it的用法学习教程.pptx

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1、1.Revise the basic usages of“it”.2.Conclude the rules of“it”.3.Improve the abilities of cooperation and expression.Theuseof“it”Learningaims:第1页/共39页Itisnevertoooldtolearn.Itisnousecryingoverspilt(溢出的)milk.Ittakesthreegenerations(辈,代)tomakeagentleman.Proverbs(谚语谚语)with“It”活到老学到老；学无止境。覆水难收。十年树木,百年树人。第

2、2页/共39页Read the book on P87-88 and answer the question:What functions does“it”have?Self-studyFunctionsof“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第3页/共39页1.Itgetsdarkveryearlyinthewinter.2.Whatwillyoucallitifitsaboy?3.Ilovespring-Itsawonderfultimeoftheyear.4.It

3、slessthan100kilometresfromheretoJinan.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?第4页/共39页特别注意：特别注意：it,one和和that,those作替代词的区别作替代词的区别(1)Thebookinyourbagisveryi

4、nteresting.CanIborrow?(2)Thebookinyourbagismoreinterestingthan_onthedesk.(3)Theweatherhereismuchcolderthan_inNanjing.(4)Thebooksarefree.Youcantake_freeofcharge.(5)Thebooksinthebagarebetterthan_onthedestk.ittheonethatthatonethosetheones第5页/共39页1.To remember this rule is important.2.Chatting on the in

5、ternet is a waste of time.3.Whether you come or not doesnt interest me.4.We should make our country much stronger,which is our duty.It is important to remember this rule.Its our duty to make our country much stronger.It is a waste of time chatting on the internet.It doesnt interest me whether you co

6、me or not.二：用作形式主语二：用作形式主语用it改写下列句子：第6页/共39页二：二：用作形式主语用作形式主语基本结构：基本结构：It+be/v.+(for sb/of sb.)to do sth doing sth.that/whether第7页/共39页注意注意 1:FororOf?1.Itisimportant_ustolearnEnglishwell.2.Itisverykind_youtohelpmelearnEnglish.3.Itisfoolish_youtobelievehim.4.Itisnecessary_youtogooverthislesson.ofoffor

7、for第8页/共39页It+be+doing sth翻译：翻译：1.覆水难收。覆水难收。_2.和他争论没有用。和他争论没有用。_3.打电脑游戏是浪费时间。打电脑游戏是浪费时间。_注意注意 2:no useno gooda waste of timeIt 何时代替何时代替doing?Itisnogoodarguingwithhim。Itisnousecryingoverspiltmilk。Itisawasteoftimeplayingcomputergames。第9页/共39页注意注意 3:(1).It is a pity(a shame/an honor/a good thing/a fact

8、/a surprise/.)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可以省第10页/共39页=It is said/reported that he has gone abroad.1.It is said that he is the richest man in t

9、he world.2.It is reported that he is writing an interesting novel.3.It is believed that all the students have done their best.=He _ the richest man in the world.is said to be=He _ an interesting novel.isreportedtobewriting=All the students _ their best.arebelievedtohavedone注意注意 4:Heissaid/reportedto

10、havegoneabroad.第11页/共39页 It+vi.(不及物动词不及物动词)+that clauseIthappensthathewasoutItseemsthathedoesntknowthesecret.Itappearsthatheishonest.ItoccurredtomethatIlostmypurseonthebus.Itdoesntmatterwhetherhewillcomeornot.注意注意 5:Translate：碰巧碰巧好像好像好像好像我突然想到我突然想到没有关系没有关系第12页/共39页1)_isknowntoallthatheisdiligent.2)_

11、isknowntousall,heisdiligent.3)_isknowntousallisthatheisdiligent.4)_isimportantthatweshouldlearneverysubjectwell.5）_isimportantisthatweshouldlearnEnglishwell.ItItWhatAsWhat注意注意 6:It代替的从句与其他从句的区别代替的从句与其他从句的区别第13页/共39页动词动词+it+形容词形容词/名词名词+（for/ofsb+）todo+doingsth.+that从句从句thinkbelievefindfeelconsidersup

12、posemakekeepnecessarypossiblenatural,nouse/nogood/awasteoftime/三：用作形式宾语三：用作形式宾语1.基本结构：基本结构：第14页/共39页 I found it _to study English.Ithinkitimportantthatyou_theconference.Ithinkitimportantforyou_theconference.no use arguingvery interesting三：用作形式宾语三：用作形式宾语(should)attendtoattend1.我认为和他争吵没有用。2.我发现学英语非常有趣

