He did not + 普通動(dòng)詞的原形 （如 know,like,play,see）He did not know + what/ when/ where/ which/ who/ how/ whether + to + 普通動(dòng)詞的原形或助動(dòng)詞 beHe did not know + why/ if/ that + 從句...我的意思是這個(gè)從句用什么時(shí)態(tài)？從句中可以用一般過去時(shí)、過去進(jìn)行時(shí)、過去完成時(shí)，或過去完成進(jìn)行時(shí)：

He did not know I was there.
He did not know that I was listening.
He did not know what had happened.
He did not know if she had been studying or sleeping.這意思是從句不能加have done？He did not know 是一般過去時(shí)的否定，所以和一般過去時(shí)、過去進(jìn)行時(shí)、過去完成時(shí)，或過去完成進(jìn)行時(shí)連用。

He does not know 是一般現(xiàn)在時(shí)的否定，所以和一般現(xiàn)在時(shí)、現(xiàn)在進(jìn)行時(shí)、將來時(shí)、現(xiàn)在完成時(shí)，現(xiàn)在完成進(jìn)行時(shí)，或?qū)硗瓿蓵r(shí)連用：

He does not know I work.
He does not know that I am working.
He does not know that I am going to visit him tomorrow.
He does not know what I have done.
He does not know what I have been doing.
He does not know what will have happened.