could + have
could've
they + will
they'll
she + will
she'll
do + not
don't
she + will
she'll
could + have
could've
has + not
hasn't
I + will
I'll
we + will
we'll
is + not
isn't
should + not
shouldn't
We + are (CHALLENGE)
we're
would + not
wouldn't
I + am (CHALLENGE)
I'm
did + not
didn't
they + are (CHALLENGE)
they're
can not
can't
you + will
you'll
he + is (CHALLENGE)
he's
we + have
we've
you + have
you've
does + not
doesn't
you + will
you'll
would + not
wouldn't