13、。3.我认为你去参加这会议很重要。Ithinkit_withhim.Translate：第15页/共39页2.it作形式宾语的特殊句作形式宾语的特殊句型型动词有喜欢类：enjoy,like,appreciate,prefer讨厌类：hate,dislikeIwouldappreciateit if youpaidincash.Ilikeitintheautumnwhentheweatherisclearandbright.Ihateit when peopletalkwiththeirmouthsfull.V.+it+if/that/when第16页/共39页1.Ihate_thatyouca

14、ndancesowellbutIcant.2.Ilike/enjoy_whenallthefamilysitattable.3.Iwouldappreciate_ifIcouldbeaccepted.ititit第17页/共39页1.基本结构基本结构Itis/was+被强调部分被强调部分+that/who(人人).四、强调句型四、强调句型注意：在从句中用陈述语序I asked him _he couldnt help me.why it was thatItwasbecausehewasillthathecouldnthelpme.Wasitbecausehewasillthathecould

15、nthelpme?Whywasitthathecouldnthelpme?例如：他是因为病了才没能帮我第18页/共39页2.notuntil句式的强调句型Hedidntgethomeuntilitwasdark.比较：Notuntil_itwasdarkhegothomeItis/wasnotuntil+that.“直到直到才才”注意:itwasdarkdidhegethome.Itwasnotuntil_that_.第19页/共39页make itForget it Dont mention itIt(all)depends!Its hard to sayIts up to you.I ca

16、nt be helped!Get it获得成功；准时到达；渡过难关获得成功；准时到达；渡过难关没关系，不必在意，算了吧没关系，不必在意，算了吧视情况而定视情况而定很难说很难说你说了算，由你决定你说了算，由你决定无法避免无法避免,没办法没办法明白了明白了,懂了懂了五：五：常见的固定用法常见的固定用法(别人道谢时)不客气第20页/共39页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，

17、习惯于，总是明确表示，说清楚第21页/共39页1.Ihave_thatIwilldosomeEnglishreadingeveryday.2.Dont_thateveryoneshouldhelpyou.3.I_TomthatIfoundthejobIwanted.4Iwill_thateverythingisreadyintime.5.Youmay_thattheworkwillbefinishedaheadoftime.Ipromise.Fill in the blanks with the following:see to it that,take it for granted that

18、,depend/rely on it that,owe it to sb that,make it a rule that，make it clear thatmade it a ruletake it for grantedowed it tosee to itdepend/rely on it第22页/共39页1.Itistime(abouttime/hightime)thatsb._did/shoulddo2.Itisthefirst(second.)timethat_was3.It_+时间段时间段.sincedidis/hasbeen4.It_+时间段时间段.before.was/wi

19、llbe固定句型固定句型Ithasbeen5yearssincehisfatherdied.Itis10yearssincehehadbreakfast.Itwas3daysbeforehewenttoBeijing.Itwillbenotlongbeforehefinisheshisjob.have/hasdone haddone第23页/共39页Practice makes perfect第24页/共39页 “it”的用法-你懂的?Umbrellaiswhatweeasilyforgetandleavebehindinourdailylife.Whentheweatherisfine,we

20、certainlydontthinkofit;onlywhenitisraining,wellcarryitpurposefully.butassoonastherainstops,itsmostlikelywellforgetwhereweveputit.OnceIsuddenlyfoundmylongtimeusedumbrella“disappeared”.Ireallyregrettedlosingitformycarelessness.Dayslater,outofmyexpectation,Isawitquietlystandinacornerofmyoffice.Iwasextr

21、emelygladtoregainit.ItoccurredtomethatIjustsoughtforitonlywhenIneededit.Itsetsmethinking.Idappreciateitthataroundusthereisapersongivingussupportinsilencejustlikeanoldumbrella.Whoisitthatprotectsyoufromtherainoranywretchedweather?Pleasesaythankstohimorher.第25页/共39页1)Make detailed notes by themselves.

