高中英语名词性从句讲解22.docVIP

名词性从句讲解 由一个主句和一个或一个以上的从句构成的句子叫复合句。主句和从句都具有完整的主谓结构，但主句是句子的主体，从句是全句的一个成分，并且从属于主句，不独立存在。根据从句在全句中的句法功能，从句可分为名词性从句，状语从句和定语从句。下面我们探讨一下名词性从句。 名词性从句的功能相当于名词，分别在复合句中充当主语，表语，宾语和同位语，故被称作主语从句，表语从句，宾语从句和同位语从句。 ※※应当特别注意的是名词性从句必须用陈述语序。 看下面五个例句,辨别出分别是什么从句： That he often came late for class made the teacher angry. 2.The question is whether the film is worth seeing. 3.Mr Brown is talking about what he saw and heard in Britain. 4.Do you remember when I returned you the book? 5.We all know the news that our class won the first prize . ※※that he failed in the exam 1.______________________made all of us surprised 2.He told me________________________. 3.The result is________________________. 4.The news________________________spread quickly. 引导名词性从句的引导词： 主语从句 连词 that whether 连接代词 who what which whose 连接副词when where how why 表语从句 连词that whether as if 连接代词who what which whose 连接副词when where how why 宾语从句 连词that whether if 连接代词who what which whose 连接副词when where how why 同位语从句 连词that whether 连接副词when where how why 名词性从句的相同之处——相同的关联词 A） that whether B）when where how why 名词性从句的不同之处 A）as ifB）if只能引导宾语从句 C）who what 、which、 whose不能引导同位语从句 ※※首先我们重点讲解引导词that, what, if ,whether 的用法。 一．That That 虽可以引导这四种名词性从句， ★A That 引导宾语从句时， E.g I really believe that Tom was telling the truth. ★B That 引导主语从句，E. g 1 That China is a socialist country is well known. 2 The trouble is that they don’t know they are in danger now. 3 The idea that the earth is round is not a new one. 二．What What可以引导主语从句，，， 1 What you need is more practice. What引导主语从句并做need的宾语 2 What frightened me most was that it was a big snake. What引导主语从句并做主语 3 Our hometown is not what it used to be. What引导表语从句并做be的表语 What在句子中的词义： 1．表示“．．．．．．的人＂相当于the person that．．． She is no longer what she was five years ago . What引导表语从句并做was的表语 2. 表示“．．．．．．的地方＂相当于the place that．．． This is what they call Salt Lake City. What is now the North Sahara Desert was once a civilized world. 3. 表示“．．．．．．的数目＂相当于the amount/number that．．． Our inco