助动词do 后面接you
例如: Do you like bananas?
回答Yes,I do.或者No,I don't.
当主语是he, she , it 这些第三人称单数的时候，助动词用does.
例如: Does she likes bananas?
回答: Yes, she does .或者No, she doesn't.
your是“你的”，是you 的形容词性物主代词代词，本身相当于形容词，后面需要接名词，
例如: What's your name?
或者What's your favourite color.
