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.Learningaims:Thewordsandphrases:hole,large,root,seedling,cover,fill,dirt,pack,dust,storm,dirty,northern,bottomII.Learningimportantanddifficultpoints:holerootseedlingstormfilldirtpackdustcoverdirtynorthernbottomlargeNewWordsNewWords●Haveyoueverplantedaseed?Howdoyouplantaseed?●Whatdoesaplantneedtogrow?●Whatarethebasicstepsforplantingatree?Thinkaboutit!Afteryouplantaplantinapot,whatdoyoudonext?Discusshowtoplantaseedinapot.◆Coveryourseedwithoil.◆Wateryourseedeveryday.Itcan’twateritself.◆Putitinthesun.Plantsneedsunshine!Project:Grow!Grow!Grow!Soon,yourseedwillgrowrootsandastem.Thenitwillgrowaleafandthenanotherleaf.Yourseedwillgrowintoaplant.Makeaposter.Howwillyourseedgrow?Writefourorfivesentences.Whatwillyourplantlooklike?Drawapictureofyourplantandlabelitsroots,stems,leavesandflowers.Putyourposteraboveyourpot.Noweveryonecanseehowyourseedwillgrow!LanguagePoints1.Itmustbelargeenoughtoholdtherootsoftheseeding.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：Hesupposedhisf...
