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1、UNIT2Lesson7~12PlantaPlant!Functions:Grammar:Structures:TalkingaboutPlantsandGardeningWordBuildingIt’sfunandimportanttoplantplants.Gardeningisaveryenjoyablehobby.Thatisthewholepurposeofgrowingagarden.WeWillLearnLesson7:PlantingTrees1)must情态动词的用法2)befilledwith3)suppose的用法I.Learninga
2、ims:Thewordsandphrases:hole,large,root,seedling,cover,fill,dirt,pack,dust,storm,dirty,northern,bottomII.Learningimportantanddifficultpoints:holerootseedlingstormfilldirtpackdustcoverdirtynorthernbottomlargeNewWords●Haveyoueverplantedaseed?Howdoyouplantaseed?●Whatdoesaplantneedtogro
3、w?●Whatarethebasicstepsforplantingatree?Thinkaboutit!Afteryouplantaplantinapot,whatdoyoudonext?Discusshowtoplantaseedinapot.◆Coveryourseedwithoil.◆Wateryourseedeveryday.Itcan’twateritself.◆Putitinthesun.Plantsneedsunshine!Project:Grow!Grow!Grow!Soon,yourseedwillgrowrootsandastem.Th
4、enitwillgrowaleafandthenanotherleaf.Yourseedwillgrowintoaplant.Makeaposter.Howwillyourseedgrow?Writefourorfivesentences.Whatwillyourplantlooklike?Drawapictureofyourplantandlabelitsroots,stems,leavesandflowers.Putyourposteraboveyourpot.Noweveryonecanseehowyourseedwillgrow!LanguagePo
5、intsItmustbelargeenoughtoholdtherootsoftheseeding.它必须足够大以容纳的种子根。must是情态动词,意为“必须;肯定”。用在肯定句中表示较有把握的推测。对现在的状态或现在正发生的事情的推测时,must后面通常接系动词be的原形或行为动词的进行式。如:Youhaveworkedhardallday.Youmustbetired.你辛苦干一整天,一定累了。fill作动词,常用动词词组fill…with…意为“用……把……装满”,被动形式:befilledwith意为“装/填满”,相当于befullof,full是形
6、容词,意为“装满;充满”。如:2.Now,puttheseedlinginside,covertherootsandfilltheholewithdirt.现在,把幼苗放进来,盖上根,用泥土填上坑。Hefilledhisbackpackwithbooks.他把书装进书包。3.Isupposetreeplantingisveryimportantwork.我想,植树造林是非常重要的工作。suppose是及物动词,常用来表示说话人的看法、猜测或假设。其基本用法如下:(1)“suppose+名词/代词+介词短语”表示“猜测某人/某物在……”。如:Hesuppose
7、dhisfriendinthelibrary.他猜想他的朋友在图书馆里。(2)besupposedto中的to是动词不定式符号,后接动词原形,主语为人时,表示“应该;被期望”,它可以用来表示劝告、建议、义务、责任等。主语为物时,它表示“本应;本该”,用于表示某事本应该发生而没有发生。它还可以用来表示“被认为是;被相信是”。如:Iamsupposedtostartworkat7:30everymorning.我理应每天早晨7:30开始工作。Exercises1.IwanttobeadoctorwhenIg______up.2.Aftertherain,thel
8、______ofthetreesbecamegree