2025届高考英语一轮复习名词性从句ppt课件.pptx

1、授课人：希希授课人：希希CONTENTSCONTENTS分类和连接词分类和连接词0101主语从句主语从句0202宾语从句宾语从句0303表语从句表语从句习题训练习题训练0404同位语从句同位语从句050506060101分类和连接词分类和连接词What is 名词性从句？从句在句子中所起的作用相当于名词短语在句子中所起的作用，因此称为名词性从句。根据在句子中充当不同成分，分为：主语从句、宾语从句、表语从句、同位语从句。主语主语从句His job is very important.小结：小结：做主语的是一个句子位置：位置：谓语动词之前What he does is very important

2、.Lets learn特殊：it作形式主语的主语从句宾语宾语从句I dont like his job.小结：小结：做宾语的是一个句子 位置：位置：动词后，介词后，形容词后I dont like what he does.Lets learn表语表语从句This is his job.小结：小结：做表语的是一个句子位置：位置：系动词之后This is what he does.Lets learn同位语同位语从句I dont know Peter,the man in red.小结：小结：做同位语的是一个句子位置：位置：抽象名词之后，起解释说明作用I dont know the fact th

3、at he is the boss.Lets learn常见抽象名词：常见抽象名词：hope/wish/fact/answer/problem/news/belief/idea/promise/suggestion/order/conclusion/information/thought/evidenceLets analyze:What types of the clauses are these sentences?1.Do you know who the Chinese Doctor is?2.Bravely telling the truth is what a hero shoul

4、d have.3.The fact that Li Wenliang is the hero of China is known to us.4.It is certain that Li Wenliang is the hero of China.Object Clause:动词动词+含连接词的句子含连接词的句子Predicative Clause：系动词系动词+含连接词的句子含连接词的句子Appositive Clause：抽象名词抽象名词+含含连接词的句子连接词的句子Subject Clause：含连接词的句子含连接词的句子+谓语谓语动词动词+宾语宾语1.连接词that，whether，

5、ifThey promised(that)they would respect our privacy.I asked him whether/if he had done this thing by himself.连接词词义在从句成分引导从句类型连接词位置that无不充当所有句首/句中if是否不充当所有句首/句中whether 是否不充当主从、宾从不可位于句首和介词后whether和if区别：（1）whether可以引导所有名词性从句，而if主要引导动词后的宾语从句和不在句首的主语从句，此时if和whether可以互换。Whether he is rich or not makes no

6、difference.The question is whether it is worth trying.I dont know whether/if he will attend the concert.It is doubtful whether/if he is innocent.（2）whether后可以直接跟or not，此时不能用if替代whether。I dont know whether or not she will come.2.连接代词Whoever wants to stay in a hotel has to pay their own way.You can us

7、e whatever I have.连接代词词义在从句成分能否省略what（ever）（无论）什么主、宾、表、定不能省who（ever）（无论）谁主不能省whom（ever）（无论）谁宾不能省which（ever）（无论）哪个主、宾、表、定不能省whose谁的定不能省3.连接副词Thats where he used to live.We didnt know why she didnt come.连接副词词义在从句成分能否省略how(ever)(无论)如何方式状语不能省when(ever)(无论)何时时间状语不能省where(ver)(无论)何地地点状语不能省why为什么原因状语不能省4.当

8、名词性从句要采用陈述句语序。由一个含疑问意义的连词引起时，必须将该连词放在名词性从句的开头，且该从句语序不能倒装。It is a fact that English is being accepted as an international language.The trouble is that she has lost his address.They have no idea at all where he has gone.Do you remember how he came?0 02 2主语从句主语从句一、定义主语从句是在主从复合句中做主语的名词性从句，一般放在句首。That we

9、 all should attend the meeting is important.Why he did that is beyond my understanding.Whom they invited to the party remains a secret.What you need is a good rest.二、连接词1.that，whetherthat在主语从句中不充当任何语法成分，只起连接作用且无词义，一般不能省略。whether在主语从句中不充当任何语法成分，起连接作用，且有“是否”的含义。That the earth is round is true.Whether