22、Refer to your grammar books when necessary.2)Finish the exercises on the test paper.第26页/共39页填空填空1._ is a wonder _ he refused such a good offer.2._ is no good _(talk)without doing anything.3._ is a waste of time talking to him.4._ is no need for us to discuss the problem again 5._ is no difference b

23、etween them.6.It is for this reason _her uncle moved out of New York.7.Toms mother kept telling him that he should work harder,but _didnt help.8.He felt _his duty to work for human rights and progress.第27页/共39页9.Itsfoolish_youtorefusethechance.10.Whatapitymynewcomputerdoesntwork!_mustbesomethingwron

24、gwithit.11._isnothowmuchyoureadbutwhatyoureadthatcounts.12.Itisnotclear_hedidntreporttheaccidentearlier.第28页/共39页1.Itwasnecessarythathe_aboutwhathadhappened.A.shouldbetoldB.wastoldC.shouldtellD.tell2.Itisstrangethatshe_marrysuchanuglyman.A.wouldB.shouldC.shallD.must3.Itsapitythathe_suchagoodchance.A

25、.shouldmissB.shouldhavemissedC.hasmissed4.Itissuggestedthatwe_hereatonce.A.shouldleaveB.mustleaveC.leftD.oughttoleave5.Itisorderedthateveryone_theirownworkintime.A.mustcompleteB.completedC.completesD.completeChoosethebestanswer:第29页/共39页分析it成分，辨清相似句型。1._ is known to us that the earth is round._ is k

26、nown to us is that the earth is round._ is known to us all,the earth is round.2._doesnt matter much whether hell come.I feel _ an honour to be invited to speak here.3._ no wonder that he has passed the exam._ no doubt that he will come._ no need to do/no sense(point)in doing sth.4.Was it the house _

27、 Abraham Lincoln was born?Was it in the house _ Abraham Lincoln was born?5.Its very kind _ you to help us.Its very important _ you to keep the balance of nature.ItitItiswhereofWhatAsItThereisThereisthatfor第30页/共39页6.It is no good _(do)such a thing.Its of no importance _ such a thing.7.Its time that

28、we _ to school.(go)It is the second time that we _ to Beijing.8.Its tomorrow _ he is going to Beijing.It was 8 oclock _ he went to school.A.that B.when C.before D.since9.It is 3 years _ he joined the army.It will be 3 years _ we meet again.doingwentwhensincetodohavebeenthatbefore第31页/共39页1.Heseemsth

29、atheknowsnothingaboutit.2.Thecolorofmycoatisdifferentfromitofyours.3.Howlongwillyoutaketofinishthework?4.Hewroteapoem,itisdifficultformetounderstand.5.Itisreportedinthenewspapers,talksbetweenthetwocountriesaremakingprogress.改错改错It Itthatthatit itwhichwhichAsAs第32页/共39页6.Itiswellknownisthattheearthis

30、round.7.ItisthefirsttimethathehasbeentoAustralia,isnthe?8.Ihatewhenpeopletalkwiththeirmouthsfull.9.WasitduringtheSecondWorldWarwhenhedied?10.ItwasthisvillagethatIwasbroughtup.WhatWhatit itit itthatthatin in第33页/共39页 One midnight,_ was raining heavily.Mary was lying in bed.She couldnt fall asleep.Sud

31、denly she heard someone knocking at the door.”Who is _”She asked.She looked at the clock hung on the wall._ was striking two._ is me,one man answered.“_ was impossible for him to appear here.”She thought.“John,Is _ you?”“Yeah,_ is me”the man answered.She rushed to open the door.John was standing in

32、front of her.He said to Mary excitedly,I missed the plane._ was said that the plane _ I would take crashed down three hours ago.It was in that plane _ I should have gone to New York.After this,I think _ clearly that I love you so much _ I want to marry you.第34页/共39页It+be+adj./n./V-ed+(for sb/of sb.)

33、to do sth doing sth.that/whethernecessarystrangelikelypossiblecertainkind/nicecruelfoolish.apity/ashameanhonorasurprisea/nowonderafactonesdutyonesturnsaidreportedbelievedknownsuggestedorderedrequired.第35页/共39页2.动词+it+特殊形容词+that从（should）important/unimportant/necessary/unnecessary/natural/essential形式宾

34、语形式宾语第36页/共39页findpossible1.S+think+it+necessary+(forsb.)todo/thatfeelimportantarule2.S+V+it+onesduty+(forsb.)todo/thatanhonournogood3.S+V+it+nouse+doingsthawasteoftime常跟it作形式宾语的动词有think,believe,make,find,consider,feel(should)do第37页/共39页1.It+be+adj./n./V-ed+(of/for sb)to do sth/that 2.It+be+V-ed(过去分

35、词过去分词)+that 3.It+vi.(不及物动词不及物动词)+that/necessary/strange/likely/possible/certain/kind/cruel.It+be+said/reported/believed/known/suggested/ordered.adj:n.a pity/a shame/an honor/a surprise/a wonder/no wonder/a fact/ones duty/ones turnIt happens/seems/appears/occurred to sb.that.It doesnt matter that/whether/who.常见谓语形式第38页/共39页谢谢您的观看！第39页/共39页