人教章節(jié)標(biāo)版高二選修6Unit4演示教學(xué)

人教課標(biāo)版高二選修6Unit4英語(yǔ)課件I.

代詞it

a.用作人稱代詞,代替前文提到的事物。

Mywatchismissing.Ican’tfind(it)anywhere.Herfatherhasgoneabroad.Haveyouheardabout(it)?b.代替指示代詞this,that。

What’sthis?(It’s)acomputer.Whosepenisthat?It’smine.c.表示時(shí)間、天氣、距離、季節(jié)、明暗等。

It’stimeforlunch.

It’sgettingwarmerandwarmer．It’sfortyyearssincemyhometownwasliberated.It’ssummernow.Howfarisitfromheretotheairport？It’sabouttwentyminutes’walkfromheretothebusstop.It(形式主語(yǔ))+adj.+whether(subject+v.)Itis＋adj.＋for／sb.todosth.(of)It＋seems(appears)＋that(subject＋v.)happens

①Itisveryimportanttohelpeachother．②Itisnouse/uselessgoingthereagain．③It’snotdecidedyetwhentheywillleaveforShanghai．④Itseemsthathehascaughtacold.=Heseemstohavecaughtacold．⑤Is____

possibletomasteraforeignlanguageintwomonths?A.now

B.that

C.it

D.man⑥Is____

necessarytotellhisfatherthetruth?A.it

B.that

C.what

D.heb.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)。其主要基本句型為:

主語(yǔ)＋謂語(yǔ)＋it(形式賓語(yǔ))＋賓語(yǔ)補(bǔ)足語(yǔ)＋todosth.(doingsth.或that從句).①M(fèi)arxfounditimportanttostudythesituationinRussia.②Shethoughtitnousetowritetohimagain.③Theywanttomakeitcleartothepublicthattheydoanimportantandnecessaryjob.④Doyouthink___

difficulttoworkoutthismathsproblem?A.that

B.very

C.yourself

D.it⑤Havingbeentheremanytimes,___tofindMr.Wang’shouse.A.itwaseasyforhimB.forhimitwaseasyC.hefounditeasyD.hefoundeasyc.用在強(qiáng)調(diào)句型中,為了強(qiáng)調(diào)句子的某一成分(通常是主語(yǔ)、賓語(yǔ)或狀語(yǔ)),常用結(jié)構(gòu):Itis/was＋被強(qiáng)調(diào)部分＋that(who)….ImetTominthestreetyesterday．①ItwasIwho(that)metTominthestreetyesterday.②ItwasTomthatImetinthestreetyesterday.③ItwasinthestreetthatImetTomyesterday.④ItwasyesterdaythatImetTominthestreet.主語(yǔ)賓語(yǔ)時(shí)間狀語(yǔ)地點(diǎn)狀語(yǔ)⑤____

shehadarrivedhomethatsherememberedherappointment(預(yù)約)withthedoctor.A.ItwasnotuntilB.Notuntilitwas

C.NotuntilD.Untilitwasnot1.It___forthisreason___herunclemovedoutofNewYork.A.is...whichB.was...whyC.was...thatD.were...how2.Itwas___hesaidatthemeeting__disappointedme.A.what..,thatB.that..,thatC.what..,whatD.that..,whatDrills3.---Wasn’titDr.Liwhospoketoyoujustnow?---______.A.Ididn’tknowhewasB.Yes,hedidC.No,hedidn’tD.Yes,hewas4.WasitduringtheSecondWorldWar____hedied?A.thisB.thenC.thatD.while5.Idon’tthink_____possibletomasteraforeignlanguagewithoutmuchmemorywork.A.thisB.itC.thatD.its6.Does____matterifhecan’tfinishthejobontime?A.itB.thisC.thatD.he7.Tom’smotherkepttellinghimthatheshouldworkharder,but__didn’thelp.A.heB.whichC.sheD.it8.Was___in1998___yourteachergraduatedfromuniversity?A.that..,thatB.it...whichC.it...thatD.it...when9.Hefelt___dutytoworkforhumanrightsandprogress.A.ithisB.hisC.thatisaD.thatishis10.___isnogood___withoutdoinganything.A.This...talkingB.It...tospeakC.That...tosayD.It...talking11.Allthechildrenexceptmypartner___latebecauseoftrafficjam.A.isB.areC.wasD.hasbeen12.Yournewclothesfityou,butmine___me.A.don’tfitB.doesn’tfitC.don’tfitforD.aren’tfit(II)It的用法及強(qiáng)調(diào)句型

性質(zhì)功能例句代詞用作人稱代詞，代替上文提到的人或事物?！猈hoisit?—It’sme.You’vehelpedmealot;I’llneverforgetit.性質(zhì)功能例句代詞用以代替指示代詞this或that。—What’sthis?—It’sacomputer．—Whosebookisthat?—It'shers．性質(zhì)功能例句代詞表示時(shí)間、天氣、距離、價(jià)錢等。It’stimeforlunch．It’sraininghard．It’stwomilesfromtheschooltoourhome．引導(dǎo)詞作形式主語(yǔ),代替由不定式、動(dòng)名詞或從句等表示的真正主語(yǔ)。Itiseasytobuyanewradio.Itisnousetellinghimthat.Itdoesn’tmatterwhethershecomesornot.

