isn't it 和aren‘t you區(qū)別是什么?。渴裁磿r候用aren’t you？什么時候用isn‘t it？謝謝了

it's nice，isn't it？
you’re a boy, aren't you?

你問的是反義疑問里面什么時候用isn‘t it , aren't you吧
根據(jù)句子的主語不同來選擇，如
it's nice，isn't it？
you’re a boy, aren't you?
以上都是肯定句的反義疑問，如果是否定句，反義疑問要用以下形式
it isn't nice，is it？
you aren't a boy, are you?