【课件】Unit+2Discovering+Useful+Structures+高一英语人教版（2019）第二册.pptx

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1、Unit 2 Wildlife Protection Discovering Useful Structures123Teaching ObjectivesIdentifythepresentcontinuouspassivevoicetohighlightitsformandfunction;Understandandpractiseusingpresentcontinuouspassivevoiceinsentencesandpassages;Prepareareportapplyingthepresentcontinuouspassivevoicetoshareknowledgeoflo

2、calwildlifeconservation,aswellasopinionsandsolutions.Lead inEnjoythesong:LovetobelovedbyyouFillintheblankwiththelyricsBaby,tellmehowcanItellyouThatI_youmorethanlifeShowmehowcanIshowyouThatIm_byyourlightWhenyoutouchmeIcantouchyouTofindoutthedreamistrueI_tobelovedIneedtobe_Ilovetobe_byyouloveblindedlo

3、velovedlovedLoveToBeLovedByYou是一首旋律优美的英文歌曲，演唱者是美国流行歌手马克特伦茨（MarcTerenzi）。2005年，Marc与德国歌手莎拉寇娜（SarahConnor）结婚时，将这首歌作为爱的礼物献给妻子。主动主动语态语态被动被动语态语态Explore the rulesAbasketballisbeingplayedbyMiki.Abookisbeingreadbythegirl.Ourfurisbeingusedtomakesweatersforpeoplelikeyou.小结：PresentProgressivePassiveVoice现在进行时的

4、被动语态1.1.定义定义：表示“某人/事此时此刻正在被”，主语是动作的承受者,表示说话时或现阶段某个被动的动作正在进行。2.结构结构 1）肯定形式：am/is/arebeing过去分词.The house is being painted.2）否定形式:am/is/arenotbeing过去分词.The trees are not being watered.3）一般疑问句式:Am/Is/Are主语being过去分词？Am I being watched over?4）特殊疑问句式:特殊疑问词+am/is/are主语being过去分词？How is your computer being re

5、paired?1.Theplan_thismonth.计划本月正在执行。2.Yourcomputer_now.现在没人修理你的电脑。3._thesefields_thisweek？这周有人在给这些地浇水吗？4.Where_you_now？现在你们在哪里接受面试？isbeingcarriedoutisnotbeingrepairedArebeingwateredarebeinginterviewed3.主动语态变被动语态的原则主动语态变被动语态的原则“三变”例：Theyarebuildingnineparks.原句主语变为by短语宾语变为主语谓语由主动变为被动“三不变”原句意思不变原句时态不变原

6、句主谓宾以外成分不变Nineparks_bythem.Howmanyparks_?arebeingbuiltarebeingbuilt英语动词有两种语态：英语动词有两种语态：主动语态主动语态(the Active Voice)被动语态被动语态(the Passive Voice)be+done将下列句子转化成被动语态(1)The black cat is attacking a mouse._.(2)The World Wildlife Fund is protecting the African elephants._.A mouse is being attacked by the bla

7、ck cat.The African elephants are being protected by the World Wildlife Fund 例：1.Mary_(interview)now.2.Look!Thebaby_(takecareof)byheraunt.3.Thedisease_(study)atpresentbyscientist.4.现在进行时的被动语态基本用法：现在进行时的被动语态基本用法：（1）表示说话时刻正在进行或发生的被动动作。isbeingtakencareofisbeingstudiedisbeinginterviewed（2）表示现阶段正在进行或发生的被动

8、动作.(3)表示习惯性的被动行为，常用 always,often等修饰，多带有赞扬、羡慕、责备或埋怨等感情色彩Tom is always being praised by the teacher.(4)与某些情态动词连用表示对正在发生动作的推测。The old man may be being watched over by a volunteer at the very moment.（5）表示按计划、安排将要发生的被动动作。例：1.今晚将要举办一场晚会。Anparty_(hold)tonight.2.下面将唱一首民歌。Afolksong_(sing)next.3.据说下周日早上八点他将开飞

9、机去。Itissaidthataplane_(fly)byhimtoAmericaateightnextSundaymorning.isbeingheldisbeingsungisbeingflown(1)没有进行时的被动语态一些表示状态、心理活动、拥有、存在等的动词(stay,love,have,want等)一般不用进行时被动语态,常用一般现在时被动语态表示此时此刻或目前主语承受谓语动词的动作。【练习】判断正误。小王,过来,有你的电话。XiaoWang,comehere.Youarebeingwantedonthephone.XiaoWang,comehere.Youarewantedont

10、hephone.注意事项：注意事项：(2)表示被动结构“be+under/in/on等介词+名词”结构可替换现在进行时被动语态。isbeingattacked例：1.目前这个城市正受到进攻。Thecityisunderattackatthemoment.2.桥梁正在建筑中。Thebridgeisunderconstruction.isbeingconstructed（3）少数动词，如cook,print,build,make,hang等常用其进行时态的主动形式表示被动意义。These magazines are printing.The meat is cooking.1.1.现在进行时的被动

11、语态的基本结构现在进行时的被动语态的基本结构肯定结构be(am/is/are)beingdone否定结构be(am/is/are)+not+beingdone一般疑问结构be(am/is/are)+主语+beingdone特殊疑问结构特殊疑问词+be(am/is/are)+主语+beingdoneSummary（1）表示说话时刻正在进行或发生的被动动作。（2）表示现阶段正在进行或发生的被动动作（3）表示习惯性的被动行为，常用 always,often等修饰，多带有赞扬、羡慕、责备或埋怨等感情色彩（4）与某些情态动词连用，表示对正在发生动作的推测。（5）表示按计划、安排将要发生的被动动作2.2.

12、现在进行时的被动语态的基本用法现在进行时的被动语态的基本用法用所给动词的适当形式填空1Thesmartphone_(love)bymoreandmorepeople,2Sometrees_onthehillnow.(plant)3I_(treat)atthehospitalnow.4Look,thechildren_(take)goodcareofbytheteacher.5Manyinterestingexperiments_(do)thesedays.6Notes_(take)byyourightnow.7Aprojectaboutprotectingthenaturalresources_(design).islovedambeingtreatedarebeingtakenarebeingdonearebeingtakenisbeingdesignedarebeingplantedBye-bye!