【正文】 2000病人服用過這種藥，但是它到底會帶來什么副作用還不可知。T9）It is uncertain __ side effect the medicine will bring about, although about two thousand patients have taken 【解析】選B。16.（2010which（哪一個）起定語的作用。題干中的takes是及物動詞，須帶賓語，4個選項中可以在名詞性從句中起名詞作用的又有一定含義的連接詞是what（什么；所。T14）As a new graduate, he doesn’t know it takes to start a business 【解析】選B。15.（2010句意：一個人旅游多么享受在很大程度上取決于他和誰去，無論是他的朋友還是親戚。四川卷動詞或介詞后的賓語從句應該用陳述語序，故選B。T 37）When changing lanes, a driver should use his turning signal to let other drivers know is entering which lane lane he is entering he entering which lane lane is he entering 【解析】選B。13（2010在is后面的表語從句中，she為主語，can have easy access to是謂語，places是賓語，句子結構完整，故選A，that在表語從句中不作任何成分。T 36）One reason for her preference for city life is she can have easy access to places like shops and 【解析】選A。12．（2010要選的詞在主語從句中不作任何成分，只起連接作用，只有that 符合要求。T 18）It never occurred to me _____ you could succeed in persuading him to change his 解析】選C。11.（2010which 引導名詞性從句時多表示疑問且要有一個明確的范圍。句意為：在大甩賣開始前，我把孩子們在下個季節(jié)里要用到的東西列了一個清單。0山東卷這是一個賓語從句，根據(jù)句意可選出D。T35）Cindy shut the door heavily and burst into one in the office knew she was so 選D。9.（2010分析句子結構可知，所填的詞引導賓語從句，而且在賓語從句中作have的賓語，所以what符合要求。福建卷故用what，表示“什么東西”。句意：“一些人認為是缺點的東西，會被其他許多人看做長處。北京卷在這個表語從句中，要選的詞在從句里面不作任何成分，只起連接作用，無實際意義，只有B項符合這個要求，其他三個選項均不符合。北京卷由句意可知，強調(diào)的是內(nèi)心的東西，即內(nèi)容，所以要選what。句意：“我希望因為內(nèi)心的東西而被別人喜歡和愛。北京卷“在某方面與人觀點不一致”應該是指抽象的地點，所以用where引導表語從句。你應該過更積極的生活。句意：—— 星期天我寧愿整天關在家里聽音樂。江蘇卷7）I was there in )I have been there )He met his brother in the street )He hasn39。6）Did he go to the meeting?(會議已經(jīng)結束)。2）He has lost a pen.(這件事發(fā)生在過去，對現(xiàn)在產(chǎn)生的影響是沒有鋼筆用)?！局R拓展】一般過去時與現(xiàn)在完成時區(qū)別一般過去時指一個單純的過去動作，與現(xiàn)在無關；現(xiàn)在完成時指過去的動作對現(xiàn)在的影響。where在此引導賓語從句并在從句中做地點狀語，表示“在。句意：你讀完這本書了嗎？沒有。全國卷II由此題可知，做此類題時，一定要做到不僅看句子的意思還要看句子中缺少什么成分。若選B，要在worried后面加上about才可以。認為句意是她不想告訴我們她擔心什么。例如：Jane looks blue she doesn’t want to tell us _______ that she is is it it is is it it is 此題選D。根據(jù)句意以及句中缺少的成分可知選D。句意：我們還沒有談論將把我們的新家具放在哪兒。全國卷I本題是考查主語從句，從句中缺少賓語，用what補上。如：(1)I don’t know ________ he lives.(2)I don’t know ________ he lives there.(3)I don’t know ________ he lives there by fishing.(4)I don’t know ________ he ，句子(1)可填地點、方式等連接詞where / how；句子(2)可填that, whether / if，原因連接副詞why 或方式連接副詞how；句子(3)可填that, whether / if，原因連接副詞why；句子(4)缺少賓語，可填what。如：Do you know if he hasn’t been to Washington? 你知道他是否沒有去過華盛頓嗎？ 此句子中的If不能用whether替換。(2)They are discussing whether they can employ the new 。Have you decided whether to go there tomorrow? 明天是否去那兒，你決定了嗎？(句子中的whether不能用if替換)5)whether引導的從句可作某些介詞及動詞discuss的賓語，而if則不可以。也可理解為：如果他愿意來，就告訴我一聲。(1)Let me know whether he will 。(2)The radio didn’t say whether it would rain or not 。(2)Do you know if / whether his words are ？ 2)whether可與or not連用，而if則不可以。如果if引導主語從句時，只能放在句中，而不能置于句首。(3)He looks as if he knows the 。如：(1)That he learnt English before is 。因此，它們所引導的句子結構必須完整。(2)The question is why there is little rain 。使用名詞性從句的兩個注意點注意1 語序問題不管什么詞引導，從句的語序始終用陳述語序。如：I don’t know when he will e, but when he es, I’ll call ，但當他來的時候，我會打電話給你。