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1、学习必备 欢迎下载 高考英语主语从句 定义:用作主语的从句叫主语从句,它是名词性从句之一。主语从句的时态:不受主句的时态影响和限制。引导主语从句的连接词有:从属连词:that,whether;连接代词:who(whoever),whom,whose,what(whatever)和 which(whichever);连接副词:when,where,how和 why。连接词:1.从属连词:that,whether 1)that 引导主语从句只起引导作用,在主语从句中不充当任何成分,that 本身无实际意义,但不能省略。2)whether 意为“是否”,放在句首句末皆可。由 whether 引导的名
2、词从句做 主语,表语,介词宾语,同位语时!不可用 if代替。a.That price will go up is certain.b.Whether they would support us was a problem.他们是否会支持我们还是一个问题。2.连接代词 who,what,which,whatever,whichever,whoever(Who,whom,which,what可以和ever 构成合成词,和 what 一样引导从句,ever 起到强调作用。此类主语从句不能用形式主语 it引导,它们在句子中担任成分,不能省略,语序为陈述语序,既有疑问含义,又起连接作用,同时在从句中充当
3、各种成分。Which side will win is not clear.Whoever breaks the law will be punished.Whatever he did is right.Who killed the scientist remains a question.1)What 和 that 引导的主语从句的区别:that 只起引导作用,不充当任何成分,没有意思。What 不仅起引导作用,还要充当一定成分(主语、宾语或表语),意思是:“什么”。What we need is money.That he will come is certain.2)whatever/
4、whoever的用法(ever=no matter-让步状语从句中)whatever/whoever可以引导主语从句,并在句中作主语、宾语、表语等,不含疑问意义。whatever相当于 anything that;whoever 相当于 anyone who。例如:Whoever(Anyone who)wants to enter into this school must take the exam.Whatever(Anything that)she did was right.3.连接副词 when,where,how,why 等。既有疑问含义,又起连接作用,同时在从句中充当各种成分。H
5、ow this happened is not clear to anyone.When he will be back depends on the weather.When well start tomorrow will be told soon.Where the test will be given is not yet decided.4.主语从句后置:为了避免主语冗长,句子头重脚轻,经常用 it 作形式主语,主语从句放在后面作真正的主语.例:That we shall be late is certain.-Its certain that we shall be late.1)
6、用 it 作形式主语的结构 A.It+be+形容词+that 从句 (obvious,true,surprising,good,wonderful,funny,possible,likely,certain,probable,etc.)如:It is certain that she will do well in her exam.B.It+be+名词词组+that 从句 (an honour,a fact,a pity,etc)如:It is a pity/shame that.遗憾的是 It is a surprise that令人惊奇的是 It is a fact that 是事实 I
7、t is common knowledge that 是常识 Its a pity that we cant go.C.It+be+过去分词+that 从句(said,reported,thought,expected,decided,announced,etc。)如:It is said that Mr.Green has arrived in Beijing.D.It+不及物动词或短语+that 从句(seem,happen,doesnt matter,turn out)。如:It happened that I was out that day.It doesnt matter whet
8、her she will come or not.2)对于以连接代词(副词)引导的主语从句,可以使用形式主语代主语从句,也可直接在句首使用主语从学习必备 欢迎下载 句:a.Whether they would support us was a problem.b.It was a problem whether they would support us.3)主语从句中的否定前移 当用 it作形式主语,而将主语从句放在句尾时,主语从句中的否定词常要前移至主句中。例如:It doesnt seem that they are from the same university.It doesnt
9、appear that well have a sunny day tomorrow.5.注意:1)主语从句在句首时,必须由连接词引导,不能省略这些连接词。误:They should like each other is natural.正:That they should like each other is natural.2)在 It+be+suggested/advised/ordered/requested/insisted/required 中,that 从句的谓语也应该用“should+动词原形”的形式,should 有时可以省略。主语从句中用陈述语序,后面的谓语动词用第三人称单
10、数.It is suggested that we(should)do the experiment a second time.3).用于 It is important/natural/necessary/impossible that.句型中,主语从句应使用虚拟语气,用“should+动词原形”的形式,should 有时可以省略。It is important and necessary that we(should)keep the balance of nature.4)“what”引导主语从句时,谓语动词:常与其后的名词作表语一致,且根据句子的语境而定。eg:What you le
11、ft are only several old books.What you said is of great importance.5)在 It is funny,strange,surprising,a pity,a shame,no wonder,etc.+that从句中,有时谓语部分用should+动词原形,来表达说话者的感情色彩,此时 should 也可省略。6)语气 It be+adj./n.+that-clause与强调句型均有 It be.that.之类的语言标志,但不同的是:前者中的 that 从句是主语从句.若删掉其中的It be 和that,则剩余部分不论结构还是语意都不
