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,*,高考英语精讲精练课件,高考英语精讲精练课件,1,名词性从句,主语从句,宾语从句,表语从句,同位语从句,主语从句在句中做,-,宾语从句在句中做,-,表语从句在句中做,-,同位语从句在句中,-,主语,宾语,表语,同位语,1.,That he will come,is certain.,2.I know,that he will come,.,3.The truth is,that I have been there.,4.The fact,that she was late,surprised us.,主语从句,宾语从句,表语从句,同位语从句,名词性从句 主语从句宾语从句表语从句同位语从句主语从句在,2,为什么叫名词性从句？,_,整个从句相当于一个名词,比较,:,The man,looked around.,That the boy failed again in the exam,disappointed his mother.,同样作主语，从句可以表示较复杂的含义,一般是个动作或性质,I know,him.,I know,that he is writing his composition in his room,2.,为什么要有名词性从句？,那人,看了看四周,.(,名词作主语,),那孩子考试又不及格,令他母亲很失望,.,(,从句作主语,),我知道,他在房间里写作文,.,从句的特征:,是一个句子,有一个引导词,引导词做从句的一个成分,(that,除外,),名词能做的成分,从句都能做,从句表达的意思比名词复杂得多,为什么叫名词性从句？整个从句相当于一个名词比较:The ma,3,主语从句,that whether who whom whose what which when where why how,从 句,引导词:,1.,That,he knows Japanese,is known to all.,他懂英语,这一点大家都知道,令我惊讶的是在这儿见到他,.,3.,When,he will come,is unknown.,4.,Whether,he is coming,doesnt matter much.,他来不来没什么要紧的,他什么时候来不清楚,.,他们是怎么登上山顶的仍是个秘密,.,5.,It,remains a secret,how,they climbed up the mountain,.,主语从句的位置,1.,在句首,2.,主语较长时通常放,在后面,句首主语用,It,主语太长了,!,放到句尾,Details,Details,Details,Details,That,无词义,不可省略,What“,什么”,“,所,.,的”,2.,What,surprised me,was to see him here.,When,“,什么时候”,主语从句,不用,if,位于句首,主语从句that whether who whom,4,It,作主语的常用句型有,:,1.It+be+,形容词,+that,从句,2.It+be+,名称词组,(duty/pity.),+that,从句,3.It+be+,过去分词,(said/thought.),+that,从句,4.It+,不及物动词,(seem/happen.),+that,从句,It is,a pity,that we cant go swimming.,It is,said,that he told her everything.,It,happened,that I was out that day.,It is,certain,that he will do well in the exam.,真可惜我们不能去游泳,.,碰巧那天我外出了,.,他考试肯定会考好,.,据说他已告诉了她一切,.,注意,:,It looked that,he was right.(,),可以说,:,It looks as if,.,happen,只有,it,句型,It is,said,只有,it,句型,More,It 作主语的常用句型有:1.It+be+形容词,5,用形式主语,it,的主语从句常见结构,It is,clear(necessary,important,possible,remarkable,that,很清楚（必要,重要,可能,值得注意等,),It is,a fact(a good thing,good news),that,事实是,(,好事是,好消息是,),It is,well-known(reported,recorded,estimated,said,believed),that,众所周知,(,据报道,据记载,据说,据估计,),It,turns out (seems,happens,appears),that,结果是,(,似乎是,碰巧是,好象是,),It,has been found(has been proved,can be seen,must be pointed out),that,已发现,(,已证明,可以看出,需指出,),用形式主语 it 的主语从句常见结构It is clear,6,用,it,句型翻译,:,据说今年高一学生要学新教材,.,事实是他们靠自己完成了所有的任务,.,碰巧他们已经参加过军训了,.,众所周知,比尔,盖茨是世界上最富有的人,.,我们应该养成好的学习习惯这很重要,.,It is said that the Senior Grade one students will learn a new text,this year.,It is a fact that they finished all the work by themselves.,It happened that they had had their military training.,It is well-known that Bill Gates is the richest person in the world.,It is important that we(should)form a good habit of studying.,Note:It is important/necessary/natural/our duty/essential/strange,that sb,(should),do sth.,固定句型,should,可以省略,翻译,:,真奇怪他今天竟然迟到了,.,It is strange that he should be late today.,strange,不省略,should,为好,用 it 句型翻译:据说今年高一学生要学新教材.It is,7,表语从句,从 句,同主语从句,(11,个,),外加,as if/,引导词,:,as though,1.The truth is,that,he has never been to the countryside,.,2.The question is,whether,w can finish the experiment by Friday,.,3.It looks,as if,it were going to rain.,实际情况是他从未去过农村,.,that,一般不省略,问题在于我们能否在明天下午之前完成这项实验,.,表语从句不用,if,好象看上去要下雨似的,.(,其实不会,),as if/,as though,从句常表示,不真实的情况,She talks,as if/as though,she had been there before.,她说话的口气好象以前去过那儿似的,.,又比如,:,4.This school is no longer,what,it was,before.,这所学校已不再是从前的那个样子了,.,what=the thing that,More,系动词后面,表语从句从 句 同主语从句(11个),外加,8,注意下列表语从句中,where,how,why,的译法,This is,where,Lu Xun once lived.,That was,how,they won the match.,This is,why,she got up so early this morning.,这就是鲁迅曾经住过,的地方,.,他们就是,这样,赢得这场比赛的,.,这就是她,为什么,今天早上起得这么早,的原因,.,我们就是这样克服困难的,.,那就是他昨天缺席的原因,.,这就是我们上星期碰头的地方,.,This is/That was how we overcame the difficulties.,That is why he was absent yesterday.,This is where we met last Sunday.,This is,总是现在时,That is,表示性质,That was,指过去动作,固定句型,:,This is where,This is why,This is how.,这就是,的地方,这就是,的原因,这就是,的方法,注意下列表语从句中where,how,why 的译法Th,9,宾语从句中的连接词,that,在以下三种情况下不能省略：,（1）当,that,从句与另一名词性从句并列作宾语时，第二个,that,不能省；,（2）当,that,作介词宾语时，,that,不可省掉。,（3）用,it,做形式宾语的宾语从句,Everyone knew what happened and,that,she was worried.,The reason lies in,that,she works harder than the others do.,宾语从句,宾语从句中的连接词that在以下三种情况下不能省略：宾语,10,whether,与,if,的辨用,表“,是否,”时，在下列情况下用,whether。,a.,主语从句,b.,表语从句,c.,同位语从句,e.,介词后的宾语从句,f.,后接动词不定式,(,whether to do sth.)g.whether or not,连在一起引导宾语从句时不用,if,whether与if的辨用表“是否”时，在下列情况下用whe,11,1).,whether,和,if,都可以引导宾语从句,a.,当,whether,后紧跟,or not,时,不用,if.,eg:I dont know,whether or not,I will,stay.,b.,介词,后面的宾语从句不能用,if.,eg:I worry,about whether,I hurt,her feeling.,2.注意,whether,和,if,的使用区别,1).whether和if都可以引导宾语从句 2.注意,12,Practice time,if/whether,1.I asked her _ she had a bike.3.Were worried about _ he is safe.4.I dont know _ he is well or not.5.I dont know _ or not he is well.8.I dont know _ to go.,if/whether,whether,whether/if,whether,whether,Practice timeif/whether1.I,13,I,doubt,if/whether,he will pass the exam.,I,dont doubt,that,we will win the match.,Do you doubt,that,he did it on his own?,doubt,问题,肯定句中用,if/whether,否定句中用,that,疑定句中用,that,I doubt _he