I am not as tall as your sister,后能加are 有not.还是必须加aren't I
问题描述：
I am not as tall as your sister,后能加are 有not.还是必须加aren't I
答
加am I.
are和aren't用在you里.
非要用否定疑问可以这样
I am taller than your sister,am I not?