句子结构名词性从句.ppt

句子按结构分类： 1.简单句 2.并列句(and, but, or, so, for) 3.复合句(主句＋从句) 区分句子类型： 1.Dogs and cats are indeed man’s best friends. 2.The postman came running to me, handed me a letter and left in a hurry. 3.This is a scene in a movie, but it does give us a real picture showing man’s relationship with dogs. 4.When an infected person shows symptoms, death is certain to follow shortly after. 5. What you need is a lesson in small talk. 6. Here are some tips that will show you how to get started 简单句 由一个主语（或一个以上的并列主语）和一个谓语（或一个以上的并列谓语）组成的句子。但只含有一个主谓结构。 并列句 由并列连词连接的两个或两个以上互不依从的主谓结构的句子称为并列句。 主从复合句 由一个主句加一个或几个从句构成的句子。从句只用作句子的一个成分，不能独立。根据从句在句子中的作用，可分为：名词性从句（主语从句、宾语从句、表语从句和同位语从句）、状语从句和定语从句。 区分句子类型： 1.Dogs and cats are indeed man’s best friends. 2.The postman came running to me, handed me a letter and left in a hurry. 3.This is a scene in a movie, but it does give us a real picture showing man’s relationship with dogs. 4.When an infected person shows symptoms, death is certain to follow shortly after. 5. What you need is a lesson in small talk. 6.Here are some tips that will show you how to get started 宾语从句 从句充当及物动词的宾语，置于及物动词之后。 从句充当介词的宾语，至于介词的后面。 当宾语比较长的时候可以用it来替代。 1. I believe that he will turn up soon. 2. People are curious about why those mentally challenged people take part in the competition. 3. Many people consider it impossible that those mentally challenged people will perform well in the competition. it 作 形式宾语: Sb makes it clear that Sb makes it possible that Sb makes it a rule that Sb think/consider/feel it essential that 1.How you study determines if your study will be a success or a failure. 2.The audience might tell you what did they want to hear. 主语从句 从句充当整个句子的主语，通常置于句首。 当主语比较长的时候，可以用it来替代，从句置于句后。 1. What touched us most was the spirit of the Special Olympics. 2. It excited us that the 2010 World Expo took place in Shanghai. 常用“It” 作形式主语的句型 众所周知 是否…仍是个问题 …是真的吗? 很自然… 奇怪的是… 据说/据报道/据宣布… 据信/人们认为/有人建议 已证实… 常用“It” 作形式主语的句型 似乎… 碰巧… (某人)突然想到… …无关紧要 很有可能… Practice