it的用法课件.ppt

1.Revisethebasicusagesof“it”.2.Concludetherulesof“it”.3.Improvetheabilitiesofcooperationandexpression.,Theuseof“it”,Learningaims:,Itisnevertoooldtolearn.Itisnousecryingoverspilt(溢出的)milk.Ittakesthreegenerations(辈,代)tomakeagentleman.,Proverbs(谚语)with“It”,活到老学到老；学无止境。,覆水难收。,十年树木,百年树人。,ReadthebookonP87-88andanswerthequestion:Whatfunctionsdoes“it”have?,Self-study,Functionsof“it”:1.代词:1)_2)_3)_2.引导词:1)_2)_3)_,代上文,代this/that,代时间/地点/天气/温度/距离/环境,形式主语,形式宾语,强调句型固定句型,1.Itgetsdarkveryearlyinthewinter.2.Whatwillyoucallitifitsaboy?3.Ilovespring-Itsawonderfultimeoftheyear.4.Itslessthan100kilometresfromheretoJinan.5.Whenthefactorycloses,itwillmean500peoplelosingtheirjobs.6.ThelittleanimalisamonkeyanditlivesinSichuan.7.Ithassnowedmuchthisyear.,指时间,指婴儿,指季节,指距离,指上文提到的事,指天气,指上文提到的动物,一：用作代词,Whatdoes“it”referto?,特别注意：it,one和that,those作替代词的区别(1)Thebookinyourbagisveryinteresting.CanIborrow?(2)Thebookinyourbagismoreinterestingthan_onthedesk.(3)Theweatherhereismuchcolderthan_inNanjing.(4)Thebooksarefree.Youcantake_freeofcharge.(5)Thebooksinthebagarebetterthan_onthedestk.,it,theone,that,that,one,those,theones,Torememberthisruleisimportant.2.Chattingontheinternetisawasteoftime.3.Whetheryoucomeornotdoesntinterestme.4.Weshouldmakeourcountrymuchstronger,whichisourduty.,Itisimportanttorememberthisrule.,Itsourdutytomakeourcountrymuchstronger.,Itisawasteoftimechattingontheinternet.,Itdoesntinterestmewhetheryoucomeornot.,二：用作形式主语,用it改写下列句子：,二：用作形式主语,基本结构：It+be/v.+(forsb/ofsb.)todosthdoingsth.that/whether,注意1:,FororOf?1.Itisimportant_ustolearnEnglishwell.2.Itisverykind_youtohelpmelearnEnglish.3.Itisfoolish_youtobelievehim.4.Itisnecessary_youtogooverthislesson.,of,of,for,for,It+be+doingsth,翻译：覆水难收。_和他争论没有用。_打电脑游戏是浪费时间。_,注意2:,nousenogoodawasteoftime,It何时代替doing?,Itisnogoodarguingwithhim。,Itisnousecryingoverspiltmilk。,Itisawasteoftimeplayingcomputergames。,注意3:,(1).Itisapity(ashame/anhonor/agoodthing/afact/asurprise/.)that.,(2).Itisimportant(necessary，strange，natural.)that.,(3).Itisinsisted(ordered/commanded,suggested/advised/proposed,demanded/requested/required.)that.,that后的从句要用虚拟语气（should+动词原形），should可以省,=Itissaid/reportedthathehasgoneabroad.,Itissaidthatheistherichestmanintheworld.2.Itisreportedthatheiswritinganinterestingnovel.3.Itisbelievedthatallthestudentshavedonetheirbest.,=He_therichestmanintheworld.,issaidtobe,=He_aninterestingnovel.,isreportedtobewriting,=Allthestudents_theirbest.,arebelievedtohavedone,注意4:,Heissaid/reportedtohavegoneabroad.,It+vi.(不及物动词)+thatclause,IthappensthathewasoutItseemsthathedoesntknowthesecret.Itappearsthatheishonest.ItoccurredtomethatIlostmypurseonthebus.Itdoesntmatterwhetherhewillcomeornot.,注意5:,Translate：,碰巧,好像,好像,我突然想到,没有关系,1)_isknowntoallthatheisdiligent.2)_isknowntousall,heisdiligent.3)_isknowntousallisthatheisdiligent.4)_isimportantthatweshouldlearneverysubjectwell.5）_isimportantisthatweshouldlearnEnglishwell.,It,It,What,As,What,注意6:,It代替的从句与其他从句的区别,动词+it+形容词/名词+（for/ofsb+）todo+doingsth.