10、it is true or not is still a question.2.who,whom,whose,what,which,whoever,whomever,whatever,whichever。Who will come to teach the students is not known.Whom the watch belongs to is unknown.Whose watch was lost is unknown.Whatever he said wasnt true.3.where，when，how，why。Where the library is to be buil

11、t has not been decided yet.When we start the work is an important question.三、it作形式主语1.It+be动词+过去分词/形容词/名词（短语）+主语从句It is a pity that you did not finish the job on time.It is decided that the action is canceled.It is likely that the sport meets will be postponed until next week.2.It+不及物动词+主语从句It doesn

12、t matter whether he likes it or not.It suddenly occurred to me that we took the wrong bus.三、it作形式主语3.It+及物动词+宾语+主语从句It will not make any difference who raised the question.It appears that the drought in Kansas has become less serious.4.It+be动词+介词短语+主语从句It is of great importance whether we can improv

13、e our research.5.常见句型：It is reported that 据报道It is believed that 人们相信It is said that 据说It is estimated that 据估计It is clear that 显然It is likely that 很可能It is obvious that 显而易见It is no wonder that 难怪5.常见句型：It is an honor that 很荣幸It is a pity that 遗憾的是It is common knowledge/sense that=It is universally

14、 acknowledge that=It is well-known that 众所周知It seems/appears that 似乎/看来It happens that 碰巧It occurs to/strikes/hits sb that 某人突然想起It is certain that 是一定的Lets practice改写下列句子，使之结构平衡？找主语主主主语太长，使用it做形式主语It is certain that she will do well in her exam.找主语主主主语太长，使用it做形式主语 It is a pity that he made such a m

15、istake.找主语主主 It was reported that A Dream of Splendor became a hit in China.1.That she will do well in her exam is certain.2.That he made such a mistake is a pity.3.That A Dream of Splendor became a hit in China was reported.注意事项：whether/if含有“是否”的意思，可以加上“or not”，其语义不变。但如果主语从句位于句首则必须用连接词whether，不用if。

16、If the meeting will be put off hasnt been decided yet.（X）Whether the meeting will be put off hasnt been decided yet.()It is still a mystery whether/if the castle was in ruins.1.主语从句的谓语一般用单数形式；When the meeting will be held havent been known yet.（X）When the meeting will be held hasnt been known yet.()

17、When he will come is a puzzle.()2.What引导的主语从句，可根据表语决定主句动词的单复数形式；What he needs is that book.What he needs are some books.3.What引导的主语从句一般不可以改为含形式主语的句子，that则可以；What you said yesterday is right.It is right what you said yesterday.（X）That she is still alive is certain.It is certain that she is still aliv

18、e.()A.B.C.D.真题派送_ I want is not just an ordinary cafe but a very special one.01WhoseThatWhatWhichMoreA.B.C.D.真题派送_ we discovered is that its unwise to judge what you eat only by its appearance.02ThatWhenWhatWhichMore翻译练习WhatmakesSichuancuisinepopularisitsuniqueflavor.1让四川菜受欢迎的特质是 它自身的独特风味。Whichdegre

19、eofspicinessyouchoosedependsonyourown.2你选择哪一种程度的辣取决于你自己。翻译练习Whoyoueathotpotwithinfluencesyourchoiceoforderingnonspicy,littlespicyorveryspicyfood.3 你跟谁一起吃火锅影响着你点不辣，微辣或是特辣的食物的选择。翻译练习Whateverfoodyouchooseshouldconsiderothersfoodallergy.1Whicheverfoodyouorderhasitsowncookingtime.2 无论你选择什么事物都应该考虑他人食物过敏的情

20、况。无论你点哪一种食物都有它对应的烹煮时间。翻译练习Whoeverlovehotpotcanhavebettersocializationwithfriends.3 无论是谁喜欢火锅都可以与朋友有更好的社交。A.B.C.D.牛刀小试Every year,_ makes the most beautiful kite will win a prize in the Kite Festival.01whateverwhoeverwhomeverwhicheverMoreA.B.C.D.牛刀小试Your support is important to our work._ you can do he

21、lps.02HoweverWhoeverWhateverWhereverMoreA.B.C.D.牛刀小试_ one of you break the window will have to pay for it.03HoweverWhoeverWhicheverWhereverMore真题派送Butinthisexperiment_theyredoingispayingmoreattentiontothebignumberthanthelittleone.More01what牛刀小试_weunderstandthingshasalottodowithwhatwefeel.More02HowA.