I asked her whether she would , if 這兩個詞既可引導名詞性從句，也可引導狀語從句。如：She said that she didn39。如：Why was she crying? 她為什么在哭？I don’t know why he was 。I didn’t ’s because I had a ，那是因為我感冒了。如：I had a ’s why I didn39。 與 because 的用法區(qū)別。t eat you, whoever he ，他也不能把你吃掉。如：Whatever happens, you must be ，你都必須鎮(zhèn)靜。Buy whichever is 。如：Whoever wants the book may have 。We gave him what(little)help we 。注：what 后的名詞可以是復數(shù)名詞或不可數(shù)名詞，但通常不能是單數(shù)可數(shù)名詞，并且后接不可數(shù)名詞時，有時可有l(wèi)ittle修飾，兩者的區(qū)別是：what+不可數(shù)名詞=所有的都，what little+不可數(shù)名詞=雖少但全部。如： I gave him what books I 。I don’t know what you want is 。它引導的名詞性從句有兩個意思是：一是表示“什么”，帶有疑問意味；二是表示“…所…的”，相當于一個先行詞后接一個關系代詞。Why he did it will remain a puzzle 。如： The question is how we should carry out the 。Tell me which one you like 。When we arrive doesn39。(引導主語從句，不能用 if 代替 whether) who(m), whose, which, what 等，均有各自的意義，在從句中作主語、賓語、定語等。He asked whether [if] I would show him the 。That he likes you is very 。二、名詞性從句的一般引導詞 that 只起連接作用，沒有任何意思，也不充當句子成分，在賓語從句中可省略，但引導其他名詞性從句時通常不省略。如果從句中不缺成分，而僅表示陳述事實，則用that引導。如果名詞性從句中缺少主語、賓語、表語或定語，則選用連接代詞。解題時，應首先確定選用連接代詞還是連接副詞。第三篇：高三英語語法復習名詞性從句高三英語語法復習名詞性從句一、概說名詞性從句，即指性質相當于名詞的從句，它包括主語從句、賓語從句、表語從句和同位語從句。She had not been married many weeks when that man39。例如：The ant is not gathering this for itself alone.（否定狀語）螞蟻不只是為自己采食。（anyone 作主語，從句中的謂語動詞不能用否定形式。（not否定動名詞短語 having…）It39。例如：I don39。ll have a sunny day 。It doesn39。例如：It doesn39。t 。注意：若謂語動詞為hope,賓語從句中的否定詞不能轉移。I don39。例如：I don39。t care whether you like the plan or 。例如：Please tell me whether / if they are Swedish or 。介詞賓語： I worry about whether he can pass through the crisis of his 。形容詞賓語： She39。表語：The point is whether we should lend him the 。例如：主語：Whether the plan is feasible remains to be 。It remains unknown when they are going to get 。2）Wh從句作主語也常用先行詞it做形式主語，而將wh從句置于句末。m not sure why she refused their 。同位語：I have no idea when he will 。表語： My question is who will take over president of the 。s own home one can do what one 。例如：主語： How the book will sell depends on its 。Wh詞包括who, whom,.whose, whoever, what, whatever, which, whichever等連接代詞和where, when, how, why等連接副詞。s a pity that you should have to 。例如：It is quite clear that the whole project is doomed to ，整個計劃注定要失敗。形容詞賓語：I am glad that you are satisfied with your 。表語：The fact is that he has not been seen 。例如：主語：That he is still alive is sheer 。That只起連接主句和從句的作用，在從句中不擔任任何成分，本身也沒有詞義。It is still unknown which team will win the ，形勢尚不明朗。但在下列情況下，whether 不能被if 取代：“or not”大部分連接詞引導的主語從句都可以置于句末，用 it充當形式主語。We heard the news that our team had 。 引導名詞性從句的連接詞引導名詞性從句的連接詞可分為三類：連接詞： that, whether ,if（不充當從句的任何成分）連接代詞：what, whatever, who, whoever, whom, whose, which 連接副詞：when, where, how, why 不可省略的連詞：。7..that引導同位語從句與定語從句的區(qū)別名詞性從句試題： doctor thought ______would be good for you to have a holiday.（全國Ⅱ） haven’t discussed yet ______ we are going to place our new furniture.(全國I）is in charge of International Sales please?(全國I）that haman beings are naturally equipped to speak.（全國Ⅱ