12、能成为一个句子;但若将后者中的 It be 和 that 去掉,则剩余部分的结构和语意仍能构成一个完整的句子.强调句型译为汉语时可加上正是或就是之类的字眼,而主语从句则不可以.It is surprising that Mary should have won first place.令人惊奇的是玛莉竟然获得了第一名.It is Mary that has won first place.正是玛莉得了第一名.【强调】6.主语从句的规律:例 1.When will he come is not known.正:When he will come is not known.规律一、主语从句一律用陈
13、述语序,即主语在前,谓语在后。例 2.He will not come to the meeting this evening is true.正:That he will not come to the meeting this evening is true.规律二、连词 that 在从句中无实际意义,但不能省略。例 3.If the meeting will be put off has not been decided yet.正:Whether the meeting will be put off has not been decided yet.规律三、whether 可以引导主
14、语从句,放在句首,但 if 不能 例 4.That whether he will help others is a fact.正:That he will help others is a fact.规律四、主语从句中的连词不能重叠使用。例 5.When he will come are a puzzle.正:When he will come is a puzzle.规律五、含主语从句的主句谓语动词多用单数第三人称形式。1.What he needs is that book.2.What he needs are some books.规律六、what 引导的主语从句,可根据表语决定主句
15、动词的单复数形式。规律七、主语从句为了避免头重脚轻现象,用 it 做形式主语,而把从句放在后面。That the earth turns around the sun is known to all.It is known to all that the earth turns around the sun.1.what/that 句的时态影响和限制引导主语从句的连接词有从属连词连接代词和连接副词和连接词从属连词引导主语从句只起引导作用在主语从句中不充当任何成分本身无实际意义但不能省略意为是否放在句首句末皆可由引导的名词从句做主语起到强调作用此类主语从句不能用形式主语引导它们在句子中担任成分不
16、能省略语序为陈述语序既有疑问含义又起连接作用同时在从句中充当各种成分和引导的主语从句的区别只起引导作用不充当任何成分没有意思不仅起引导作用等不含疑问意义相当于相当于例如连接副词等既有疑问含义又起连接作用同时在从句中充当各种成分主语从句后置为了避免主语冗长句子头重脚轻经常用作形式主语主语从句放在后面作真正的主语例用作形式主语的结构形容词从句学习必备 欢迎下载 a._ he said at the meeting surprised us.b._ he turned up at the meeting surprised us.2.if/whether _you go or stay at hom
17、e wont make any differences.3.it What a pity _is _you didnt arrive by daylight.A.there,because B.it,that C.he,when D.that,for 4.no matter how/who/what/where/when We are ready to do _ the country wants us to do.A.what B.which C.no matter what D.whatever 5.It is a pity that you(should)miss such a good
18、 chance._ he made an important speech at the meeting was true.A.That B.Why C.What D.How 6._well go camping tomorrow depends on the weather.A If B Whether C That D Where 7._ is known to us all is that America is a developed country.A Which B As C What D It 8.Its known to us all _ a form of energy.A.w
19、ater is B.that water is C.is water D.that water to 9.It worried her a bit _ her hair was turning gray.A.whether B.that C.what D.when 10.What I say and think _ none of your business.A.is B.are C.has D have 11._ his dream of going to college will come true is uncertain.That B.Whether C.If D.Even if 12
20、.It is known to us _ where there is pollution,there is harm.A.which B.where C.what D.that 13.-I saw your neighbor break your window with a basketball.-_ it made me nearly mad.A.That he broke B.What he broke C.He broke D.His break 14.It remains a question _ we can get so much money in such a short ti
21、me.A.how B.that C.when D.what 15.He made a promise _ anyone set him free he would make him very rich.A.that B.if C.what D.that if 16.They lost their way in the forest and _ made matters worse was _ night began to fall.A.what;that B.it;that C.what;when D.which;what 17._that they found an unusual plan
22、t in the forest.A.It is said B.They are said C.It said D.It says 18._ caused the accident is still a complete mystery.A.What B.That C.How D.Where 19.It worried Mary a lot _ she would pass the college entrance examination.A.whether B.if C.that D.how 20._ is no possibility _ Bob will win the first pri
23、ze in the match.A.There,that B.It,that C.There,whether D.It,whether 21._surprised me most was _such a little girl of seven could play the violin so well.A.That;what B.What;that C.That;that D.What;what 22._ helped to save the drowning girl is worth praising.A.Who B.Anyone C.Whoever D.The person 句的时态影
