isn't = is not
aren't = are not
havem't = have not
hasn't = has not
hadn't = had not
can't = can not
needn't = need not
shouldn't = should not
isn't = is not
aren't = are not
havem't = have not
hasn't = has not
hadn't = had not
can't = can not
needn't = need not
shouldn't = should not