22、B.C.D.牛刀小试 _ makes the book so extraordinary is the creative imagination of the writer.03WhoseThatWhatWhichMoreA.B.C.D.牛刀小试_ prices of the internet-famous food will go up is certain.04WhoseThatWhatWhichMoreA.B.C.D.牛刀小试_ he will go there or not has been decided.01Whether When WhichWhereMoreA.B.C.D.牛刀

23、小试_ it will rain or not has not been heard.02WhetherWhen WhichWhereMoreA.B.C.D.牛刀小试_ you dont like the restaurant has nothing to do with me.03ThatWhicheverWhetherWhoMoreA.B.C.D.牛刀小试_ female college graduates get a job appears to be rather difficult nowadays in China.04WhyWhatWhetherThatMoreA.B.C.D.牛

24、刀小试Exactly_ the potato was introduced into Europe is uncertain,but it was probably around 1565.05whetherwhywhenhowMoreA.B.C.D.真题派送Therefore,it is advisable _you should value and treat them with care.01whathowthatwhichMoreA.B.C.D.真题派送It was no more important _ he won the first place or not.02aswhicht

25、hatwhetherMore真题派送Itsnosecret_Chinahasalwaysbeenasource（来源）ofinspirationfordesigners.More01that真题派送Itwasagreatcomfort_theoriginalholeinthewindowwasnowheretobefound.More02that真题派送Itturnsout_justlookingatgreen,growingthingscanreducestress,lowerbloodpressureandputpeopleintoabettermood（情绪）.More01that真题派

26、送Itseemed_therunwaywasextremelylongforyoungchildren,nottomentionachildwithabraindisease.More02that真题派送Itseems_TVprogrammeshavehelpedchangewhatpeoplethinkaboutcooking.More03thatA.B.C.D.真题派送It has been proved _ people have a bias(偏向)towards the present,focusing on loud attractions in the moment at the

27、 expense of the health,well-being and financial stability of their future selves or community.01thathowwhetherwhereMoreA.B.C.D.模拟练习It is recently reported_ the number of those sticking to a traditional diet is slowly declining and around half of Britains consumers would like to change or improve the

28、ir cooking in some way.02aswhatthatwhichMoreA.B.C.D.单项选择_I want to tell you is the deep love and respect I have for my parents.01WhatHowThatWhyMoreA.B.C.D.单项选择Some people believe _ has happened before now will repeat itself in the future.02whatwhateverwhyhowMore填空题_the delayed flight will take off d

29、epends much on the weather.More03When/Whether填空题I think _ impresses me about his painting is the colors he uses.More04what单句改错Asstudents，whichwecanrepayourmothersistosparenoefforttostudyhard.Itsagreatpitywhatwewontbeabletofinishthetaskontime.ThatisknowntousthatrespectforonesparentsisoneofChinesetrad

30、itionalmoralvalues.010203whatthatItMore真题派送_you need is a great teacher who lets you make mistakes.More01What真题派送Johnson wrote,“_is new is that millions of dollars are now potentially available to quantum computing researchers.”More02what真题派送Itiscalculated_Europeanrailwaysalonespendapproximately20bi

31、llioneurosayearonmaintenance,includingsendingmaintenancestaff,oftenatnight,toinspectandrepairtherailinfrastructure.More03that备用句式翻译下列的句子,找出主语从句和引导词。1.我知道您对中国传统菜系非常感兴趣，所以我竭诚邀请您参加计划在我市举行的中国传统美食节。2.我最推荐的是川菜，八大菜系中的一个重要分支。3.众所周知，川菜有其独特的风味。4.我想知道，您是否方便来做客。1.Havingknownthatyouhavegreatinterestintraditional