引導(dǎo)詞作形式賓語(yǔ),代替由不定式、動(dòng)名詞或從句等表示的真正賓語(yǔ)。Ifeelitmydutytohelphim.Wethoughtitnousedoingthat.I’vemadeitclearthatnobodyisallowedtosmokehere.引導(dǎo)詞表示強(qiáng)調(diào),其結(jié)構(gòu)是:Itis/was+強(qiáng)調(diào)部分+that+原句剩余部分。此結(jié)構(gòu)只限于強(qiáng)調(diào)狀語(yǔ)、主語(yǔ)和賓語(yǔ)。注意：①如果強(qiáng)調(diào)的是人,其后用that或who均可;②如果強(qiáng)調(diào)的是物、時(shí)間或地點(diǎn)等狀語(yǔ),其后只能用that不用where、when、why。引導(dǎo)詞IsawTomyesterdayhere.①ItwasIthat/whosawTomyesterdayhere．②ItwasTomthat/whoIsawyesterdayhere．③ItwasyesterdaythatIsawTomhere．④ItwasherethatIsawTomyesterday．引導(dǎo)詞注意:若原句是not…until句型,在強(qiáng)調(diào)until部分時(shí),要把否定形式放入被強(qiáng)調(diào)部分。例如:Hedidn’tleaveuntillreturned.=ItwasnotuntilIreturnedthatheleft．易與強(qiáng)調(diào)句型*若強(qiáng)調(diào)謂語(yǔ),則用do/does/did+動(dòng)詞原形,常譯為“的確”“一定”等,該結(jié)構(gòu)只能用于陳述句或祈使句中。引導(dǎo)的強(qiáng)調(diào)句與其它從句的區(qū)別在于：Dobepatient!(一定要耐心點(diǎn))HedoeswanttolearnEnglishwell.(他的確想學(xué)好英語(yǔ)。)ItwasintheplacethatIwasborn.(強(qiáng)調(diào)句)ItwastheplacewhereIwasborn.(定語(yǔ)從句)混淆的其它從句①?gòu)?qiáng)調(diào)句型中前后時(shí)態(tài)應(yīng)一致;②被強(qiáng)調(diào)的部分為主語(yǔ)、賓語(yǔ)和狀語(yǔ),若把itis／was和that／who去掉,剩下的詞語(yǔ)能重新組成正確的句子,而且不缺成分,否則就是其它從句。Itwasin1945thatWorldWarIIended.(強(qiáng)調(diào)句)Itwas1945whenWorldWarIIended.(定語(yǔ)從句)③ItwasalongtimesinceImetyoulast.(時(shí)間狀語(yǔ))Itistimethatyouwenttobed.(定語(yǔ)從句)口訣：代詞it本意它,既可指這又指那;

時(shí)間天氣均可指,談到距離也用它;

假主假賓均可做,強(qiáng)調(diào)句型跟that。1.Itwasthisvillage___Iwasbought.A.whereB.thatC.onwhichD.which2.Itwasinthisvillage___Iwasboughtup.A.whereB.thatC.onwhichD.which3.Canitbeinthedrawer___youputyourpassport?A.whereB.inwhichC.thereD.that4.ItwasJuly1,1997___sawthereturnofHongKongtothemotherland.A.thatB.whenC.whichD.inwhich5.Itistwoyears__Ijoinedthearmy.A.beforeB.sinceC.thatD.after6.Itwastwoyears___Ijoinedthearmy.A.beforeB.sinceC.thatD.after7.---Wasitunderthetree___youwereawaytalkingtoafriend?---Sure.ButwhenIgotbackthere,thebikewasgone.A.thatB.whereC.whichD.while8.---Whydon’twetakealittlebreak?---Didn’twejusthave____?A.itB.thatC.oneD.this9.Itwasnotuntil1920____regularradiobroadcastbegan.A.whileB.whichC.thatD.since10.___isthefactthatEnglishisbeingacceptedasaninternationallanguage.A.ThereB.ThisC.ThatD.It11.Itwasabout600yearsago___firstclockwithafaceandanhourhandwasmade.A.thatB.untilC.beforeD.when12.Ihate____whenpeopletalkwiththeirmouthsfull.A.itB.thatC.theseD.them13.ItwasonlywhenIrereadhispoemsrecently____Ibegantoappreciatetheirbeauty.A.untilB.thatC.thenD.so14.Itistheabilitytodothejob____mattersnotwhereyoucomefromorwhatyouare.A.oneB.thatC.whatD.it15.TheParkersboughtafewhousebut__willneedalotofworkbeforetheycanmovein.A.theyB.itC.oneD.which16.____noneedforustodiscusstheproblemagainsinceithasalreadybeensettled.A.IthasB.TherehasC.ItisD.Thereis17.Wasitin1969__theAmericanastronautsucceeded___landingonthemoon.A.when;onB.that;onC.when;inD.that;in18.Was___thatIsawlastnightattheconcert?A.ityouB.notyouC.youD.thatyourself19.____wasin1979___Igraduatedfromtheuniversity.A.That;thatB.It;thatC.That;whenD.It;when20.Whatapitymynewcomputerdoesn’twork!____mustbesomethingwrongwi