Module 5 The Conquest of the Universe Section Ⅲ Grammar-复习名词性从句语法图解探究发现①What we find out from space research is important for us on Earth.②It's wellknown thatthe ancient Chinese invented the rocket.③We think it probablethat he is dead.④The teacher showed us the controls of the spacecraft and explained howgravity worked.⑤They insistedthat everyone (should) come to the party.⑥The proposalthat we (should) import more equipment from abroad is to be discussed at the meeting.⑦I have no idea when she will be back.⑧The question remains whetherthey will be able to help us.⑨The problem is who we can get to replace her.[我的发现](1)①② 句为主语从句，③④⑤句为宾语从句，⑥⑦句为同位语从句，⑧⑨句为表语从句。(2)②③⑤⑥⑧ 句中的引导词只起连接作用，在从句中不作成分，①⑨句中的引导词为连接代词，④⑦句中的引导词为连接副词。(3)②③ 句中使用了 it 作形式主语或形式宾语，而真正的主语从句或宾语从句后置。(4)⑤ 句中的 that 可省略，其他句中的 that 一般不可省略。(5)⑤⑥ 句中的从句使用了虚拟语气。名词性从句包括主语从句、表语从句、宾语从句和同位语从句。一、名词性从句的连接词1．that(1)that 只起连接词作用，引导名词性从句，在从句中不作任何成分，本身也没有词义。That he is still alive is sheer luck.他还活着全靠运气。John said thathe was leaving for London on Wednesday.约翰说他星期三要去伦敦。(2)that 在引导名词性从句时，常可省略，但在以下情况中，that 不宜省略。①that 引导的主语从句位于句首时，that 不可省略。② 当动词后带有两个并列的宾语从句时，引入第二个从句的连词 that 不可省略。③ 当 that 宾语从句前有 it 作其形式宾语时，that 不可省略。④that 引导的从句作介词的宾语时，that 不能省略。⑤ 引导表语从句和同位语从句时，that 一般不可省略。The teacher told the students (that) they should hand in their homework the next day and that the homework must be signed by their parents.老师告诉学生要在第二天上交作业，并且作业...
