don't和doesn't怎么用?我经常英语翻译会不知道这两个用哪个,经常弄混.

don't和doesn't怎么用?我经常英语翻译会不知道这两个用哪个,经常弄混. she can't hear very well和she doesn't hear very well哪个更经常用? didn't doesn't don't 怎么用 DOESN"和DON"T怎么在否定句用 我经常看到有it don't matter ,有没有语法错误啊?和it doesn't matter 有什么区别啊? 还有,如果是你不.应该用didn't don't doesn't?我好混乱阿,有没有第三人称复数,有的话应该怎么用did don`t和doesn`t与can`t怎么分辨? 我不经常给妈妈打电话.I don't often____ ____ the phone with my mother 英语翻译有一些日常交流中经常会用到的句子,我不知道用英语怎么去说,这已经困扰我很多次了,以下几个句子希望哪位朋友可以帮忙 英语翻译不好意思，我想问的是，不经常去，能不能用don't often go to that place? 英语翻译桑迪不知道她妈妈是否会来Sandy doesn't know if_______________________ isn't,doesn't,don't分别用在哪里?怎么用?求救!