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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)befilledwith
2、3)suppose的用法I.Learningaims:Thewordsandphrases:hole,large,root,seedling,cover,fill,dirt,pack,dust,storm,dirty,northern,bottomII.Learningimportantanddifficultpoints:holerootseedlingstormfilldirtpackdustcoverdirtynorthernbottomlargeNewWords●Haveyoueverplantedase
3、ed?Howdoyouplantaseed?●Whatdoesaplantneedtogrow?●Whatarethebasicstepsforplantingatree?Thinkaboutit!Afteryouplantaplantinapot,whatdoyoudonext?Discusshowtoplantaseedinapot.◆Coveryourseedwithoil.◆Wateryourseedeveryday.Itcan’twateritself.◆Putitinthesun.Plantsneed
4、sunshine!Project:Grow!Grow!Grow!Soon,yourseedwillgrowrootsandastem.Thenitwillgrowaleafandthenanotherleaf.Yourseedwillgrowintoaplant.Makeaposter.Howwillyourseedgrow?Writefourorfivesentences.Whatwillyourplantlooklike?Drawapictureofyourplantandlabelitsroots,stem
5、s,leavesandflowers.Putyourposteraboveyourpot.Noweveryonecanseehowyourseedwillgrow!LanguagePointsItmustbelargeenoughtoholdtherootsoftheseeding.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：Youhaveworkedharda
6、llday.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.Isuppo
7、setreeplantingisveryimportantwork.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：Hesupposedhisfriendinthelibrary.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；
8、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______ofthetreesbecamegree
