名词性从句 (2)

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,*,名词性从句,1.,名词性从句包括：,主语从句、宾语从句、表语从句和同位语从句,。,2.,名词性从句主要有四种从句结构：以,that,引导的从句；以,whether/if,引导的从句；以特殊疑问词引导的从句；以,what,或,wh-ever,等连接代词引导的从句。此外，,as if/as though,也可引导表语从句。,that,(,一,),主语从句,1.that,从句作主语时，常用,it,作形式主语，常见的句型有：,(1)It+be+,形容词,+that,从句,eg.It is probable that he told her everything.,(2)It+be+,名词词组,+that,从句,eg.It is no wonder he is angry.,难怪他生气了。,(,3)It+be+,过去分词,+that,从句,Eg.It is said Mr Green has arrived in Beijing.,注意：,在口语和非正式文体中，,that,常可省略，尤其是在非常短的句子中，,that,总是不必要的，但,that,从句位于句首时，连词,that,是,绝对不能省略,的。如：,Its a pity(,that,)youre leaving.,That,we are invited to a concert this evening is good news to us.,(,二,),宾语从句,Do you know(,that,)he has joined the army and,that,he has married?,We think,it,highly probable,that he is dead,.,He has made,it,clear,that he will not give in,.,that,从句一般不能充当介词宾语，偶尔可作,except,in,的宾语。,Eg.He is a good student,except that,he is a little bit careless.,He differed from his classmates,in that,he devoted his spare time to reading.,其他介词后需要用,that,从句作宾语时，必须用,it,作形式宾语。,Eg.You may depend on,it that,I shall always help you.,(,三,),表语从句,that,引导表语从句时，不可省略。,Eg.My decision is,that,all of us,are to,start at 6 oclock tomorrow morning.,(,四,),同位语从句,连词,that,引导同位语从句时，应在某些抽象名词之后，如：,fact,hope,desire,thought,suggestion,idea,news,problem,possibility,等，对前面的名词起补充说明的作用，连词,that,只起到引导同位语从句的作用，在从句中不担当任何成分，不能省略。如：,There is a feeling in me that well never know what a UFO is not ever.,名词性从句中,that,用法总结：,that,无词义，不在从句中作任何成分，但不可省略。,(,只有,第一个宾语从句,中的,that,可省。,),whether/if (,是否,),(,一,),表语从句和同位语从句只能用,whether,引导；当主语从句位于句首时，也只能用,whether,引导；当,it,作形式主语时，主语从句放在句末时，用,whether,或,if,引导均可。,discuss,后必须用,whether,引导宾语从句。,请同学们自己总结做题技巧：,有,whether,就不选,if,，因为,if,只能用在,宾语从句,(discuss,除外,),和,后置的主语从句中,。,Whether,the meeting will be given is still a problem.(,主语从句位于句首,),=The problem is,whether,the meeting will be given.(,表语从句,),=I have no idea,whether,the meeting will be given.(,同位语从句,),We will discuss,whether,we should have a meeting.(discuss,后的宾语从句,),It is doubtful,whether/if,he will come here.,(,主语从句放在句末,),在介词后只用,whether,不用,if,Eg.It depends on whether you can do the work well.,用,whether,或,if,填空,_ well go camping tomorrow depends on the weather.,I am not sure _ he will come here or not.,This decision will have effect on _ or not he will succeed.,Whether,whether/if,whether,whether/if,用法总结,whether/if,不作成分，但具有“是否”的含义。不能省去，因为有“是否”的含义。,特殊疑问词（观察法）,It makes no difference,where,we shall have the meeting.,I cant imagine,how,he did it.,We are worrying about,what,we should do next?,The problem is,where,we should stay.,My question,how,I shall get in touch with him hasnt been answered.,注意语序要用陈述语序,。,理解以下句子,1.What they need,is,love.,What they need,are,books.,2.,Who,will be sent there hasnt been decided.,3.,Whoever,wants to stay in a hotel has to pay their own way.,名词性从句还可以作宾语补足语,Well make him whatever he is fit for.,他适合干什么，我们就培养他干什么。,2.Ill call the baby whatever name you like.,你喜欢什么名字，我就叫小孩什么名字。,3.He has made the company what it is today.,他把公司办成了今天这个样子。,额外记住：,as if/as though,because,why,也可引导表语从句。,It looked,as if,it was going to rain.,Thats,because,he didnt work hard enough.,That was,why,I asked for three days leave.,reason/cause,the reason/cause is that,做题技巧（,杜老师原创,）,在名词性从句中：,what,单独作,主语,、,宾语,和,表语,；,that,不充当任何句子成分，无词义，但不可省略,.,（引导第一个宾语从句的,that,可省）；,whether,比,if,有把握；,其他词根据语义选。,