精选优质文档-倾情为你奉上名词从句名词从句分为主语从句、表语从句、宾语从句、同位语从句。以此举例：It is clear that he has gone.The question is when I can leave.I dont know who he is.The news that he will come late upsets all of us.一、主语从句优你课教育1、由连词that, whether引导的主语从句It is certain that he will come.Whether he will come is doubtful.注：whether引导主语从句，不能用if代替由that引导的主语从句还能改写成由it做形式主语的从句：It is true that the earth is round.这类结构一般有：优你课教育It +be +形容词+that，这类形容词有clear, obvious, likely, true, probable, possibleIt +be
