1、专题语法十二名词性从句专题语法十二名词性从句关键点精析关键点精析一、名词性从句句法功效一、名词性从句句法功效名名词词性性从从句句在在句句法法上上相相当当于于一一个个名名词词，所所以以，它它能能够够作为句子主语、宾语、表语，以及名词同位语。作为句子主语、宾语、表语，以及名词同位语。1/201主主语从句从句That_the_earth_goes_around_the_sun is certain.地球地球围绕太阳太阳转是确定无疑。是确定无疑。Who_will_be_the_next_president_of_our_country is still hard to say.谁将成将成为我我们国家下
2、任国家下任总统极极难说。有有时为了了防防止止头重重脚脚轻，用用it充充当当形形式式主主语，把把主主语从句放到句末。从句放到句末。2/20It is still hard to say who_will_be_the_next_president_of_our_country.谁将成将成为我我们国家下任国家下任总统极极难说。It is a pity that_you_missed_such_a_wonderful_match.你你错过了了观看如此精彩比看如此精彩比赛真真遗憾。憾。另另外外，假假如如从从句句是是一一个个完完整整句句子子，仍仍要要用用that引引导，不可省略。不可省略。That_th
3、e_earth_is_round is known to all.众所周知，地球是众所周知，地球是圆。3/20例例(成成都都外外国国语学学校校模模拟)_children watch and learn from the people around them helps them to figure out how the world works.AWhich BThatCHow DWhat解解析析：考考查主主语从从句句。句句意意：孩孩子子们经过观察察和和向向周周围人人学学习来来了了解解周周围世世界界是是怎怎样运运作作。句句中中动词watch和和learn缺乏缺乏宾语，所以空白，所以空白处应填填
4、what。答案：答案：D4/202宾语从句从句We all know that_the_earth_is_round.我我们都知道地球是都知道地球是圆。We suppose that_running_water_is_pure_and_clean.我我们认为自来水很自来水很纯净。宾语从句也常由从句也常由it替替换，真正，真正宾语放在句尾。放在句尾。We take it for granted that_running_water_is_pure_and_clean.我我们认为自来水很自来水很纯净。I hate it when_people_smoke_before_me.我我厌恶人人们在我面前
5、抽烟。在我面前抽烟。5/20例例(北北京京)At first he hated the new job but decided to give himself a few months to see_it got any better.Awhen Bhow Cwhy Dif解解析析：考考查宾语从从句句。句句意意：一一开开始始他他不不喜喜欢这份份新新工工作作，但但还是是决决定定给自自己己几几个个月月时间来来看看一一看看是是否否情情况况会会有有好好转。从从句句中中不不缺缺乏乏时间、地地点点、原原因因，排排除除A、B、C三三项。D项表示表示“是否是否”，符合，符合题意。意。答案：答案：D6/203表
6、表语从句从句The problem is that_we_dont_have_much_time_left.问题是我是我们剩下剩下时间极少。极少。My question is who_is_responsible_for_all_this.我我问题是是谁对这事事负责。7/20例例(江江苏泰泰兴市市朝朝中中调研研)Do you think it wise for Chinese mothers to try to do everything for their children?No,thats_they are mistaken.Awhere BwhenCso Dhow解解析析：考考查表表语从
7、从句句。where引引导表表语从从句句，表表示示那那就是她就是她们错误所在。所在。答案：答案：A8/204同位同位语从句从句同同位位语从从句句用用来来解解释说明明前前面面名名词，通通常常由由本本身身无无意意义连词that引引导，通通常常不不可可省省略略。普普通通在在fact,news,idea,hope,doubt,fear,belief,dream,plan,advice,suggestion,decision等名等名词后有同位后有同位语从句，从句，详细说明明这些名些名词内容。内容。We were shocked at the news that_dozens_of_miners_were_
8、killed_in_this_mine_accident.许多名多名矿工死于工死于矿难，我，我们对这个消息感到震惊。个消息感到震惊。9/20Word came that there would be another hurricane coming.听听说将会有另一将会有另一场飓风。There is no doubt that_he_is_the_best_person_for_this_position.毫无毫无怀疑，他是疑，他是这个位置最正确人个位置最正确人选。10/20例例(江江西西)The fact has worried many scientists _ the earth is
