what I want to know is where he has gone 请问这句话对吗?觉得不该有个is,what好像也可有可无?

问题描述:

what I want to know is where he has gone 请问这句话对吗?觉得不该有个is,what好像也可有可无?

这个句子一点没错,完全正确.
What I want to know is where he has gone .这是一个主系表句型.
What I want to know (主语从句)+is(系词)+ where he has gone (表语从句)
句意:我想知道的是他到哪里去了.