wouldn't
aren't
isn't
wasn't
weren't
can't
shouldn't
mustn't
don't
doesn't
didn't
won't不是要像这样 is not=isn'twould not =wouldn'tare not =aren'tis not=isn'twas not = wasn'twere not=weren'tcan not =can'tshould not =shouldn'tmust not = mustn'tdo not = don'tdoes not = doesn'tdid not = didn'twill not = won't