32、Chinesecuisines,ImsinceretoinviteyoutoparticipateinthetraditionalChineseFoodFestival,whichisscheduledtobeheldinourcity.2.WhatIrecommendmostisSichuancuisine,animportantbranchintheeightregionalcuisines.3.ItiswellknownthatSichuancuisineischaracterizedbyitsuniqueflavor.4.Iamwonderingwhetheritisconvenien

33、tforyoutobeourguest.备用句式thatWhat0 03 3宾语从句宾语从句一、定义宾语从句是在主从复合句中作宾语的名词性从句，通常位于及物动词或介词后。We all expect that they will win.We are talking about whether we should keep the money.I remember that he gave me a book yesterday.He says that he will leave for New York tomorrow.牛刀小试以下哪句话含有宾语从句？A.Moneyisnotwhatliv

34、eslongerthananycreatureontheearth.B.Untilwecanmanagewhatischangeablebutstabletoo,wecanmanagenothingelse.C.Whatyouarelivingwithandcannotlivewithoutequalslife.牛刀小试以下哪句话含有宾语从句？A.Andletshavepaidfamilyleave,earnedsickdays.B.Letsmakesurewehaveaffordablechildcareanddebt-freecollege.C.Howarewegoingtodoit?D.

35、Weregoingtodoitbymakingthewealthypaytheirfairshare,andclosethecorporateloopholes.二、连接词1.that，whether，ifthat引导宾语从句经常可以省略，但当一个句子有多个并列的宾语从句时候，第一个从句that可以省略，第二个起不能省略。He said that they must travel to get the True Scriptures.White-dragon-horse said(that)being left is a terrible feeling and that he wanted

36、to be taken seriously.二、连接词1.that，whether，ifwhether,if在宾语从句中不充当任何语法成分，起连接作用，且有“是否”的含义，一般不能省略。I dont know if I can defeat the monster.I just wonder whether Change will love me not.这四种妖怪该我出马啦宾语从句只用whether的情况Imthinkingof whetherthegirlisamonster.Imnotsurewhethersheisamonsteror not.Whethersheisamonstero

37、rnot,Icanttell.Theyaskedmewhether to kill themonster.牛刀小试1.Iaskedher_shehadabike.2.Hermooddependson_sheisteased.3.Theyhaventdecided_totellthetruth.4.Theyoftenaskme_Ihearthenewsornot.if/whetherwhetherwhetherwhether2.连接代词who,whom,what,which,whoever,whatever,whichever。Could you tell me which gate we ha

38、ve to go to?He didnt tell me how long he would stay here.He was not conscious of what an important discovery he had made.Choose whoever is the fittest.3.连接副词when,where,how,why。He asked where the seven fairies were going.语法填空Plenty of students urge to know _ we deal with the problem.01how More语法填空Hed

39、ecidedtobuild_hewouldlatercallaneco-machine.02whatMore语法填空Sheismoreconfusedabout_heractisconsideredabigdeal.03why More三、形式宾语1.某些表示“喜、怒、哀、乐”的动词，如like,enjoy,love,hate等，往往不能直接接宾语从句，需要用it做形式宾语指代Ihateitwhenpeopleskindnessisregardedasnaiveandstupid.三、形式宾语2.当think,make,find,consider,feel,suppose等接宾语从句时，常用i

40、t做形式宾语I find it really sad that people prefer to be indifferent rather than to be kind nowadays.三、形式宾语3.一般情况下，介词后不能直接加that引导的宾语从句，常用it做形式宾语补全句子I insist on it that kindness should always be regarded as a good virtue generation by generation.翻译填空1.我发现我们要在两天后完成任务很困难。I find it difficult _ in two days.th

41、at we should fulfill the task翻译填空2.我们在考虑一件事，就是我们将借你一些钱。We are thinking of _.it that we will lend you somemoney翻译填空3.记住你得在10点回家。Keep it in mind _.that you have to be homeat 10 oclock翻译填空4.我不喜欢人们嘴里有饭还在说话。I hate it _.when people talk with their mouth full 合并句子TheseflowersarefromGuangdong.Hesaid.Hesaidt

