《人教-必修2-unit-4-wildlife-protection-Learning-about-languageppt课件-(56)》由会员分享，可在线阅读，更多相关《人教-必修2-unit-4-wildlife-protection-Learning-about-languageppt课件-(56)（56页珍藏版）》请在金锄头文库上搜索。
1、Unit 4Wildlife protectionLearningaboutlanguage1._farawayinspaceortime2._togodowntoalowerlevel3._abletocontrolevents4._todosomethingtomakeachange5._tounderstandhowseriousasituationisDiscovering useful words and expressionsdistant decrease powerful affectappreciate1Findthewordorexpressionforeachofthef
2、ollowingmeaningsfromthetext.6._torunafteranimalsinordertokillorcatchthem7._tokeepsomeoneorsomethingsafefromharm8._todosomethingasareactiontosomethingdoneorsaid9._feelingofcomfortwhensomethingworryinghasendedornothappenedhuntprotectfrom respondrelief WendyLeewasafamousphotographerandalwaysphotographe
3、d_animalsintheirnaturalhabitat.Onedayshedrovehercarintothelocalgame_asusualto_forsomeanimalstophotograph.wildreservehuntprotectfromwildreservepowerfulappreciatehuntreliefspecies2 Complete the passage.Afterawhileshesawsomezebrawithblackandwhitelinesgoingbeneaththeirstomachs.“Thismustbeaspecial_ofzebr
4、a,”thoughtWendy.“Iveneverseenonelikethisbefore.”Suddenlythezebralookedupandmovedawayasquicklyastheycould.Wendylookedaroundandsawa_lioninthegrass.speciespowerfulShe_thedanger,soshesoundedherhornloudlyuntilthelionturnedandwalkedaway.Wendywaitedforseveralminutestomakesurethelionwasnotcomingback.Thenshe
5、gaveasmileof_.Butsoonhersmiledisappearedbecausesherealizedthatin_thezebra_thelionshehadlostherbestchanceoftakingsomeamazingphotographs!appreciated relief protectingfrom3.Find the words that are related to wildlife protection.habitat protection zonereserve animal park nature parksafari parkEndangered
6、 species:South China tigerPanda Tropical rainforest wildlifeMilu deer Tibetan antelopeAfrican elephantsWildlife protectionPlaces Situation die out extinction appreciate the importancePay attention to wildlife protection punish the hunters in relief in peace decrease decline threaten protect from Pro
7、tection increase loss endanger hunted killed threatened do harm to affect situationSusaniscookingdinner.DinnerisbeingcookedbySusan.active voicepassive voiceTheyaredesigningthecar.Thecarisbeingdesigned.Youareusingourfurtomakesweaters.Ourfurisbeingusedtomakesweaters.Anexcitedelephantiswatchingher.Shei
8、sbeingwatchedbyanexcitedelephant.一般现在时：一般现在时：am/is/are+p.p一般过去时：一般过去时：was/were+p.p现在进行时：现在进行时：am/is/arebeing+p.p过去进行时：过去进行时：was/werebeing+p.p现在完成时：现在完成时：have/hasbeen+p.p过去完成时：过去完成时：hadbeen+p.p一般将来时：一般将来时：will/shallbe+p.pGrammar现在进行时的被动语态现在进行时的被动语态Thepresentcontinuouspassivevoice表示表示“某人某人/事此时此刻正在被事此时
9、此刻正在被”,主语是动作的承受者主语是动作的承受者,表示说话时表示说话时或现阶段某个被动的动作正在进行。或现阶段某个被动的动作正在进行。Look!Thechildrenarebeingtakencareofbytheiraunt.瞧瞧!孩子们现在正由姑母照看着。孩子们现在正由姑母照看着。(指现在的情况指现在的情况)Childrenaretakengoodcareofatschool.孩子们在学校被照看得很好。孩子们在学校被照看得很好。(指通常的情况指通常的情况)谓语动词的形式为谓语动词的形式为“is/are/am+being+过去分词过去分词”。如果去掉。如果去掉being,就成为一般就成为一
10、般现在时被动语态或系表结构。试比较下列句子现在时被动语态或系表结构。试比较下列句子:Thereportisbeingwrittenbyoneofthebeststudents.报告正在由一个最好的学生写着。报告正在由一个最好的学生写着。Thereportiswellwritten.报告写得很好。报告写得很好。(系表结构系表结构)1.肯定形式肯定形式：am/is/arebeing过去分词过去分词Thehouseisbeingpainted.房子正在被粉刷。房子正在被粉刷。2.否定形式否定形式:am/is/arenotbeing过去分词过去分词Thetreesarenotbeingwatered.
