初中英语宾语从句复习课件(PPT-22张).ppt

* * Object Clauses Object Clauses 宾语从句专项 教学重点 1.宾语从句的概念 2.宾语从句的引导词 3.宾语从句中的语序 　　 4.宾语从句的时态变化 　　 　　 教学难点 1. if与whether的区别 2. 正确选择引导词 3. 宾语从句与简单句的互换 4. 否定前移 He likes English ． I know he likes English. 主s 主s 谓vt. 谓vt 宾o 宾o 宾语从句就是在主从复合句中，由一个句子来构成主句的宾语.常跟在及物动词、介词、少量形容词后。 主s 谓vt 宾o 简单句 复合句 一 什么 是宾语从句？ 试比较 Do you know who is the first Chinese astronaut(宇航员)? Our teacher told us that the earth goes around the sun. I am sorry that I made a mistake I don’t know if he will come tonight. Let’s find out what’s on tonight . Find out the Object Clauses We are proud of that Beijing is one of the biggest cities in the world . She hopes she can pass the exam. The teacher told us Tom didn’t tell a lie. I hear he will be back in an hour. 二 .宾语从句的引导词 1.陈述句作宾语从句,由 来充当引导词连接主从句。 2. 连词that在从句中不承担任何成分，无词义，只 起连接主从句作用。 that that that that that可省略。 1)Is she right? I want to know . I want know she is right . 2) Can you swim? She asked me. She asked I could swim. 1.一般疑问句作宾语从句, 由 充当引导词来连接主从句。 2. 连词if/whether在从句中不承担任何成分，意为“是否”，起连接主从句作用。 二 .宾语从句的引导词 if/whether if/whether if/whether If 与whether 的区别 I don’t know _____ he will come or not. I don’t care of ______ he is handsome. He wondered ______ to stay here the next week. Whether Tom will come to my party, I’m not sure. 如果为了强调宾语从句前置，只能用whether 与or not 连用只能用whether 介词后的宾语从句只能用whether 与to do 不定式连用只能用whether whether whether whether 1)Do you know book it is （这是谁的书） ? 2)Could you tell me the train is late（火车为什么迟到）？ 3)He asked us we left （我们什么时候离开 ）. 4）I wonder what I will do next 1.特殊疑问句作宾语从句, 由 充当引导词来连接主从句。由连接代词who,whom,whose,which,what和连接副词 where,how,why,when引导的宾语从句。 2.这些连词代词和连接副词既有词义又充当句子成份，连词代词在从句中作主语、宾语、表语和定语；连接副词在从句中作状语。 二 .宾语从句的引导词 whose why when 特殊疑问词