42、hattheseflowerswerefromGuangdong.合并句子WasthewatchmadeinShanghai?Idontknow.Idontknowwhether/ifthewatchwasmadeinShanghai.合并句子Lighttravelsfasterthansound.Myteachertoldme.Myteachertoldmethatlighttravelsfasterthansound.合并句子Haveyoufinishedyourhomeworkyet?Mr.ZhaoaskedMaGang.Mr.ZhaoaskedMaGangwhether/ifhehad

43、finishedhishomeworkyet.合并句子Whatfooddoyourdaughterlike?ThereporteraskedObama.ThereporteraskedObamawhatfoodhisdaughterliked.四、doubt在宾语从句中用法（1）在肯定句中，一般接whether或if引导的宾语从句。I still doubt whether/if the practical value of this project really exists.（2）在否定句和疑问句中，常接that引导宾语从句。Do you doubt that he will win?五、

44、宾语从句的时态1.如果主句是一般现在时，宾语从句根据实际情况用各种时态。My teacher says he will be back in a week.（一般将来时）My teacher says he is watching TV.（现在进行时）My teacher says he has seen the movie.（现在完成时）2.如果主句是一般过去时，宾语从句用相应的过去时态。My father said he was watching TV at that time.（过去进行时）3.如果宾语从句是表示客观真理和规律的句子时，用一般现在时。Our teacher told us

45、 the sun is much bigger than the earth.六、宾语从句中的否定转移。主句如果是I think/believe/imagine/suppose/guess/expect等，从句的否定一般要转移到主句中，其反意疑问句与从句一致。I dont think theyll wait to the last minute，will they？I dont believe he did this,did he?真题派送语法填空1.Johnstartedtowonder_thisprocesscouldbeusedtocleanupthemessespeoplewerema

46、king.2.Herealized_hehadfailedtospotthecaldera:almostthewholepark2.2millionacreswascaldera.3.Peoplecansee_thingslookwhentheytrythemon.ifwhyhow圈出正确答案1.Youllhavetodecide(which/whose)carwelluse,yoursormine.2.Youllhavetodecide(which/whose)carwelluse,theoldoneorthenewone.圈出正确答案3.Youllhavetodecide(what/whi

47、ch)wellusethenewcarfor.4.Youllhavetodecide(whether/what)wellusethenewcar.圈出正确答案5.Ibelieve(what/which)hesaidistrue.6.Makesure(that/which)thedoorislockedbeforeyouleavethelab.圈出正确答案7.Iwonder(whether/if)itistrueornot.8.Shedoesntknow(whether/that)sheshouldstayathome.句子改错12MorewherewhyMyuncleistheownerofa

48、restaurantclosetothatIlive.Besides,Ihavefewfriends,Idontknowthattheydontliketotalkwithme.句子改错Itsuncertainthattheexperimentisworthdoing.Ihaventfinishedthebook,andIvereaduptowhythechildrendiscoverthesecretcave.34Morewhetherwhere句子改错Theyoungcouplewashavinganargumentaboutwhatturnitwastodothecooking.Then

49、theyhadtoknowthatstoriescouldbetoldwithoutwords,usingonlygesturesandexpressions.56Morewhosehow句子改错Successpartlydependsonifyouhavethepatiencetodosimplethingsperfectly.Hispromisewhathewouldgiveawayhalfoftheyearsincometothedisabledturnedoutalie.78whetherthat引导词填空1.Newresearchshows_morethanhalfofpeoplea

50、replanningtomakethemostofthelong,warmsummerdaystogetjobsdone.2.IntheDigitalAge,wereusedtohaving_weneedimmediatelyandrightatourfingertips.thatwhatMore引导词填空3.Shewondered_centuriesofdivingcouldhaveledtotheevolutionofphysicalcharacteristicsthatmadethetaskeasierforthem.4.Idoremember,though,_itwasliketobe