9年级人教版全一册Unit 5 What are the shirts made of？ 课件(共20张PPT)

(共20张PPT)
难点：1、能够用英语描述及询问物品的制造材料和在哪里制造；2、能正确理解和使用一般现在时表被动语态的用法及句子结构。人教版初中九年级英语第五单元课题：Unit 5 What are the shirts made of 目录CONTENTS导入PapermakingTechnologyWho invented paper first Cai Lun invented it in Han dynasty.What was paper made of then It was mainly made of bamboo.导入PapermakingTechnologyWas it easy for people to make paper then No, it was very difficult then.What is paper made of now It‘s mainly madeof wood, bamboo, and cotton.活动与探究（温馨提示：规范操作、注意安全）知识讲解Language goals1、学习了解被动语态，掌握一般现在时表被动语态的基本结构，并学习被动语态的陈述句、一般疑问句和否定句；2、学习了解be made of、be made from和be made in...等make短语的用法和区别，并结合实际生活情境理解和运用。学习目标英语中有主动(active voice)和被动(passive voice)两种语态。（1）在主动语态中，主语是动作的执行者。Many peoplespeakChinese.（2）在被动语态中，主语是动作的承受者，即行为动作的对象。Chineseis spokenby many people.被动语态（passive voice）知识讲解1、被动语态的否定句，一般疑问句和时态的转换要靠be动词来完成。即否定句在be动词后加not，一般疑问句be动词提前。2、被动语态中的实意动词必须是及物动词。3、语态和时态并不矛盾，被动语态可以存在于不同时态当中。被动语态的基本结构Be动词+及物动词的过去分词，即：be+done注意：知识讲解Theycleanthe river.The riveris cleanedby them.被动语态的基本结构主动语态被动语态知识讲解被动语态句中的谓语部分由助动词be+动词的过去分词构成。其中，助动词be（am／is／are）来体现时态的变化。主动语态变被动语态口诀：知识讲解宾语提前主语变，原主变宾by后见，时态人称be关键。课堂练习Lindawatersthe flowers every day.The flowersare wateredbyLinda every day.Can you change 难点巩固肯定句：The shirtsare made ofcotton.否定句：The shirtsarenotmade ofcotton.一般疑问句：Arethe shirtsmade ofcotton？be made of由......制成产品+be made of+原料知识讲解makemademade过去式过去分词These are allmaterials（材料），many thingsare made ofthem.知识讲解What's this It's a flower.知识讲解Whatisitmade of Itis made ofgold.What's this It's a blouse.知识讲解Whatisitmade of Itis made ofsilk.be made of、be made from和be made in的区别知识讲解1、be made of、be made from两词组都是“由……制成的”之意。be made of指从原料到制成品只发生了形状变化，没有发生本质变化（属物理变化）be made from指从原料到制成品发生了质的变化，已无法复原（属化学变化）2、be made in在...制造／生产（后接产地）3、be made by sb.表示由某人制成，后接动作的执行者。4、be made into被制成为...，后接成品。课堂练习1.Books are madepaper while paper is mainlymadewood.A. of；of B. from；fromC. of；from D. from；ofExercise难点巩固课堂练习2.-Your coat looks very nice. What's it made -Cotton, and it is madeWu han.A. from；in B. of；inC. from；on D. of；onExercise难点巩固课堂练习1、English（speak）by many people.2、Tea（grow）in Southeast China.3、Many trees（plant）in North China.4、The brush（make）of bamboo and animal's hair.5、Confucius（know）as a great thinker in China.is spokenis grownare plantedis madeis knownExercise难点巩固小结1、一般现在时表被动语态的用法及句子结构。2、主动语态与被动语态的转换。3、be made of、be made from和be made in的区别。一般现在时表被动语态Thank you for listening！