=can’t,
could not=couldn’t ,
may not=mayn’t,
might not=mightn’t,
shall not=shan’t,
should not=shouldn’t,
Will not=won’t ,
would not=wouldn’t
must not=mustn’t,
dare not=daren’t ,
need not=needn’t,
ought not=oughtn’t