否定词don't aren't haven't区别

否定词don't aren't haven't区别 否定词后面跟动词什么形态?我是只aren't They ( )have a bike.A.doesn't B.don't C.aren't D.not They don't have chopsticks.They aren't have chopsticks.哪句写法对 aren‘t和don’t的区别 when ___ you have a contest? sorry i___know 1.are.don`t 2.do aren`t 3.are aren`t 4.do don`t isn't aren't don't doesn't的区别! They ------have a tennis bat A aren't B don't They（）have classes on Saturday or Sunday用aren‘t还是用don’t? I__think they__clever.A.don’t,are B./,aren’t C.Don’t,aren’t 选择We _____any watches A have no B aren't have C don't have D has not if you aren't careful,you will have an accident.前面的那个aren't,是什么时候用aren't什么时候用don't如果是if you ......look out 呢，don't吗？ You ____ have a tennis racket,but I have ____.A.aren't;it B.don't;it C.aren't;onYou ____ have a tennis racket,but I have ____.A.aren't;it B.don't;it C.aren't;one D.don't;one 什么情况下用can't.aren't .don't. They ________ math class today.They ________ an English class now.A.aren't having; are having B.don't have; have C.aren't having; have D.don't have; are having If you aren't careful,you will have an accident.句子中的aren't可以改成don't吗?为什么一定要有be动词呢 You( )do it now.You can have a rest first.A.aren’t needing toB.don’t need toC.needn’t toD.don’t need You___about the future now,___you?A.don`t think,don`t B.aren`t thinking,aren`t C.don`t think,doD.aren`t thinking,are