it用法公開(kāi)課p課件

Grammar

Theuseof“it”Itisnevertoooldtolearn.

It

GrammarTheuseof“1Howmuchdoyouknowabout“it”?Howmuchdoyouknowabout“it2TheUseof“it”代詞it引導(dǎo)詞itIt句型歸納SentencesWith“it”TheUseof“it”代詞引導(dǎo)詞It句型歸納3

1.做人稱(chēng)代詞，代替前文提到過(guò)的事物。代詞itYoubodybecomesaccustomedtohavingnicotinein

it.

2.

用以代替指示代詞this,that。---Whosetext-bookisthat?---It’shers.---What’sthis?---It’s

aflag.Asyouknow,ifyoudothesamethingoverandoveragain,youbegintodo

itautomatically.

3.

用以代替未知的人或嬰兒。

Someoneisknockingatthedoor.Goandseewhoitis.

yourbody

thething1.做人稱(chēng)代詞，代替前文提到過(guò)的事物。代詞itYou44.做非人稱(chēng)代詞，指代時(shí)間、天氣、距離、環(huán)境、季節(jié)、日期、價(jià)值等。It’stimeforclass.

Itissummernowanditgetshotterandhotter.It’sabouttwokilometersfromheretomyhome.Itisveryquietinourclassroomeverynight.代詞it---What'sthedatetoday?---It'sMay15,2013.---What'sthecostoftheT-shirt?---Itis150yuan.時(shí)間天氣距離環(huán)境季節(jié)日期價(jià)值4.做非人稱(chēng)代詞，指代時(shí)間、天氣、距離、環(huán)境、季5

Itwasasunnyday.Peterdecidedtogoforawalktotheparkeventhoughitwas2milesaway.

Hewasjustabouttoleavethehousewhensomeoneknockedatthedoor.“Whoisit?”,hethought.Whenheopenedthedoor,hefoundnobodybutanoteontheground.Hepickeditupandread.Itissurprisingthatthenoteshouldhavebeengiventohisneighbour.theuseofitDiscover天氣距離未知的人形式主語(yǔ)noteItwasasunnyday.Peter62、Itisnogoodsmoking.3、ItisamamazingthatatmyageIamstillfit.真正主語(yǔ)真正主語(yǔ)形式主語(yǔ)形式主語(yǔ)真正主語(yǔ)形式主語(yǔ)=Towalkonthestreetwassocomfortable.=Smokingisnogood.=ThatatmyageIamstillfitisamazing.1、It

wassocomfortabletowalkonthestreet.引導(dǎo)詞it

Summary：it作形式主語(yǔ)，代替由不定式（或不定式復(fù)合結(jié)構(gòu)）、動(dòng)名詞或從句表示的真正主語(yǔ)。Discovertheuseofit2、Itisnogoodsmoking.3、Iti7此處adj.通常為描述人的形容詞：kind;rude;silly，careful;careless;foolish;stupid;clever;wise...

It'skindofyou

tohelpmewiththeproblem.（1）Itis+adj.+（forsb.）todosth.此處adj.通常為描述事件的形容詞：easy;hard;difficult;necessary;likely;impossible;important;useful;dangerous…

ItisimportantforateenagertolearnEnglishwell..（2）Itis+adj.+（ofsb.）todosth.代替不定式=tolearnEnglishwellisimportanttoforateenager=Youarekindtohelpmewiththeproblem.Structures此處adj.通常為描述人的形容詞：kind;ru8e.g.Itisfuntogooutforawalk.（3）Itis+名詞+todosth.常用的名詞有：fun;pity,shame,pleasure...不可數(shù)名詞ItisashametobelateforclassItisapleasuretohavethechancetohelpyou.(5)It'snogood/usedoing…e.g.

It'snousecryingoverspiltmilk.(4)IttakesSb.sometimetodo...e.g.

Ittookme3daystopreparethislesson.代替doinge.g.Itisfuntogooutfor9

常見(jiàn)的adj.有:possible;clear;obvious;true,etc

Itisveryclearthathegrowslikeatree.

(1)Itis+adj.+that從句(3)Itis+v-ed+that從句

Itissaid(reported/believed/thought/known/told/suggested.....)that...譯為“據(jù)說(shuō)（據(jù)報(bào)道，據(jù)悉…）”。

ItissaidthathehasgonetoBeijing.

