高考英语一轮复习 第九讲 名词性从句课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,第九讲,名词性从句,名词性从句,连接词,主语从句,用,that,who,whether/if,what(,the thing that),等连接词引导。,宾语从句,用,that(,可省略,),if,whether(or not),what(,the thing which),等连接词引,导。,表语从句,用,that(,一般不省略,),whether,what(,the thing which),等连接词引导。,同位语从句,用,that(,常用在,news,thought,idea,等词后,),whether等连接词引导。,名词性从句是历年高考的重点和难点，也是热点。名词性,从句相当于名词，可作主句的主语、宾语、表语和同位语。因,此，名词性从句可分为主语从句、表语从句、宾语从句和同位,语从句,(,见下表,),。,结构,常见句型,It is,名词主语从句,It is a fact that.,事实是,/It is an honor that.,非常荣幸,/It,is common knowledge that.,是常识,It is,形容词主语从句,It is natural that.,很自然,/It is strange that.,奇怪的是,It,不及物动词主语从句,It seems that似 乎,/It happened that.,碰 巧,/It appears,that.,似乎,It is/has been,过去分词,主语从句,It is reported that.,据 报 道,/It has been proved that.,已 证,实,/It is said that.,据说,一、主语从句,主语从句是在复合句中充当主语的从句，通常放在主句谓,语动词之前或由形式主语,it,代替，而本身放在句子末尾。,1,用,it,作形式主,语的结构,说明,例句,if,引导的主语从句不可位于复,合句句首,Whether he will come or not is unknown.正,),If he will come or not is unknown.(,误,),It is said/reported.,结构中的主语,从句不可提前,It is said that Jiang will visit our school.(,正,),Jiang will visit our school next week is said.(,误,),It happens/occurs.,结构中的主语,从句不可提前,It occurred to him that he failed in the examination.(,正,),That he failed in the examination occurred to him.(,误,),It doesnt matter how/whether.,结,构中的主语从句不可提前,It doesnt matter whether he is right or not.(,正,),Whether he is right or not doesnt matter.(,误,),含主语从句的复合句是疑问句,时，主语从句不可提前,Is it likely that it will rain in the evening?(,正,),Is that it will rain in the evening likely?(,误,),2.主语从句不可位于句首的五种情况,二、宾语从句,宾语从句是在复合句中作宾语的名词性从句，通常放在主,句谓语动词,(,及物动词,),或介词之后。,说明,例句,作动词,通常可以省略,),由,that,引导的宾语从句,(that I heard(that)he joined the army.,我听说他参,军了。,where,等引导的宾语从句,由,what,whether/if,when,She did not know what had happened.,她不,知,道发生了什么。,动词间接宾语宾语从句,的宾语,She told me that she would accept my,invitation.,她告诉我她将接受我的邀请。,说明,例句,作介词的宾语,Our success depends upon how well we can,cooperate with one another.,我们的成功取,决于我们互相合作得有多好。,作形容词的宾语,I am afraid(that)Ive made a mistake.,恐怕,我犯了个错。,it,作形式宾语,We heard it that she would get married next,month.,我们听说她下个月打算结婚。,否定前移,(,若主句主语为第一人称，且谓语动,词 为,think,consider,suppose,believe,expect,fancy,guess,imagine,等，其后的宾语从句若,含有否定意义，一般要把否定词转移到主句,谓语上，从句谓语用肯定式,),I dont think this dress fits you well.,我认为,这件衣服不适合你穿。,续表,三、表语从句,表语从句是在复合句中作表语的名词性从句，放在系动词,之后，一般结构是“主语连系动词表语从句”。可以接表,语从句的连系动词有,be,look,remain,seem,等。引导表语从句的,引导词,that,一般不省略。另外，常用的含有表语从句的结构还,有“,The reason why.is that.”,和It is because.”,等。如：,The reason why he is late for school is that he missed the early,bus.,他上学迟到的原因是他错过了早班车。,说明,例句,同位语从句的,功能,(,一般由,that,引 导，,that,不作句子,成分，,但也不可省略,),对于名词进一步解释,The kings decision that the prisoner would be,set free surprised all the people.,国王做出释放,那个罪犯的决定让所有人都很吃惊。,说明名词的具体内容,The order that all the soldiers should stay still,was given by the general.,所有的士兵都应该保,持不动，这个命令是将军下的。,同位语从句在,句子中的位置,有时可以不紧跟在它,所说明的名词后面，被,别的词隔开,He got the news from Mary that the sports,meeting was put off.,他从玛莉那里得到消息,运动会被推迟了。,四、同位语从句,同位语从句是在复合句中作名词的同位语的名词性从句。,五、,whether,if,引导,名词性从句的区别,1,句首引导主语从句或出现,or not,时，只能用,whether,。,2,if,不能引导表语从句。,3,if,不能,引导介词后的宾语从句。,4,宾语从句是否定句只能用,if,。,5,discuss,后的宾语从句只能用,whether,引导。,注意：,doubt,作“怀疑”解，后接宾语从句时，如主句是肯,定句，宾语从句用,whether,或,if,引导；如主句是否定句或疑问,句，宾语从句只能用,that,引导。如：,I doubt whether/if he is fit for the job.,我怀疑他是否胜任这份工作。,I dont doubt that he can do it very well.,他能把它做好，我不怀疑。,