高二英语课件：高二英语名词性从句[1]

1、三大从句三大从句 定语从句定语从句 状语从句状语从句 名词性从句名词性从句 名词 名词做主语名词做主语 名词做宾语名词做宾语 名词做表语名词做表语 名词做同位语名词做同位语 This book is cheap. I bought a book. He is a teacher. We young people should respect the old. 名词性从句相当于名词，可以分别作名词性从句相当于名词，可以分别作句子的主语，表语，宾语和同位语。句子的主语，表语，宾语和同位语。 名词性从句可以分为：名词性从句可以分为：主语从句主语从句 表语从句表语从句 宾语从句宾语从句 同位语从句同位

2、语从句 1.When we will start is not clear. 2.Mrs Black wont believe that her son has become a thief. 3. My idea is that we should do it right now. 4.I had no idea that you were her friend.主语从句主语从句宾语从句宾语从句表语从句表语从句同位语从句同位语从句I 名词性从句的种类名词性从句的种类1.The photographs will show you _ （MET89） A. what does our villa

3、ge look like B. what our village looks like C. how does our village look like D. how our village looks like 2.He asked_for a violinA. did I pay how much B. I paid how much C. how much did I pay D. how much I paid 连词后的从句用陈述句的语序连词后的从句用陈述句的语序(主语在前，谓语在后主语在前，谓语在后)连接词连接词 that 陈述句转化而来陈述句转化而来-无词义，在从句中不担任成分无

4、词义，在从句中不担任成分 whether/if 一般疑问句转化而来一般疑问句转化而来-有词义，但在从句中不担任成分有词义，但在从句中不担任成分 wh-词词 特殊疑问句转化而来特殊疑问句转化而来-有词义，在从句中担任成分有词义，在从句中担任成分 I told him that I would come back soon. Whether we will succeed is still a question. Who he is has nothing to do with you.注意点注意点 that只有在宾语从句中可以省只有在宾语从句中可以省 if 只有在宾语从句中才可以代替只有在宾语从

5、句中才可以代替whether 为了避免头重脚轻，常用为了避免头重脚轻，常用形式主语形式主语it .名词性从句的连接词名词性从句的连接词一、主语从句一、主语从句1. 连词连词that(无词义无词义,不作成分不作成分,不能省略不能省略);2. whether(是否是否),不用不用if.That he will come and help us is certain.Whether we will succeed is still a question.注意注意: : 已确定的事由已确定的事由thatthat引导引导; ; 没决定的事由没决定的事由whetherwhether引导引导. . It w

6、orried her a bit _ her hair was turning grey.（MET92） Awhile B.that Cif Dfor 为 了 使 句 子 保 持 平 衡 ， 常 用为 了 使 句 子 保 持 平 衡 ， 常 用_来代替来代替主语从句或宾语从句主语从句或宾语从句，而 把 主 语 从 句 或 宾 语 从 句 放 到而 把 主 语 从 句 或 宾 语 从 句 放 到_，尤其是，尤其是连词连词that引导的主引导的主语从句语从句常用于此种句式中，但常用于此种句式中，但what，whatever，whoever，whichever引引导的主语从句一般不后置。导的主语从句

7、一般不后置。 it后面后面二二. 宾语从句宾语从句1. 由连词由连词that 引导引导: that 常可省略常可省略。I told him (that) I would come back soon.注：并列二个以上的宾语从句注：并列二个以上的宾语从句, ,或有插入语时或有插入语时不能省略不能省略that.)that.)He said (that) he had finished reading this novel and that he would borrow another one.用用it 作形式宾语作形式宾语, that引导的真正的宾语从句引导的真正的宾语从句放后面时放后面时, t

8、hat 不省略不省略.He made it clear that he objected to the plan.1. 1. 介词后的宾从介词后的宾从. .Everything depends on whether it is fine tomorrow.2.whether or not的宾从的宾从. .I dont know whether or not shell like it. whether 与与if 有时可以换用，但下列情有时可以换用，但下列情况只能用况只能用whether. .三三. 表语从句表语从句表语从句的引导词与主语从句和宾语表语从句的引导词与主语从句和宾语从句相同从句相同

9、. . 但但: 1. : 1. that引导表语从句时不能省引导表语从句时不能省. . 2. 2. if不能引导表语从句不能引导表语从句. . The news that our team has won the match is true.I gave him a suggestion that he (should) go home at once.四四. 同位语从句同位语从句同位语从句一般跟在名词同位语从句一般跟在名词fact, news, idea, suggestion等后面后面, , 用以说明或用以说明或解释前面的名词解释前面的名词. .注注: 1. 1. 同谓语从句多用that

10、引导2. 2. 在在have no idea 之后常用之后常用wh-引导同位语引导同位语从句从句. I have no idea where he has gone.I have no idea when he did it.I have no idea what he did.同位语从句同位语从句定语从句定语从句I made a promise that I would buy a bike to him.This is the school that we visited last year.引导词引导词that只起连接只起连接的作用的作用不充当句子成不充当句子成分分引导词引导词that除

11、了引导句除了引导句子外还子外还充当一定的句子充当一定的句子成分成分同位语从句与前面的名同位语从句与前面的名词是同位关系表示这个词是同位关系表示这个名词的内容名词的内容定语从句对先行词定语从句对先行词起修起修饰作用，表示饰作用，表示“的的”。同位语从句的同位语从句的that 一般不能省一般不能省而定语从句中的关系代而定语从句中的关系代词词that，当其在从句中，当其在从句中做宾语时，常常可以省做宾语时，常常可以省略略1.The question is _ the film is worth seeing Aif Bwhat Cwhether Dhow 2.One of the men held

12、the view _ the book said was right Athat what BWhat that Cthat Dwhether 3.Dr. Black comes from either Oxford or Cambridge, I cant remember _. Awhere Bthere Cwhich Dthat 4.Energy is _ makes things work AWhat Beverything Csomething Danything 5.The reason _ I have to go is_ my mother is ill in bed A. why ; why B. why ; because C. why ; that D. that ; because 6.He doesnt think the question of _ they are men or women is important A. whether B. if C.