英语名词性从句副本.ppt

名词性从句 Noun Clause 名词性从句 ?????? 名词性从句相当于名词，可分别作主句的主语、表语、宾语和同位语。因此，名词性从句分为主语从句、表语从句、宾语从句和同位从句。 What are noun clauses? His story is interesting. What he said is interesting. I heard his story. I heard what he said. I listen to his story. I listen to what he said. This is his story. This is what he said. The idea of going there is good. The idea that we go there is good. Subject clause Object clause Object clause after a preposition Appositive clause 什么叫名词性从句？ 在句子中起名词作用的句子叫名词性从句 (Noun Clauses） 名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语等 因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句 连词: 引导从句，但在从句中不作成分 that ：无词义，不作成分，起连接作用 whether/if：“是否”不作成分，起连接作用 If只用于宾从中 as if (though)：“好象”只连接表语从句 连接代词：引导从句，并在从句中作成分 What（ever）：（无论）什么，作主，宾，表，定语 which（ever）：（无论）哪一个（些）作主，宾，表，定语 Who（ever） ： “（无论）谁（主格）”作主，宾 Whom（ever ）：“ （无论）谁（宾格）”作宾 whose （ever ）：“（无论）谁的，作定 连接副词: 引导从句，作状语 When （ever） ：“什么时候” 作状语 where ：“什么地方” how ：怎样 why ：为什么 从句中用陈述句序：疑问词+陈述句语序 不可省略的连词： 1. 介词后的连词 2. 引导主语从句和同位语从句的连词不可省略。 That she was chosen made us very happy.We heard the news that our team had won 比较： 　　whether与if 均为是否的意思。 但在下列情况下，只可用weather： 　　1. whether引导主语从句并在句首 　　2. 引导表语从句  　　3. whether从句作介词宾语 　　4. 从句后有or not Whether he will come is not clear. 大部分连接词引导的主语从句都可以置于句末，用 it充当形式主语。 　　It is not important who will go. 　　It is still unknown which team will win the match. 二、感叹句做名词性从句时语序不做变化 Dont you know how excited I was then？ 三、时态的呼应 某些从句(特别是宾语从句)中的动词时态，常受主句谓语时态的制约。 ①如果主句谓语动词为现在时或将来时，从句中的谓语可以不受影响。例如： Has he told you when he received the gift？ Will you tell me how you two are getting along？ ②如果主语谓语动词为过去时，从句谓语一般要跟着改为相关的过去时。 I didnt know where they lived.He thought he was working for the people.asked him how long he had been waiting. ③但是，当宾语从句表示永恒真理时谓语可以不变：This proved that the earth is round. 一．主语从句 1、主语从句在复合句作主语。 ?????? e.g. Who will go is not important. ? 2、用it作形式主语，主语从句放在句末。 ?????? e.g. It doesn’t matter so much whethe