9、becoming warmer and warmer these years.A.what B.whichC.that D.though解解析析：本本题考考查同同位位语从从句句。句句意意：近近年年来来全全球球气气候候不不停停变暖暖，这一一事事实使使得得很很多多科科学学家家感感到到担担忧。该题同同位位语从句从句结构完整，故构完整，故选连词that。答案：答案：C11/20二、名词性从句连接词二、名词性从句连接词名词性从句由隶属连词引导，有以下几类：名词性从句由隶属连词引导，有以下几类：1由由本本身身没没意意义义但但在在从从句句中中不不充充当当任任何何语语法法成成份份连连词词that引导。引导。H
10、e told me that he would come to visit us on Sunday.他告诉我他将在星期天来造访我们。他告诉我他将在星期天来造访我们。The teacher suggested that the students buy the books.这个老师提议学生买这些书。这个老师提议学生买这些书。12/202由由含含有有意意义但但在在从从句句中中不不担担当当成成份份连词whether或或if引引导。I dont know whether he will go with us or not.我不知道他是否和我我不知道他是否和我们一一块去。去。He asked me w
11、hether I would accept him as a new member.他他问我是否能把他作我是否能把他作为一名新一名新组员接收他。接收他。13/20例例 (海海 淀淀 模模 拟)Kevin consulted his teacher about_he should study abroad after graduation.Awhether BwhereCwhen Dthat解解析析：句句意意：Kevin就就毕业后后是是否否应该去去国国外外学学习征征求求了了老老师意意见。whether he should study abroad after graduation作作介介词abo
12、ut宾语。where与与句句中中abroad矛矛盾盾；when与与句句中中after graduation重重复复；that引引导宾语从从句句普普通通不作介不作介词宾语。答案：答案：A14/203由由带疑疑问意意义连接接副副词或或连接接代代词who,when,where,how,which,whose等引等引导。I dont know who will take his place if he leaves.我不知道假如他离我不知道假如他离职谁将接替他。将接替他。We all know when and where the next Olympic Games will be held.我我们
13、都知道下届奥运会将在何都知道下届奥运会将在何时何地何地举行。行。15/204由由连接代接代词what引引导。I dont know what he really likes.我不知道他到底喜我不知道他到底喜欢什么。什么。What he said proved true.他所他所说被被证实是真。是真。what作作为连接接代代词，负担担两两重重担担务：连接接句句子子和和代代替从句缺乏成份替从句缺乏成份(能能够代替从句主代替从句主语、宾语和表和表语)。What I want for the moment is a car.(主主语从从句句中中，what是是want宾语)16/20我此刻想要是一我此刻
14、想要是一辆汽汽车。What is left undone will be carried on by us.(主主语从从句中句中what是主是主语)未做完工作将由我未做完工作将由我们继续做。做。The city today is no longer what it was 5 years ago.(表表语从句中，从句中，what是表是表语)今天今天这个城市不再是它个城市不再是它5年前年前样子了。子了。what在在句句子子中中除除了了能能够代代物物(something)，还能能够代代人、人、时间、地点等。、地点等。17/20Please tell me what you want./Please
15、 tell me the thing that you want.(what指物指物)请告告诉我你想要什么。我你想要什么。He is what is known as walking dictionary,for he knows every word you dont know./He is the person that is known as a walking dictionary,for he knows every word you dont know.(what指人指人)他他就就是是人人们所所知知活活字字典典，因因为每每个个你你不不认识字字他他都都认识。18/20After a
16、long journey,they finally arrived at what is now Boston./After a long journey,they finally arrived at the place that is now Boston.(what指地点指地点)经过长途跋涉，他途跋涉，他们终于抵达今天波士于抵达今天波士顿。After what seemed hours of waiting,it was finally my turn./After a period of time that seemed hours of waiting,it was finally my turn.(what指指时间)等候了像是几个小等候了像是几个小时之后，最之后，最终终于于轮到我了。到我了。19/20例例(江江苏)Many young people in the West are expected to leave _ could be life s most important decisionmarriagealmost entirely up to luck.Aas BthatCwhich Dwhat解解析析：考考查名名词性性从从句句。宾语从从句句中中缺缺乏乏主主语，所所以以选择what。答案：答案：D20/20