ItisreportedthatChairmanXiwillvisitHangzhou.(4)Ithappens/seems/appears+that從句Itseemsthatthereisnowayoutofourdifficulty.代替主語(yǔ)從句(2)Itis+n.+that從句

常見(jiàn)的n.有:ashame;apity,afact,etcItisapitythatyoumissedthefootballmatch.

常見(jiàn)的adj.有:possible;clea10作形式賓語(yǔ)，代替由不定式、動(dòng)名詞或從句表示的真正賓語(yǔ)。Hefeels

ithisdutytohelpothers.Wethought

itnousedoingthat.引導(dǎo)詞---itHemade

itclearthathewasnotinterestedinthissubject.他非常清楚地表示他對(duì)那門(mén)學(xué)科不感興趣。注意：常用的動(dòng)詞有think,believe,make,find,consider,feel等。

作形式賓語(yǔ)，代替由不定式、動(dòng)名詞或從句表示的真正賓11注意：在動(dòng)詞appreciate,dislike,hate，like,love等后面代替if或when等引導(dǎo)的從句。Iwouldappreciateitifyoucancome.it代替if引導(dǎo)的賓語(yǔ)從句。注意：在動(dòng)詞appreciate,dislike12Givingupsmokingisdifficult.

Itis2.Someyoungpeoplethinktheylookattractivewhentheysmoke.Itseems

3.Mostpeoplebelievesmokingcausescancer.Itisbelieved4.Don’ttrytoquitonastressfulday.

Itisnouse

thatsmokingcausescancerthatsomeyoungpeoplethinktheylookattractivewhentheysmoke.difficulttogiveupsmoking.Practicetryingtoquitonastressfulday.1、用it句型改寫(xiě)句子，意思不變。Givingupsmokingisdifficult135.Chinaproducesonethirdoftheworld’scigarettes.Itisastonishing6.Youarenotallowedtoadvertisecigarettesinthiscountry.Itisillegal

7.Myfatherhasquitsmokingatlast.Itiswonderful8.Thenightwasdarkandstormywhentheoldmanstartedhisjourney.

Itwasa

9.Youcouldsufferfrombadhealthifyoukeepsmoking.

Itislikely10.Youhavetotakepillstocontrolyourbloodpressure.

ItisnecessarythatChinaproducesonethirdoftheworld’scigarettes.toadvertisecigarettesinthiscountry.thatmyfatherhasquitsmokingatlast.darkandstormynightwhentheoldman...thatyoucouldsufferfrombadhealthif...foryoutotakepillstocontrolyour...5.Chinaproducesonethirdof142、用it句型把A句轉(zhuǎn)換為B句，意思不變。1.A.Tokeeporderinanimportantfootballmatchisahardjobforthepolice.B．________________forthepolicetokeeporderinanimportantfootballmatch.2．A.TorecitethepassagesinNewConceptEnglishisaneffectivewayinEnglishstudy.B.____________________inEnglishstudytorecitethepassagesinNewConceptEnglish.ItisahardjobItisaneffectiveway3.A.Imeantthatyoumightgowithoutme,butIdidn'tmakethatclear.B.Ididn't____________thatyoumightgowithoutme.4．A.Memorizing20Englishwordsadayiseasyforme.B.Ifind__________________20Englishwordsaday.makeitcleariteasytomemorizePractice2、用it句155．A.Whowilltakeustovisitthenatureparkhasn'tbeendecidedyet.B._____________________whowilltakeustovisitthenaturepark.6．A.Hegetsupearlyandrunsaroundtheplaygroundforhalfanhoureveryday.Hehasmadethatarule.B.Hehasmade______________________andrunaroundtheplaygroundforhalfanhoureveryday.Ithasn'tbeendecidedyetitaruletogetupearly7．A.Afireisreportedtohavetakenplaceintheexperimentalbuildingthismorning.B._________________afiretookplaceintheexperimentalbuildingthismorning.8．A.Ispenttwohourswritingtheessay.B._____________________towritetheessay.ItisreportedthatIttookmetwohours5．A.Whowilltakeustovisit16

