what my purpose is is that i hope you are safe.这句话有没有错?
问题描述：
what my purpose is is that i hope you are safe.这句话有没有错?
答
没有错.其中：
what my purpose is这是what引导的主语从句.
这句后面的is是系动词
that i hope you are safe.这是that引导的表语从句.