精选优质文档-倾情为你奉上主语从句Noun clauses as the subject主语从句 如果一个句子在复合句中充当一个主语, 那么这个句子就是主语从句。That he finished writing the composition in such a short time surprised us all.What we need are good doctors.Whom we must study for is a question of great importance.1.主语从句的连接词1).连接词: that, whether.That he will win is certain.Whether hell join us in the discussion is of great importance.2).连接代词: who, what, which, whom , whose, whoever, whatever, whichever.It is clear who i