I am abroad 语法上讲没有什么问题,主系表结构
例：
I dislike feeling at home when I am abroad
I base my guanxi on any people of Chinese origin if I am abroad.
如果我在国外,我的关系基于来自中国的任何人
但更多的用来修饰动词作状语.
I am considering going abroad.
我正在考虑出国.
Right now I am studying abroad.
现在我在海外留学.
I am going abroad next week.
我下个星期出国.