選修6Unit4Globalwarming語法-It的用法及強(qiáng)調(diào)句型

(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。—Whoisit?—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?！猈hat’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,代替由不定式、動(dòng)名詞或從句等表示的真正主語。Itiseasytobuyanewradio.Itisnousetellinghimthat.Itdoesn'tmatterwhethershecomesornot.

引導(dǎo)詞作形式賓語,代替由不定式、動(dòng)名詞或從句等表示的真正賓語。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、主語和賓語。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,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,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。)ItwasintheplacethatIwasborn.(強(qiáng)調(diào)句)ItwastheplacewhereIwasborn.(定語從句)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、賓語和狀語,若把itis／was和that／who去掉,剩下的詞語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.(定語從句)③ItwasalongtimesinceImetyoulast.(時(shí)間狀語)Itistimethatyouwenttobed.(定語從句)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!____mustbesomethingwrongwithit.A.ItB.ThereC.ThisD.That21.Ilike____intheautumnwhentheweatherisclearandbright.A.thisB.thatC.itD.one22.Someoneisknockingatthedoor,butwhocan___be?A.oneB.heC.sheD.it23.Aknockonthedoormadehimlookup.But___wasonlythemanager.A.thisB.thatC.sheD.it24.Someoneisringingthedoorbell.Goandsee____.A.whoisheB.whoheisC.whoisitD.whoitis25.Is___necessarytocompletethedesignbeforeNationalDay?A.thisB.thatC.itD.he26.Does___matterifhecan’tfinishthejobontime?