九年級(jí)英語(yǔ)下冊(cè)Unit4LifeonMarsGrammar課件(新版)牛津

Unit4LifeonMars

GrammarUsingadverbialclausesorsimplesentences

NeilArmstrongreceivedhisstudentpilot’slicence

becauseofthelowgravity.withoutfood,wateroroxygen.whenhewas16.whenhewas16.

attheageof16.Peoplemightfloatinspace

Humanscannotsurvive

becausethegravityislow.

becausethegravityislow.

ifthereisnofood,wateroroxygen.

ifthereisnofood,wateroroxygen.Sentences時(shí)間狀語(yǔ)從句可借助介詞短語(yǔ)轉(zhuǎn)化為簡(jiǎn)單句。IcouldswimwhenIwaseightyearsold.Hewenthomeafterhefinishedhiswork.狀語(yǔ)從句和簡(jiǎn)單句之間的轉(zhuǎn)換

Icouldswimattheageofeight.Hewenthomeafterfinishinghiswork.because引導(dǎo)的原因狀語(yǔ)從句用短語(yǔ)becauseof可轉(zhuǎn)換成簡(jiǎn)單句。

Hewaslateforschoolbecauseitrainedheavily.Hewaslateforschoolbecauseoftheheavyrain.狀語(yǔ)從句和簡(jiǎn)單句之間的轉(zhuǎn)換Youcannotenterthecinemaifyoudon’thaveaticket.狀語(yǔ)從句和簡(jiǎn)單句之間的轉(zhuǎn)換Youcannotenterthecinemawithoutaticket.

ifnot引導(dǎo)的條件狀語(yǔ)從句可借助without短語(yǔ)轉(zhuǎn)化為簡(jiǎn)單句。1.NeilArmstrongtookhisfirstflightwhenhewasonlysix.Learningaboutouterspace1.NeilArmstrongtookhisfirstflightattheageofsix.2.YuriGagarinbecamethefirstmantogointoouterspace

attheageof27.

2.YuriGagarinbecamethefirstmantogointoouterspace

whenhewas27.

3.PeoplemightmovetoanotherplanetinthefuturebecausethepopulationontheEarthisincreasingrapidly.3.PeoplemightmovetoanotherplanetinthefuturebecauseoftherapidlyincreasingpopulationontheEarth.4.Ifthereisnofreshfood,mealswillnotbeastastyastheyaretoday.

4.Withoutfreshfood,mealswillnotbeastastyastheyaretoday.5.ItwouldbefunnytoplayfootballonMarsbecauseofthelowgravity.5.ItwouldbefunnytoplayfootballonMarsbecausethegravityislow.6.Withoutspecialboots,youcannotwalkonMars.6.Ifthereisnospecialboots,youcannotwalkonMars.sothat引導(dǎo)的目的狀語(yǔ)從句可用“inorderto”或“soasto”轉(zhuǎn)換為簡(jiǎn)單句。Hegotupearlysothathecouldcatchtheearlybus.Hegotupearlyinorderto/soastocatchtheearlybus.狀語(yǔ)從句和簡(jiǎn)單句之間的轉(zhuǎn)換Thishallissolargethatitcanhold2000people.Thishallislargeenoughtohold

2000people.sothat引導(dǎo)的目的狀語(yǔ)從句可用inorderto或soasto轉(zhuǎn)換為簡(jiǎn)單句。so…that…引導(dǎo)的結(jié)果狀語(yǔ)從句的可用enoughto結(jié)構(gòu)轉(zhuǎn)換為簡(jiǎn)單句。UsingobjectclausesorsimplesentencesThesmellofthepillsremindsthemthatfoodontheEarthistasty.

Aretheysurethatspacetravelwillbeveryfast?

ThesmellofthepillsremindsthemofthetastyfoodontheEarth.Aretheysureaboutthefastspeedofspacetravel?Sentences可以用介詞如of、about等將賓語(yǔ)從句轉(zhuǎn)換為簡(jiǎn)單句。

Changethesentencesintosimplesentences1.AreyoucertainthatTomissatisfiedwiththeplan?2.Idon’tknowwhichoneIcanbuy.Idon’tknowwhichonetobuy.AreyoucertainaboutTom’ssatisfactionwiththeplan?3.IheardshewassinginginEnglish.IheardhersinginginEnglish.4.ThephotosremindmethatIhavetravelledtotheUK.ThephotosremindmeofmytriptotheUK.5.DoyouunderstandwhatIsaid?Doyouunderstandmywords?1.Areyouaware___________________________________(distance)?2.Doscientistsagree____________________________________________________(possibility)?3.Havetheythought_______________________________________(problem)?4.Areyouaware_____________________(transport)?5.Iwonder___________________________________________________(number).6.Ithinkpeopleshouldknow__________________________________________________(differences).ofthedistancebetweenMarsandtheSunwihthepossibilityoflivingonMarsforhumansinthefutureabouttheproblemofthelowgravityonMarsofthetransportonMarsaboutthenumberofpeoplewhowouldliketomovetothedifferencesbetweenlifeonMars

andthatontheearth

MarsAbouttheplanetMarsUsingdefiningrelativeclausesorsimplesentences

Peoplemightliveinhouseswhichhavehugecomfortablerooms.

OnMarsyoumightseepeoplewhowearspecialboots.

SentencesPeoplemightliveinhouseswith

hugecomfortablerooms.OnMarsyoumightseepeoplein

specialboots.可以用介詞如with、in等將定語(yǔ)從句轉(zhuǎn)換為簡(jiǎn)單句。MarsisaplanetanenvironmentsimilartothatoftheEarth.2.AstronautsspacesuitsandhelmetsmightstayonMarsforhours.3.ItisdifficulttobreatheonaplanetmuchthinnerairthanthatontheEarth.4.OnMarstheremightbepeopleairtanksontheirbacks.CuriousaboutMarsChangerelativeclausesintosimplesentenceswiththathaswhowearinthathaswithwithwhocarrythathaswhowearthathaswhocarry

Changethesentencesintosimplesentences1.ThegirlwhoiswearingahatisLucyKing.2.Iprefertostayinahotelroomwhichhasaseaview.Iprefertostayinahotelroomwithaseaview.ThegirlwithahatisLucyKing.3.ThemanwhowearsablueshirtisourEnglishteacher.ThemaninablueshirtisourEnglishteacher.4.

Doyouknowthegirlwhoisholdingtwobooksinherhand?Doyouknowthegirlwithtwobooksinherhand?5.Wesawtheglassesthatwereonthetablefalloffontothefloor.Wesawtheglassesonthetablefalloffontothefloor.ReplaceeachoftheunderlinedpartswithanotherexpressionDearaliens,HumansarethinkingaboutmovingtoanotherplanetbecausethepollutionontheEarthisveryserious.ManypeopledonotdoubtthatlifeonMarswouldbeveryinteresting,butIamnotsure.WecouldnotplayfootballonMarsbecauseofthelowgravity.LifewouldbeboringformeifIcouldnotplayfootball.MaybethisproblemcouldbesolvedbybuildingindoorplaygroundswhichhavethesamefootballfieldsasthoseontheEarth.Bytheway,wouldstrangersbewelcome?Ihopetohearfromyousoon.Simon___________________________________________________________________________________________________________________________________________________________________________________Dearaliens,HumansarethinkingaboutmovingtoanotherplanetbecausethepollutionontheEarthisveryserious.ManypeopledonotdoubtthatlifeonMarswouldbeveryinteresting,butIamnotsure.WecouldnotplayfootballonMarsbecauseofthelowgravity.LifewouldbeboringformeifIcouldnotplayfootball.Maybethisprob