高考英语语法复习： 名词性从句：主语从句和表语从句ppt课件.ppt

1、Subject Clauses and Predicative Clauses （主语从句和表语从句 ） 主语： 是一个句子说明的人或事物 ,即叙述的主题，一般位于 _ 。 谓语动词或系动词之前 Group A: I like English. The apple is red. Group B: The flower is beautiful. The food tastes nice. _ _ 主语 表语 表语： 是用来说明主语的特征，类属，状 态，身份等。一般位于 _. 系动词之后 。 His job is important. What he does is important. 主语

2、 在句中充当主语的从句叫做主语从句。 表语 The reason is reasonable. The reason is that he is ill now. 在从句中充当表语的从句叫表语从句。 _ 1.That he will come is certain. 2.Whether it will please them is not easy to say. 3.What he told me is half truth. 4. Which side will win is not clear. 5. Whoever comes is welcome. 6.Why he did it r

3、emains a mystery. 7. How he is going to do it is a mystery. 8 .Where he is from is not known. _ _ _ _ 主语从句 : 找出主语从句并注意其引导词。 _ _ _ 归纳 ： 1. 概念 : 在句中做主语的从句叫 _。 2.位置：位于 _之前。 3.连接词： _ 主语从句 谓语动词 that， whether/if, what(ever), who(ever),which, why, when, how, where 1.The trouble is that we have no time for

4、it. 2.The question is whether we can ask for help. 3.This is what Im interested in. 4.The problem is who we can get to replace her. 5.Deyang is not what it used to be. 6.That is why he got punished. 7.This is where he worked. 8.He looked as if he were angry. _ _ _ _ _ _ _ _ 表语从句 : 找出表语从句并注意其引导词。 归纳：

5、 1. 概念：在句中做表语的从句叫 _. 2.位置：一般位于 _之后。 3.连接词： _. 表语从句 系动词（如 be动词） what,whether,what(ever),who(ever), which,when,how,why,where,as if等 conclusion： 引导词的选择三步骤 ? 步骤一： 如果从句中缺少主语，或者宾语，或者表语，则考虑用 连接代词 What, who, which, whose, whatever ? 步骤二： 如果从句中既不缺少主语，宾语，也不缺少表语，但是缺少一定意义的状语，则考虑用 连接副词 : where, when, why, how ?

6、步骤三： 如果既不缺少主语，宾语，表语，也不缺少状语，则考虑用 从属连词 。 that, whether(是否）， as if（表语从句） _I like most is your hairstyle. Your hairstyle is_ I like most. What what It looks _ the dog is waiting for somebody. _ he can see the world clearly is unknown. as if Whether _ the government set up this program is to make it convenient for people . The purpose of the program is _people can enjoy the convenience in the city. Why that