【正文】 e failed in the examination.(4)It doesn’t matter how/whether …結(jié)構(gòu)中的主語從句不可提前。例如：It doesn’t matter whether he is wrong or not.(5)含主語從句的復(fù)合句是疑問句時，主語從句不可提前。例如：Is it likely that it will rain in the evening? 與that 在引導(dǎo)主語從句時的區(qū)別What 引導(dǎo)主語從句時在從句中充當(dāng)句子成分，如主語．賓語．表語，而that 則不然。例如： What you said yesterday is makes mistakes must correct worried her a bit ____ her hair was turning and why he came here ________ not known not known not known not known is no reason for dismissing she was a few minutes late to a few minutes late fact that she was a few minutes late a few minutes late Tom liked to eat was different from …that you had expected …that you had expected …what you had expected …what you had expected we go swimming every day ________ us a lot of ...do ...do ...does ...does ________ Bob drives that thought what that thought that 39。s uncertain ________ the experiment is worth the boy didn39。t take medicine made his mother we can39。t get seems better than ____ we , what , that , that , what you don39。t like him is none of my 12..____ we39。ll go camping tomorrow depends on the going to do the job will be decided by the Party 39。ll finish translating the book depends on the won39。t go there is clear to all of house will be built will be discussed at tomorrow39。s 17.._______you e or not is up to 18.._______makes mistakes must correct 19.._______team will win the match is a matter of public 20..________leaves the room last ought to turn off the person [參考答案] 110 CBACD DDCAA 1120 CBDAC BDCAC第五篇：主語從句練習(xí)主語從句講解及練習(xí)主語從句一、概述：在句子中起名詞作用的各種從句統(tǒng)稱為名詞性從句。根據(jù)它們在句中的語法作用，這類從句又可分為主語從句、同位語從句、表語從句和賓語從句。：（1）由連詞that引導(dǎo)的主語從句:引導(dǎo)詞that無含義,在句中不做成分,不可以省。例如：That you will win the medal seems 。That you are so indifferent bothers 。That she survived the accident is a 。（2）用連詞 whether 引導(dǎo)的主語從句:whether有含義(是否),在句中不做成分,不可以省。例如：Whether she is ing or not doesn’t matter too 。（3）用連接代詞引導(dǎo)的主語從句(在由連接代詞who, whose, whom, which, what, whoever, whomever, whichever, whatever引導(dǎo)的名詞性從句中，其連接代詞在句中起名詞性作用，擔(dān)當(dāng)一定成分).例如：What you need is more 。What I want to know is 。Whatever we do is to serve the 。（4）連接副詞when, where, why, how引導(dǎo)的名詞性從句(其連接副詞有含義,在句中作狀語。)eg:Where we should leave it is a they will e hasn’t been made 。: 做形式主語,而將主語從句放在句末（尤其是當(dāng)謂語較短時）。例如：That light travels in straight lines is known to ，這是眾所周知的事。=It is known to all that light travels in straight 。When the plane is to take off has not been 。= It has not been announced when the plane is to take 。(當(dāng)what引導(dǎo)的主語從句表示“…的東西”時，一般不用it作形式主語。)錯:It is a book what he :What he wants is a 。例如：Has it been settled who will be sent to carry out the task ? 誰將被派去執(zhí)行這項任務(wù)決定了嗎 ？ 固定用法和譯法（1）It is +名詞+從句 It is a fact that… 事實是…… It is good news that … ……是好消息 It is a question that … ……是個問題 It is mon knowledge that … ……是常識類似的名詞還有：a pity；a wonder；a good thing； no wonder； surprise等。例如：It is a mystery to me how it all 。It is mon knowledge that the whale is not a ，這是常識。It is no surprise that Bob should have won the ，這不足為奇。（2）It is +形容詞+從句 It is necessary that … 有必要…… It is clear that … 很清楚…… It is likely that … 很可能…… It is important that … 重要的是……類似的形容詞還有：strange。natural。obvious。true。good。wonderful。possible。unlikely。quite。unusual。certain。evident。worthwhile。surprising。interesting。astonishing, ：It is obvious that conductors and insulators are both important in 。It is doubtful whether she will be able to 。It was really astonishing that he refused to talk to 。It is essential that he should be here by the ，他應(yīng)該到這里是必要的。It seems obvious that we can not go on like 。（3）It is +過去分詞+從句 It is said that … 據(jù)說…… It is reported that … 據(jù)報道…… It has been proved that … 已證明…… It must be proved that… 必須指出……類似的過去分詞還有：known。estimated。expected。believed。thought。hoped。noted。discussed。required。decided。suggested。demanded。made clear。found out,：It is thought that he is the best 。It is estimated that the vase is 2000 years 。It is used to be thought that a new star must be due to a collision between two 。It has not been made clear when the new road is to be opened to 。It does not matter if I missed my train, because there is another ，稍晚還有一趟。It happened that I saw him 。當(dāng)“及物動詞 + 賓語”較短時，也可用這種結(jié)構(gòu)。例如：It shocked me that Peter did not tell anybody where he 。It does not interest me whether you go or 。 as much as onefifth of all timber harvested is not some mammals came to live in the sea is not we have achieved is attributed to the guidance of our wealthy does not necessarily mean that a man is _____ happened in this developed country sounds like science fiction, it could occur elsewhere in the she had forgotten to take her am sure that _____ she said is lost our way in the forest, and _____ made matters worse was that it was getting some mammals came to live in the sea is not or not is still ’s _____ he’ll be able to he is at work in the heart of the big city or at home in the quiet suburb, Dick’s life is tied to he saw both surprised and frightened is a spell of warm is a pity that he should feel so a spoonful of soil can tell us so much about the structure and early history of the you nominate will be book you borrow must be returned within a of us gets home first starts he gives are makes mistakes must correct worried her a bit ____ her hair was turning and why he came here ________ is no reason for dismissing Tom liked to eat was different from we go swimming every day ________ us a lot of ________ Bob drives 39。s uncertain ________ the experiment is worth the boy didn39。t take medicine made his mother we can39。t get seems better than ____ we you don39。t like him is none of my ..____ we39。ll go camping tomorrow depends on the going to do the job will be decided by the Party 39。ll finish translating the book depends on the won39。t go there is clear to all of house will be built will be discussed at tomorrow39。s .._______you e or not is up to .._______makes mistakes must correct .._______team will win the match is a matter o