when可以引导宾语从句吗?

when可以引导宾语从句吗?如果可以,举个例子,不可以的话,那么宾语从句优势被什么引导词引导呢?
that引导宾语从句,不做成分,那when呢、作成分吗?

第1个回答  2007-01-25
代词who(作主语)、whom(作宾语)、whose(定语)、which(主语、定语);连接副词when, why, how, where, (均作状语)。引导特殊疑问句做宾语从句。

He didn`t know when he would leave for shanghai.本回答被提问者采纳
第2个回答  2007-01-25
可以
Do you know when he go.
从句作宾语
第3个回答  2007-01-25
i don't know when she will leave us.