Module 2 Highlights of My Senior Year Section Ⅱ Grammar——表语从句和主语从句[语法图解] [课文原句感知]①My feeling is that they're going to be big one day
②But the big surprise of the evening was when I was elected prom queen
③China is no longer what it used to be
④The reason why I'm calling you is that I want to invite you to my birthday party
⑤That she has became an artist may have been due to her father's influence
⑥What we should do next remains unknown
⑦Whether it will do us harm remains to be seen
⑧It's a good thing that the exams are finished
[语法领悟](1)以上句中,①~④句中黑体部分均引导表语从句,而⑤~⑧句中黑体部分则引导主语从句
(2)由④句可知,主语为名词 reason 时,表语从句中的连接词要用 that,而不用 why
(3)由⑤⑥句知,引导主语从句时,what 要在从句中充当句子成分,而 that 不作任何成分,只在语法上起连接作用
(4)⑧ 句中,it 用作形式主语,代替 that 引导的主语从句
一、表语从句1.定义在复合句中作表语的从句,叫作表语从句
它位于主句的系动词之后,对主语进行解释、说明,使主语