I am twelve的疑问句怎么变?

问题描述:

I am twelve的疑问句怎么变?

are you twelve

are you twelve?
how old are you?

Am i twelve?带有系动词的陈述句变疑问句就是把系动词提前,实意动词要借助助动词do。

are you twelve?

Are you twelve?