KeyquestionWhatshouldwelearnabouttheEarth?Unit4TheEarthLesson3Therearefieldsandmountains,riversandseas,forestsanddeserts.Canyoudescribethesephotos?Therearemanydifferentplants.Somearetall,somearesmall.Lead-inTherearemillionsofanimalsonEarth.Someliveonland,some...TherearemanypeoplelivingonEarth.Itprovides...with...Canyoudescribethesephotos?Weoftenuse“Thereis/are...”tosaythatsth.existssomewhere.Lead-inSuMeiandSuWenaretalkingabouthowtoprotectthesea.Guesswhatarethemissingwordsandwhy.SuMei:Theseaisveryimportanttous.Butthereismoreandmoreplastic

pollution

inthesea.

Whatcanwedotohelpprotectthesea?SuWen:Therearemanythingswecando.WeshoudorganizeaBeach

Clean-upDay.

Yousee,therearealwaysmanybottlesandplastic

bags,andalotofotherrubbishonthebeachesinourarea.These

thingsallendupinthesea.SuMei:

That’sagoodidea!Arethereanyotherthingswecandotohelp?SuWen:Yes,ofcourse,

Iwillsendyouanarticlewithsomegood

suggestions.Tip:Payattentiontotheunderlinednounsandnounphrases.Grammar：thereis/are...PresentationPresentationplasticpollutionthingsplasticbagsbottlesrubbishThinkaboutthedifference:PresentationUncountablenouns不可數(shù)名詞thingsbottlesplasticbagsplasticpollutionrubbishCountablenouns可數(shù)名詞Presentation?？嫉牟豢蓴?shù)名詞氣體：air,oxygen液體：water,milk,tea,coffee,juice,soup,oil食物：food,rice,bread,meat,beef,pork其他：time,money,homework,housework,advice,weather,information,furniture,pollutionYousee,therearealwaysmanybottlesandplastic

bags,andalotofotherrubbishonthebeachesinourarea.Yousee,thereisalways

alotof

rubbish,

andmanybottlesandplastic

bagsonthebeachesinourarea.Remember:Therebe句型在使用時(shí),謂語(yǔ)動(dòng)詞的單復(fù)數(shù)通常遵循_______________?！熬徒瓌t”PresentationToday,thereisalotofpollution.TherearealsomanypeoplelikeyouandmeonEarth.Therearemanydifferentplants.TherearedifferentanimalsonEarthtoo.Thereareforestsandrivers,mountainsandfields.PresentationWeuse__________withasingularnounoranuncountablenoun.Weuse____________withapluralnoun.thereisthereareThere______apenonthedesk.There______twoboxesonthedesk.There______apenandtwoboxesonthedesk.There______twoboxesandapenonthedesk.There______somewaterinthebottle.There______somerocksinthebottle.There______somerocksandwaterinthebottle.There______somewaterandrocksinthebottle.isareisareisareareisCanyoutrythisexercise?PracticePresentationTherearemountainsandforestsonEarth.變?yōu)橐话阋蓡柧銩retheremountainsandforestsonEarth?肯定回答Yes,thereare.否定回答No,therearen’t.PresentationThereisalotofrubbish.變?yōu)橐话阋蓡柧銲stherealotofrubbish?肯定回答Yes,thereis.否定回答No,thereisn’t.PresentationAretheremountainsandforestsonEarth?Istherealotofrubbish?一般疑問句:

Is/Arethere+人/物+地點(diǎn)肯定回答：

Yes,thereis/are.否定回答：

No,thereisn't/aren't.Let'ssumuptherules!PresentationThereissomerubbish.變?yōu)橐话阋蓡柧銲sthereanyrubbish?肯定句中的some在否定句或疑問句中要變?yōu)閍ny。變?yōu)榉穸ň銽hereisnotanyrubbish.PracticeFillintheblankswithcorrectforms.1.Therearesomebottlesofmilkinthefridge.(改為一般疑問句并作肯定和否定回答) ____________

______bottlesofmilkinthefridge? Yes,______

______. No,______

________.2.Therearetenbirdsflyingintheair.(就劃線部分提問)

______

______birds______

______flyingintheair?Arethereanytherearetherearen’tHowmanyaretherePracticeFillintheblankswithcorrectforms.3.Thereissomeiceontheriver.(就劃線部分提問)

_______

_______ice_______

_______ontheriver?4.Therearesomeapplesinthebox.(用a/an替換some改寫句子)There_______

_______

_______inthebox.5.Isthereapieceofpaperonthedesk?(用three替換a改寫句子)

_______there_______

_______of_______onthedesk?ArethreepiecespaperHowmuchisthereisanapplePractice/?ri??sa?kl?blwe?st/可回收物/r??z?dju?lwe?st/其他垃圾/fu?dwe?st/廚余垃圾/?h?z?d?swe?st/有害垃圾ThebinsarefullattheendoftheBeachClean-upDay.Whatrubbishisthereineachbin?PracticeDiscussingroupsandputtheseitemsinthecorrectcategories.PracticeWhatrubbishisthereineachbin?Lookatthelistbelowandwritesentenceswiththereis/thereare.Thereisalotofpaperinthebluebinforrecyclablewaste.Therearesomeplasticbagsintheblackbinforresidualwaste.1.Thereissomebrokenglassinthebluebinforrecyclablewaste.Practice2.Thereisalotofpaperinthebluebinforrecyclablewaste.3.Therearesomeplasticbottlesinthebluebinforrecyclablewaste.4.Therearesomeclothesinthebluebinforrecyclablewaste.5.Therearesometincansinthebluebinforrecyclablewaste.Practice6.Therearesomeplasticbagsintheblackbinforresidualwaste.Practice7.Therearesomefishbonesinthegreenbinforfoodwaste.Practice8.Therearesomelithiumbatteriesintheredbinforhazardouswaste.ProductionPrepareaspeechtoaskmorepeopletotakepartintheBeachClean-upDay.Workingroupsoffourandanswerthefourquestionsrespectively.S1：WhyareyouaskingpeopletotakepartintheBeachClean-upDay？S2：Whatcanyouseeonthebeach?S3：Whatcanpeopledotoprotectthesea?S4：Howcanwecallforpeople’sattention?GROUPWORKProductionChooseagroupmembertocombineandpresentyourgroup’sideas.Forexample:Summary①如果句子的主語(yǔ)是單數(shù)可數(shù)名詞或不可數(shù)名詞時(shí)，be動(dòng)詞就用is。Thereisatableintheroom.Thereisalittlewaterinthebottle.②如果句子的主語(yǔ)是復(fù)數(shù)名詞時(shí)，be動(dòng)詞就用are。Therearesomepencilsonthechair.

thereis/are+sth./sb.

單復(fù)數(shù)保持一致Summary肯定句：Therearesomebeautifulflowers.否