+that从句,thinkbelievefindfeelconsidersupposemakekeep,necessarypossiblenatural,nouse/nogood/awasteoftime/,三：用作形式宾语,1.基本结构：,Ifoundit_tostudyEnglish.Ithinkitimportantthatyou_theconference.Ithinkitimportantforyou_theconference.,nousearguing,veryinteresting,三：用作形式宾语,(should)attend,toattend,我认为和他争吵没有用。我发现学英语非常有趣。我认为你去参加这会议很重要。,Ithinkit_withhim.,Translate：,2.it作形式宾语的特殊句型,动词有喜欢类：enjoy,like,appreciate,prefer讨厌类：hate,dislikeIwouldappreciateitifyoupaidincash.Ilikeitintheautumnwhentheweatherisclearandbright.Ihateitwhenpeopletalkwiththeirmouthsfull.,V.+it+if/that/when,1.Ihate_thatyoucandancesowellbutIcant.2.Ilike/enjoy_whenallthefamilysitattable.3.Iwouldappreciate_ifIcouldbeaccepted.,it,it,it,1.基本结构Itis/was+被强调部分+that/who(人).,四、强调句型,注意：在从句中用陈述语序,Iaskedhim_hecouldnthelpme.,whyitwasthat,Itwasbecausehewasillthathecouldnthelpme.,Wasitbecausehewasillthathecouldnthelpme?,Whywasitthathecouldnthelpme?,例如：他是因为病了才没能帮我,2.notuntil句式的强调句型Hedidntgethomeuntilitwasdark.,比较：Notuntil_,itwasdark,hegothome,Itis/wasnotuntil+that.“直到才”,注意:,itwasdarkdidhegethome.,Itwasnotuntil_that_.,makeitForgetitDontmentionitIt(all)depends!ItshardtosayItsuptoyou.Icantbehelped!Getit,获得成功；准时到达；渡过难关,没关系，不必在意，算了吧,视情况而定,很难说,你说了算，由你决定,无法避免,没办法,明白了,懂了,五：常见的固定用法,(别人道谢时)不客气,seetoitthatoweittosbthatrely/dependonitthattakeitforgrantedthatmakeitarulethatmakeitclearthat,一定注意,保证，确保把归功于，因为，幸亏请放心，相信认为.是理所当然定为常规，习惯于，总是明确表示，说清楚,1.Ihave_thatIwilldosomeEnglishreadingeveryday.2.Dont_thateveryoneshouldhelpyou.3.I_TomthatIfoundthejobIwanted.4Iwill_thateverythingisreadyintime.5.Youmay_thattheworkwillbefinishedaheadoftime.Ipromise.,Fillintheblankswiththefollowing:seetoitthat,takeitforgrantedthat,depend/relyonitthat,oweittosbthat,makeitarulethat，makeitclearthat,madeitarule,takeitforgranted,oweditto,seetoit,depend/relyonit,1.Itistime(abouttime/hightime)thatsb._,did/shoulddo,2.Itisthefirst(second.)timethat_,was,3.It_+时间段.sincedid,is/hasbeen,4.It_+时间段.before.,was/willbe,固定句型,Ithasbeen5yearssincehisfatherdied.,Itis10yearssincehehadbreakfast.,Itwas3daysbeforehewenttoBeijing.Itwillbenotlongbeforehefinisheshisjob.,have/hasdone,haddone,Practicemakesperfect,Practicetime,“it”的用法-你懂的?,Umbrellaiswhatweeasilyforgetandleavebehindinourdailylife.Whentheweatherisfine,wecertainlydontthinkofit;onlywhenitisraining,wellcarryitpurposefully.butassoonastherainstops,itsmostlikelywellforgetwhereweveputit.OnceIsuddenlyfoundmylongtimeusedumbrella“disappeared”.Ireallyregrettedlosingitformycarelessness.Dayslater,outofmyexpectation,Isawitquietlystandinacornerofmyoffice.Iwasextremelygladtoregainit.ItoccurredtomethatIjustsoughtforitonlywhenIneededit.Itsetsmethinking.Idappreciateitthataroundusthereisapersongivingussupportinsilencejustlikeanoldumbrella.Whoisitthatprotectsyoufromtherainoranywretchedweather?Pleasesaythankstohimorher.,Makedetailednotesbythemselves.Refertoyourgrammarbookswhennecessary.Finishtheexercisesonthetestpaper.,Homework,填空,_isawonder_herefusedsuchagoodoffer._isnogood_(talk)withoutdoinganything._isawasteoftimetalkingtohim._isnoneedforustodiscusstheproblemagain_isnodifferencebetweenthem.Itisforthisreason_herunclemovedoutofNewYork.Tomsmotherkepttellinghimthatheshouldworkharder,but_didnthelp.Hefelt_hisdutytoworkforhumanrightsandprogress.,9.Itsfoolish_youtorefusethechance.10.Whatapitymynewcomputerdoesntwork!_mustbesomethingwrongwithit.11._isnothowmuchyoureadbutwhatyoureadthatcounts.12.Itisnotclear_hedidntreporttheaccidentearlier.,1.Itwasnecessarythathe_aboutwhathadhappened.A.shouldbetoldB.wastoldC.shouldtellD.tell2.Itisstrangethatshe_marrysuchanuglyman.A.wouldB.shouldC.shallD.must3.Itsapitythathe_suchagoodchance.A.shouldmissB.shouldhavemissedC.hasmissed4.Itissuggestedthatwe_hereatonce.A.shouldleaveB.mustleaveC.leftD.oughttoleave5.Itisorderedthateveryone_theirownworkintime.A.mustcompleteB.completedC.completesD.complete,Choosethebestanswer:,分析it成分，辨清相似句型。1._isknowntousthattheearthisround._isknowntousisthattheearthisround._isknowntousall,theearthisround.2._doesntmattermuchwhetherhellcome.Ifeel_anhonourtobeinvitedtospeakhere.3._nowonderthathehaspassedtheexam._nodoubtthathewillcome._noneedtodo/nosense(point)indoingsth.4.Wasitthehouse_AbrahamLincolnwasborn?Wasitinthehouse_AbrahamLincolnwasborn?5.Itsverykind_youtohelpus.Itsveryimportant_youtokeepthebalanceofnature.,It,it,Itis,where,of,What,As,It,Thereis,Thereis,that,for,6.Itisnogood_(do)suchathing.Itsofnoimportance_suchathing.7.Itstimethatwe_toschool.(go)Itisthesecondtimethatwe_toBeijing.8.Itstomorrow_heisgoingtoBeijing.Itwas8oclock_hewenttoschool.A.thatB.whenC.beforeD.since9.Itis3years_hejoinedthearmy.Itwillbe3years_wemeetagain.,doing,went,when,since,todo,havebeen,that,before,Heseemsthatheknowsnothingaboutit.2.Thecolorofmycoatisdifferentfromitofyours.3.Howlongwillyoutaketofinishthework?4.Hewroteapoem,itisdifficultformetounderstand.5.Itisreportedinthenewspapers,talksbetweenthetwocountriesaremakingprogress.,改错,It,that,it,which,As,6.Itiswellknownisthattheearthisround.7.ItisthefirsttimethathehasbeentoAustralia,isnthe?8.Ihatewhenpeopletalkwiththeirmouthsfull.9.WasitduringtheSecondWorldWarwhenhedied?10.ItwasthisvillagethatIwasbroughtup.,What,it,it,that,in,Onemidnight,_wasrainingheavily.Marywaslyinginbed.Shecouldntfallasleep.Suddenlysheheardsomeoneknockingatthedoor.”Whois_”Sheasked.Shelookedattheclockhungonthewall._wasstrikingtwo._isme,onemananswered.“_wasimpossibleforhimtoappearhere.”Shethought.“John,Is_you?”“Yeah,_isme”themananswered.Sherushedtoopenthedoor.Johnwasstandinginfrontofher.HesaidtoMaryexcitedly,Imissedtheplane._wassaidthattheplane_Iwouldtakecrasheddownthreehoursago.Itwasinthatplane_IshouldhavegonetoNewYork.Afterthis,Ithink