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《【5A文】冀教八年级英语下lesson9课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、Lesson9Howdoesaplantgrow?Learningaims:1.Masterthewords:plantwatergrowleaf–leavescoveritself2.Understand:seedbudstempotsoilrootsunshineposter3.Trytodiscusshowtoplantaseedinapot.plantItismyfavouriteplant.Everyyearmyfatherplantsit.Wedrinkwatereveryday.Look,thefarmeri
2、swateringthetree.waterseedbudrootsstemleafsoilListentothetapecarefullyandanswerthefollowingquestions.1.HasLiMingplantedhisseeds?2.WhatisWangMeimaking?Yes,hehas.Sheismakingherposter.Readinpairsandanswerthequestions,please.1.WhatisWangMeidrawing?2.Plantsneedsunshine
3、,don’tthey?3.WhatcolourdoesLiMingusefortheleavesandstems?4.Doyouthinkthebudsgrowintoflowers?Yes,Ithinkso.Sheisdrawingaflowerbud.Yes,theydo.Green.Project:GOW,GOW,GOWDiscusshowtoplantaseedinapot.Coveryourseedwithsoil.Wateryourseedeveryday.Itcan’twateritself.Putitint
4、hesun.plantsneedsunshine!soon,yourseedwillgrowrootsandastem.Thenitwillgrowaleafandthenanotherleaf.Yourseedwillgrowintoaplant.Makeaposter.Howwillyourseedgrow?Writefourorfivesentences.Whatwillyourplantlooklike?Drawapictureofyourplantandlabelitsroots,stems,leavesandf
5、lowers.Putyourposteraboveyourpot.Noweveryonecanseehowyourseedwillgrow!Haveyoueverplantedaseed?你播过种吗？该句是一个现在完成时的句子。现在完成时：表示过去发生的动作对现在造成的影响或结果。结构:have/has+动词的过去分词。（当主语为第三人称单数时用has，非第三人称单数时用have）Ihaveseenthefilm.我看过这部电影。Haveyoufoundyourpen?你找到钢笔了吗？注：句中如有already,just,
6、yet,ever,never,before这类副词做状语时，谓语动词常用现在完成时。seedn.种子，也可做动词，意为“播(种)”，其同义词是sow。Thisisabagofsunflowerseeds.这是一袋葵花子。Weplantseedsinthefield.我们在地里播种。Theyareseedingafieldwithwheat.他们在地里播种小麦。Whatdoesaplantneedtogrow?植物生长需要什么？needvt.需要，一般有三个结构：needsth.,needtodosth.和needdoing
7、sth.（主语与need后的动名词具有动宾关系）Ineedsomehotwater.我需要些热水。Heneedstohavearest.他需要休息。Thetreesneedwatering.树需要浇水了。WhatcolourdoesLiMingusefortheleavesandstems?李明用什么颜色来画叶和茎？leaves是leaf的复数注：以f,fe结尾的名词单数变复数，要把f,fe变为-ves。knife—kniveswife—wivesI’vealreadywateredmyseed.我已经给种子浇水了。alr
8、eadyadv.已经Mr.GreenhasalreadyarrivedinBeijing.格林先生已经到北京了。辨析：already,still与yetalready已经，通常用于肯定句，表示惊讶某事发生的时间比预期的早，也可用于疑问句，表示期望得到对方做一明确的答复或表示一种惊讶，此时常置于句末。st