Everyoneconsiderit

importanttohaveenoughsleep.Theamountofsleepneededvariesfrompersontopersonand

it

dependsontheageofthepersonandtheconditionsinwhichsleeptakesplace.Theyoungmayneedmoresleepthantheold,but

itissaidthateighthoursareenoughforthehealthofgrown-ups.Somecandowithlessthanthisamount,butothersmayneedmore.Everypersonknowshisownneed.Itisthenamatterofgoodjudgmenttosatisfyhisneed.Sleepisessentialforourhealth.Itisenoughsleepthatcanmakeonebringbackhisstrengthandgetreadyforaday'swork.issaidthattohaveenoughsleepisthat強(qiáng)調(diào)結(jié)構(gòu)tosatisfyhisneedPractice3、辨別it的用法。is17"HappyNewYear!"—thegreetingwillbesaidandheardasanewyeararrives.

It

isatthistimeoftheyearthatfamiliesandfriendsgettogethertosaygoodbyetotheoldandwelcomethenew.Itwastheoldestofallholidays.Traditionally,it

wasthoughtthatonecouldaffectthelucktheywouldhavethroughoutthecomingyearbywhattheydidorateonthefirstdayoftheyear.Forthatreason,it

hasbecomecommonforpeopletocelebratethefirstfewminutesofanewyearinthecompanyoffamilyandfriends.Itisapopularbeliefthatanythingintheshapeofaringisgoodluck,becauseit

symbolizes"comingfullcircle,"completingayear'scycle.ItisatthetimeoftheyearthatitwasthoughtthatPracticenewyear強(qiáng)調(diào)結(jié)構(gòu)"HappyNewYear!"—thegreeti18it用法公開(kāi)課pppt課件19①I(mǎi)tisnevertoooldtolearn.

活到老，學(xué)到老。②Itiseasiertofallthantorise.摔倒容易爬起來(lái)難。③Itisnousecryingoverspilt（溢出的）milk.覆水難收。Proverbswith“It”④

Itneverrainsbutitpours(潑水).

不鳴則已，一鳴驚人。⑤Ittakesthreegenerations（代）tomakeagentleman.

十年樹(shù)木，百年樹(shù)人。①I(mǎi)tisnevertoooldtolearn20I.單項(xiàng)選擇1.Hedidn’tmake____clearwhenandwherethemeetingwouldbeheld.(天津2007)A.this B.that C.it D.these2.____isourbeliefthatimprovementsinhealthcarewillleadtoastronger,moreprosperouseconomy.(浙江2006)A.As B.That C.This D.It高考實(shí)例I.單項(xiàng)選擇高考實(shí)例213.ThedoctoradvisedVerastronglythatsheshouldtakeaholiday,but______didn’thelp.(2005全國(guó)卷III)A.it B.she C.which D.he4.I’dappreciate______ifyouwouldliketoteachmehowtousethecomputer.(山東2006)A.that B.itC.this D.you3.ThedoctoradvisedVerastr22II.單句改錯(cuò)下面的句子選自高考試題的改錯(cuò)部分，用你的火眼金睛把錯(cuò)誤找出來(lái)吧！1.Youwon’tfinddifficulttogettothecitycenter.(2004全國(guó)卷IV)2.Iknowthereisnoteasytobeateacher.(湖北2004)3.ThisisnotsurprisingthattheSilverGhostwasregardedas“thebestcarintheworld”. find后加itthere→itThis→ItII.單句改錯(cuò)find后加itthere→itThis23Seeyounexttime!Seeyounexttime!241.it指剛提到的事物，以避免重復(fù):Xi’anis

a

beautiful

city,isn’t

it?2.也可以指動(dòng)物、未知的人或嬰兒:Isthisyourdog？No,itisn’t.一、it作人稱(chēng)代詞二、it作非人稱(chēng)代詞

it指天氣、時(shí)間、日期、距離、價(jià)值、度量、溫度、環(huán)境等，稱(chēng)為非人稱(chēng)的it：1.指天氣：

It

isalovelyday,isn’t

it?

Itisabitwindy.

1.it指剛提到的事物，以避免重復(fù):一、it作人稱(chēng)代25七.It的一些習(xí)慣用法Howisitwit