aren't和don't

aren't和don't 如何区分don't和aren't aren‘t和don’t的区别 don't 和aren't用法上的区别 isn't aren't don't doesn't的区别! 请问don't,doesn't,aren't的用法? 否定词don't aren't haven't区别 什么情况下用can't.aren't .don't. why aren't you 和Why don't you 的区别和用法 请问Don't you think so?和Aren't you think so?有什么不同 aren't Aren't you lucky!和Aren't you lucky?