Noun Clause名词性从句复习1：句子成份第一种 S+V She promised (yesterday).(主语+谓语动词) +状语第二种：S+V+O She dreamed a (good) dream.(主语+谓语动词（+ 定语 ）+宾语) 第三种：S+V+P She remained calm.(主语+连系动词+表语)第四种：S+V+ InO+ DO Mr. Smith,( the headmaster, ) told us the news.(主语 （+同位语）+及物动词+间接宾语+直接宾语)第五种：S+V+O+OC I find the book interesting.(主语+及物动词+宾语+宾语补语)复习2.主语1.During the 1990s, American country music has become more and more popular. （名词） 2.We often speak English in class.（代词） 3.One-third of the students in this class are girls. （数词）4.To swim in the river is a great pleasure.（不定式）5.Smoking does harm to the health.（动名词）6.The rich should help the poor.（名词化的形容词）7.When we are going to have an English test has not been decided.（主语从句）复习3.表语 1.Our teacher of English is an American. （名词） 2.Is it yours? （代词） 3.The weather has turned cold. （形容词） 4.The speech is exciting. （现在分词或过去分词的形容词） 5.Three times seven is twenty one? （数词）6.His job is to teach English. （不定式：说明主语内容） 7.His hobby（爱好）is playing football. （动名词：说明主语内容） 8.The machine must be out of order. （介词短语） 9.Time is up. The class is over. （副词） 10.The truth is that he has never been abroad. （表语从句）复习3：宾语 宾语表示动作的对象或承爱者，一般位于及物动词和介 词后面。例如： 1.They went to see an exhibition（展览）yesterday. （名词） 2.The heavy rain prevented me from coming to school on time. （代词） 3.How many dictionaries do you have? I have five. （数词）4.They helped the old with their housework yesterday. （名词化形容词） 5.He pretended not to see me. （不定式短语） 6.I enjoy listening to popular music. （动名词短语） 7.I think（that）he is fit for his office. （宾语从句）复习4同位语1.Mr. Smith, our new teacher, is very kind to us.（名词）2. He is a good teacher, one we all respect.（代词one） 3. They both agree on the price.（代词both all each） 4.The thought that we might succeed excited us.（同位语从句）定语从句的先行词是名词或代词；而同 位语从句的先行词只能是名词，而且仅 限于idea，plan， fact，theory， promise，hope，news，doubt， truth，information，suggestion， question， thought，belief， conclusion等少数名词。区别定语从句和同位语从句.The news （that they had won the game） soon spread over the whole school. 同位语从句The news （that you told me yesterday ）was really disappointing. 定语从句一. 认识名词性从句 a. subject clause主语从句 b. object clause 宾语从句c. predicative clause 表语从句 d. appositive clause (同位语从句 )1.The fact that Great Britain is made up of three countries is still unknown to many.2.The result of so much French influence was that the English language ended up with many French words such as table, animal and age.3.Some people feel that Wales is an ancient fairy land.4.That most of these are now threatened and may disappear is a serious matter to the people in Britain.Appositive clause同位语Predicative clause表语从句Object clause宾语从句Subject clause主语从句二、名词性从句的连接词连连接词词在名词词性从句中 可充当的成份在名词词性从句中 的意义义 第 一 类类that 不充当无意义义 whether 不充当成份 “是否” if 不充当成份 “是否”that1. That he is ready to help others is well - known . ( that 引导名词性从句，在从句中没有含义，不充当成分 ，不能省略。 ) 2.Its well-known that he is ready to help others.(形式主语it 代替 that-clause)3. After checking (that )the lights had all been turned off and that the doors had been closed, he left.（引导第一个宾语从句的that可省）4.The idea that computers will recognize human voices surprises many people . 5.The idea is that computers will recognize human voices.(引导导同位语语从句和表语语从句的that不能 省)Whether 和 if 是否 1.1.WhetherWhether she is coming she is coming （or not or not ）doesnt doesnt matter too much.matter too much. 主语从句主语从句 （ whether or notwhether or not） 2.Our first question is 2.Our first question is whetherwhether you like musicyou like music. . 表语从句表语从句 3.I wonder 3.I wonder whether/ifwhether/if it is true or not it is true or not. . 宾语从句宾语从句 4.The problem 4.The problem whetherwhether it is right or wrong it is right or wrong has has not yet been decided.not yet been decided. 同位语从句同位语从句 Whether orWhether orWhether与 if的同与异 whether whether 和和 if if 引导宾语从句时可以互换引导宾语从句时可以互换 使用使用 但但 下列情况只用下列情况只用whetherwhether不用不用if:if:1 1） 在在whether or notwhether or not结构中结构中 a. I dont know a. I dont know whether or not whether or not hell hell come. come. B. I wonder B. I wonder whether/ifwhether/if it is true or not. it is true or not.（2 2）“ “介词介词+ +宾语从句宾语从句” ” Everything depends on Everything depends on whether the whether the situation will improve.situation will improve.(3) whether + to do(3) whether + to doa.a.Please tell me Please tell me whether/ifwhether/if you will go you will go or notor not宾语从句（连接词宾语从句（连接词+主语主语+谓语）谓语）非谓语作宾语 ( 连接词+不定式) b. Please tell me b. Please tell me whetherwhether to go or not. to go or not. （4 4）引导主语从句）引导主语从句, ,表语从句及同位语从句时表语从句及同位语从句时1.1.WhetherWhether well go well go depends on the depends on the weather.weather.2.2.The question is The question is whetherwhether it is it is worth doingworth doing. .3.3.The question The question whetherwhether it is worth it is worth doing doing is under consideration.is und