11、3.疑问形式疑问形式:Am/Is/Are主语主语being过去分词？过去分词？AmIbeingwatchedover?4.特殊疑问句的形式特殊疑问句的形式:把特殊疑问词放在把特殊疑问词放在一般疑问句前面。一般疑问句前面。Howmanybridgesarebeingbuiltinthevillage?“三变三变”:原句主语变为原句主语变为by短语短语宾语变为主语宾语变为主语谓语由主动变为被动谓语由主动变为被动“三不变三不变”:原句意思不变原句意思不变原句时态不变原句时态不变原句主谓宾以外成分不变。原句主谓宾以外成分不变。Theyarebuildingnineparks.Nineparksareb
12、eingbuiltbythem.Howmanyparksarebeingbuilt?主主动动语语态态变变被被动动语语态态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.表示现在正在进行的被动动作。表示现在正在进行的被动动作。eg:Maryisbeinginterviewednow.Mycarisbeingrepairednow.Thediseaseisbeingstudiedatpresentbyscientist.Thehabitatofthepandaisbeingstudiedatpresent.现在正在研究熊猫的现在正在研究熊猫的生活环境。生活环境。Rainforests
13、arebeingcutandburnedatsuchaspeedthattheywilldisappearfromtheearthinthenearfuture.热带雨林被砍、烧得这么快热带雨林被砍、烧得这么快,他们将在不久的他们将在不久的将来从地球上消失。将来从地球上消失。Manyinterestingexperimentsarebeingcarriedoutthesedays.最近正在进行许多有趣的实验。最近正在进行许多有趣的实验。2.少数及物动词的进行时表示按计划、少数及物动词的进行时表示按计划、安排将要承受某个动作。如安排将要承受某个动作。如:Anpartyisbeingheldton
14、ight.今晚将要举办一场晚会。今晚将要举办一场晚会。Afolksongisbeingsungnext.下面将唱一首民歌。下面将唱一首民歌。ItissaidthataplaneisbeingflownbyhimtoAmericaateightnextSundaymorning.据说下周日早上八点他将开飞机去美国。据说下周日早上八点他将开飞机去美国。3.没有进行时的被动语态没有进行时的被动语态一些表示状态、心理活动、拥有、存在等的一些表示状态、心理活动、拥有、存在等的动词动词(和主动语态一样和主动语态一样)一般不用进行时被动一般不用进行时被动语态语态,常用一般现在时被动语态表示此时此刻常用一般现
15、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。如或目前主语承受谓语动词的动作。如:小王小王,过来过来,有你的电话。有你的电话。【误误】XiaoWang,comehere.Youarebeingwantedonthephone.【正正】XiaoWang,comehere.Youarewantedonthephone.足球现在越来越流行了足球现在越来越流行了,换句话说换句话说,它被越来它被越来越多的人喜爱。越多的人喜爱。【误误】Footballisbecomingmoreandmorepopular.Inotherwords,itisbeinglovedbymoreandmorepeopl
16、e.【正正】Footballisbecomingmoreandmorepopular.Inotherwords,itislovedbymoreandmorepeople.4.其他形式表示被动结构其他形式表示被动结构“be+under/in等等介词介词+名词名词”结构可代替进行时被动语态。如结构可代替进行时被动语态。如:Thecityisunderattack(isbeingattacked)atthemoment.目前这个城市正受到进攻。目前这个城市正受到进攻。Thebridgeisunderrepair/construction(=isbeingrepaired/constructed).桥梁正在修理中桥梁正在修理中/建筑中。建筑中。Theproblemisunderdiscussion(=isbeingdiscussed)atthemeeting.问题正在会上讨论。问题正在会上讨论。Thetelephoneisinuse(=isbeingused)now.电话正在使用中。电话正在使用中。1.Anewcinema_here.Theyhopetofinishitnextmonth.A.
