名词性从句 公开课一等奖ppt课件.ppt
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1、九、名词性从句,考点1连接词1.that(1)that在名词性从句中不作任何成分,引导宾语从句时有时可以省略,引导主语从句、表语从句和同位语从句时不能省略。,*We must not forget that housing is for living,not for speculation.*I love the fact that Chinese buses,motorcycles,trains and aircraft are either economical or cheap.,【点津】that引导宾语从句四种不能省略的情况:that从句作介词的宾语时*I dont know exac
2、tly where he lives,except that its somewhere out in the wilds.,动词后跟有多个that引导的宾语从句时,只有第一个that可以省略,从第二个从句开始that不可省略。*He told me he had to leave and that he would be back soon.,宾语从句前有插入语时*We hope,on the contrary,that he will stay at home with us.that引导的从句位于句首时*That you dont like him is none of my busin
3、ess.,(2)that引导主语从句时,常用it作形式主语的常见句型有:It+be+形容词(necessary/right/likely/unlikely/wrong/important/certain等)+that从句*It isnt likely that I should accept such an offer as that.,It+be+名词(短语)(a pity/a shame/a surprise/no wonder等)+that从句*Its no wonder that he didnt want to go.It+be+过去分词(said/told/reported/dec
4、ided等)+that从句*It is decided that the meeting has been put off till next Monday.,It+特殊动词(seems/appears/happens/matters/turns out/occurs to/makes no difference etc.)+that从句*It suddenly occurred to her that Joe was afraid of being alone.,【点津】在以下主语从句中,常使用虚拟语气,即谓语动词用“should+动词原形”形式,其中的should可以省略。It is ne
5、cessary/strange/important/natural etc.+that.It is a pity that.,It is suggested/requested/required/proposed/desired etc.+that.*Its necessary that a college student(should)master one or two foreign languages.,(3)it作形式宾语的宾语从句动词find,feel,think,consider,make,believe等后面有宾语补足语时,需用it作形式宾语而将that引导的宾语从句后置。*He
6、 has made it clear that the meeting will not be postponed.,一些动词短语see to,depend on,rely on等常用it作形式宾语,而将宾语从句后置。I shall see to it that he is taken good care of when you are absent.,2.whether与if引导的名词性从句(1)引导主语从句、表语从句、同位语从句时一般用whether,不用if。*Whether he can finish his task on time is of great importance.*T
7、he problem is whether the air pollution can be controlled.,(2)whether与if引导宾语从句时大多数情况下可以互换,但下列情况下宜用whether:后面直接跟or not时用whether*I dont know whether or not the report is true.用于介词后引导宾语从句时用whether*It depends on whether we have enough time.,【点津】doubt后接宾语从句时,如果用于肯定句,从句的引导词用whether或if;用于否定句或疑问句时,从句的引导词常用t
8、hat。*The doctor really doubts whether my mother will recover from the serious disease soon.*Never once did I doubt that I would be able to carry out my plan.,【题组训练】1.(2018成都模拟)Witnesses described _ Daly had little or no chance of stopping behind the still traffic and he turned to avoid the van but h
9、it a Mazda on the other side of the road.世纪金榜导学号79060251,that,2.The reason why black tea is dark in colour is _ the leaves have been allowed to oxidize(氧化)before drying.3.The question is _ you are ready at this time to go for it.,that,whether,4.(2018南昌模拟)Secondly,there is no doubt _ the event will a
10、ttract more visitors to enjoy visiting this wonderful city.,that,考点2 连接代词1.连接代词what的用法what可引导主语从句、宾语从句和表语从句,在从句中作主语、表语、宾语或宾语补足语等。它引导名词性从句时有两个意思:一是表示“什么”,带有疑问意味;二是表示“所的”,相当于一个先行词后接一个关系代词。,*Our teachers always tell us to believe in what we do and who we are if we want to succeed.,2.whoever,whatever,wh
11、omever,whichever与who,what,whom,which的区别,【题组训练】1.Even if they never see their results,they feel that their IQ is _ determines how well they are going to do in life.,what,2.(2018衡水模拟)I mainly listened to _ my parents were listening to.3._ comes here to have the meeting will be treated to a wonderful d
12、inner.4.Wondering _ it was,Terry,a newcomer to this city,went to the door and opened it impatiently.,what/whatever,Whoever,who,5.(2018南昌模拟)My friend Julia brought out all her dresses and told me to take _ suited me best.,whichever,考点3 连接副词引导名词性从句的连接副词有when,where,why,how,whenever,wherever等,它们均在从句中作状语
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