Module 2 Highlights of My Senior Year Section Ⅲ Grammar-表语从句和主语从句语法图解探究发现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.[我的发现](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，使主语的内容具体化。2．引导词引 导 词用 法例 句从属连词that，whether在 从 句 中 不 作 成分 ， that 没 有 实 际 意义，不可省略；whether意为“是否”The trouble is that I have lost his address.麻烦是我把他的地址丢了。The point at issue is whether we go to the party. 争论点是我们是否去参加聚会。because说明主语所表示的事件发生的原因，意为“因为”He has heart disease. That is because he has been smoking too much. 他有心脏病。那是因为他抽烟太多。as if/though从句表示的情况发生的可能性较小时常用虚拟语气He looked as if he had seen a ghost. 他好像见了鬼似的(很惊慌的样子)。连接代词who(ever)，whom(ever)，whose，what(ever)，which(ever)等在 从 句 中 作 主 语 、 宾语、表语、定语等All I know is what I read in the papers. 我所知道的一切，都是从报纸上看来的。连接副词when，where，why，how 等在从句中作状语，表示时间、地点、原因、方式...