24、响和限制引导主语从句的连接词有从属连词连接代词和连接副词和连接词从属连词引导主语从句只起引导作用在主语从句中不充当任何成分本身无实际意义但不能省略意为是否放在句首句末皆可由引导的名词从句做主语起到强调作用此类主语从句不能用形式主语引导它们在句子中担任成分不能省略语序为陈述语序既有疑问含义又起连接作用同时在从句中充当各种成分和引导的主语从句的区别只起引导作用不充当任何成分没有意思不仅起引导作用等不含疑问意义相当于相当于例如连接副词等既有疑问含义又起连接作用同时在从句中充当各种成分主语从句后置为了避免主语冗长句子头重脚轻经常用作形式主语主语从句放在后面作真正的主语例用作形式主语的结构形容词从句学习
25、必备 欢迎下载 23._ she couldnt understand was _ fewer and fewer students showed interest in her lessons.A.What;why B.That;why C.What;because D.Why;that 24.It was _ he said _ disappointed me.A.What;that B.That;that C.What;what D.That;what 25._ is a fact that English is being accepted as an international la
26、nguage.A.There B.This C.That D.It 26._leaves the room last ought to turn off the lights.A.Anyone B.The person C.Whoever D.Who 27._ makes mistakes must correct them.A.What B.That C.Whoever D.Whatever 28.Is this factory you visited the other day?A.that B.where C.in which D.the one 29.When and why he c
27、ame here _ yet.A.is not known B.are not known C.has not known D.have not known 30._ is no reason for dismissing her.A.Because she was a few minutes late B.Owing to a few minutes late C.The fact that she was a few minutes late D.Being a few minutes late 31._ Tom liked to eat was different from _.A.Th
28、atthat you had expected B.What that you had expected C.Thatwhat you had expected D.Whatwhat you had expected 32._ we go swimming every day _ us a lot of good.A.If.do B.That.do C.If.does D.That.does 33.It _ Bob drives badly.A.thinks that B.is thought what C.thought that D.is thought that 34.Its uncer
29、tain _ the experiment is worth doing.A.if B.that C.whether D.how 35._ the boy didnt take medicine made his mother angry.A.That B.What C.How D.Which 36._ we cant get seems better than _ we have.A.What,what B.What,that C.That,that D.That,what 37._ you dont like him is none of my business.A.What B.Who
30、C.That D.Whether 38._ well go camping tomorrow depends on the weather.A.If B.Whether C.That D.Where 39._is going to do the job will be decided by the Party committee.A.That B.Why C.How D.Who 40._well finish translating the book depends on the time.A.When B.Why C.What D.That 41._he wont go there is c
31、lear to all of us.A.How B.What C.Why D.This 42._the house will be built will be discussed at tomorrows meeting.A.If B.Where C.That D.What 43_you come or not is up to you.A.What B.If C.Why D.Whether 44._team will win the match is a matter of public concern.A.Which B.That C.If D.How 45 Is this the fac
32、tory _ some foreign friends visited other day?A that B where C which D the one 46 Is this the factory _ he worked ten years ago?A that B where C which D the one 句的时态影响和限制引导主语从句的连接词有从属连词连接代词和连接副词和连接词从属连词引导主语从句只起引导作用在主语从句中不充当任何成分本身无实际意义但不能省略意为是否放在句首句末皆可由引导的名词从句做主语起到强调作用此类主语从句不能用形式主语引导它们在句子中担任成分不能省略语序为
33、陈述语序既有疑问含义又起连接作用同时在从句中充当各种成分和引导的主语从句的区别只起引导作用不充当任何成分没有意思不仅起引导作用等不含疑问意义相当于相当于例如连接副词等既有疑问含义又起连接作用同时在从句中充当各种成分主语从句后置为了避免主语冗长句子头重脚轻经常用作形式主语主语从句放在后面作真正的主语例用作形式主语的结构形容词从句学习必备 欢迎下载 1.what/that 2.Whether 3-10 BDA BCBBA 11-20 BDAAD AAAAA 21-30 BCAAD CCACC 31-40 DDDCA ACBDA 41-46 CBDAAB 句的时态影响和限制引导主语从句的连接词有从属连词连接代词和连接副词和连接词从属连词引导主语从句只起引导作用在主语从句中不充当任何成分本身无实际意义但不能省略意为是否放在句首句末皆可由引导的名词从句做主语起到强调作用此类主语从句不能用形式主语引导它们在句子中担任成分不能省略语序为陈述语序既有疑问含义又起连接作用同时在从句中充当各种成分和引导的主语从句的区别只起引导作用不充当任何成分没有意思不仅起引导作用等不含疑问意义相当于相当于例如连接副词等既有疑问含义又起连接作用同时在从句中充当各种成分主语从句后置为了避免主语冗长句子头重脚轻经常用作形式主语主语从句放在后面作真正的主语例用作形式主语的结构形容词从句
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