新教材高一人教英语必修第2册课件UNIT2WILDLIFEPROTECTIONSectionⅡ

UNIT2

WILDLIFEPROTECTIONSectionⅡ

DiscoveringUsefulStructures夯基提能作业单元语法精析单元语法精析语法点拨一、现在进行时的被动语态的基本结构现在进行时的被动语态肯定结构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特殊疑问结构疑问词＋be(am/is/are)＋主语＋beingdoneAnewlibraryisbeingbuiltnow.一座新图书馆正在被修建。Somedisabledchildrenarenotbeinglookedafterwellenough.目前一些残疾儿童没有受到足够好的照顾。Isthebridgebeingrepairednow?现在那座桥在修吗？Whatisbeingdoneonthenewmedicine?目前正在针对这种新药物做什么？Howmanybridgesarebeingbuiltinthetown?在这个镇里在建的桥有多少？主动语态变被动语态的原则“三变”原则：原主变为by短语，原宾变为现主语；谓语主动变被动“三不变”原则：原句意思不变；原句时态不变；原句主谓宾以外成分不变。单句语法填空①Thegrammarwhich___________________(learn)nowiseasytomaster.②Someanimals______________________(protect)wellenoughnow.③Thesportsmeeting________________(hold)inourschoolatpresent.④(2018·天津高考)Mywashingmachine____________________(repair)thisweek,soIhavetowashmyclothesbyhand.isbeinglearned

arebeingprotected

isbeingheld

isbeingrepaired

二、现在进行时的被动语态的基本用法1．表示正在进行或发生的被动动作，常与now，look等词连用。Sheisbeingexaminedbythedoctornow.现在她正在被医生检查。2．表示现阶段或目前这段时间正在进行的被动动作，但这一被动动作在此时不一定正在发生。Thelifeofthepandaisbeingstudiedatpresent.现在正在研究大熊猫的生活习性。3．表示按计划、安排主语将要承受某个动作。Somerockmusicisbeingplayedbythemnext.下面将由他们演奏一些摇滚音乐。4．表示一种经常性或习惯性的被动行为，常与always，forever，continually，constantly等词连用，往往带有赞扬、责备、厌烦及埋怨等感情色彩。Tomisalwaysbeingpraisedbytheteacher.汤姆总是受到老师的表扬。单句语法填空①(江苏高考)Nowsimilarconcerns___________________(raise)bythegiantsthatdealindata,theoilofthedigitalage.②Look!She______________________(criticize)bytheteacherintheoffice.③Themiludeer_______________________(study)attheresearchcentrethesedays.④Amanhasbeenarrestedand_____________________(question)now.arebeingraised

isbeingcriticized

is/arebeingstudied

isbeingquestioned

三、使用现在进行时的被动语态应注意的问题1．在现在进行时的被动语态中，be(am/is/are)为第一助动词，being为第二助动词，缺一不可，且位置不可互换。Mycomputerisbeingrepairednow.我的电脑现在正在被修理。(强调正在被进行)2．像takecareof，lookafter，talkabout，thinkof等动词与介词构成的短语动词用于现在进行时的被动语态时，其中的介词不可省略。Somethingisbeingtalkedaboutamongthosepeople.那些人正谈论着某件事情。3．“be(am/is/are)＋under/in＋n.”有时可相当于现在进行时的被动语态。Theschoolisstillunderconstructionnow.＝Theschoolisbeingbuiltnow.学校现在正在建设中。Thenewlawisinuse.＝Thenewlawisbeingused.这项新法律正被使用。4．有些动词进行时的主动形式就可以表示被动的意思，常见的这些动词有：print，cook，fry，bake，burn，hang等。Thehouseisburning.房子着火了。Themeatiscooking.正在煮肉。5．有些表“状态、心理活动、情感”等的动词，常用一般现在时的被动语态表示“正在进行”。Youarewantedonthephone.有人打电话找你。MP3isbecomingmoreandmorepopular.Inotherwords,itislovedbymoreandmorepeople.MP3越来越受欢迎，换句话说，它越来越受人们的喜爱。完成句子①Ourchild________________________byhisteacher.我们的孩子正由他的老师照顾着。②Thepooroldman____________________________bythevolunteer.那位可怜的老人正由这名志愿者悉心照顾着。③Jack,comehere.You_____________onthephone.杰克，过来，有人打电话找你。isbeinglookedafter

isbeingtakengoodcareof

arewanted

④Thecity_____________________________________atthemoment.这个城市目前正在遭受袭击。⑤Thebuilding_____________________________________________.这座建筑正在建设之中。isunderattack(isbeingattacked)

isunderconstruction(isbeingconstructed)

专项练习Ⅰ.用所给词的适当形式填空1．Theyarelivingwiththeirparentsforthemomentbecausetheirownhouse___________________(rebuild)．2．Manyinterestingexperiments____________________(carry)outthesedays.3．Thesechildren___________________(look)afterbyanoldmannow.4．Waitaminute.Thedishesforthedinner______________(cook)inthekitchen.isbeingrebuilt

arebeingcarried

arebeinglooked

arecooking

5．He____________________(punish)forhismistakesatthemoment.6．Thesportsmeeting________________(hold)inourschoolnow.7．Somanythings________________(do)heretopreventairpollution.8．Abridge_________________(build)inthedistanceanditsconstruction___________________(finish)inayear.isbeingpunished

isbeingheld

arebeingdone

isbeingbuilt

willbefinished

Ⅱ.把下面的句子改成被动语态1．Thegovernmentismakinggreateffortstoimprovethelivingconditionsofpeople.→Greatefforts_________________toimprovethelivingconditionsofpeoplebythegovernment.2．Thefarmersarecuttingdownthejunglesinthisareasoquicklythatthewildanimalsmaylosetheirhomesinthenearfuture.→Thejunglesinthisarea_____________________bythefarmerssoquicklythatthewildanimalsmaylosetheirhomesinthenearfuture.arebeingmade

arebeingcutdown

3．Peoplearehuntingtoomanyanimalstheseyearsinsomeplaces.→Toomanyanimals___________________bypeopletheseyearsinsomeplaces.4．Theteacheriscorrectingthepapersinheroffice.→Thepapers______________________bytheteacherinheroffice.5．Ourheadmasterispreparingaspeechnow.→Aspeech____________________byourheadmasternow.6．Thefamilyarebuildinganewhouseoverthere.→Anewhouse_________________bythefamilyoverthere.arebeinghunted

arebeingcorrected

isbeingprepared

isbeingbuilt

7．Thedoctorsareoperatingonhisleftleg.→Hisleftleg_______________________bythedoctors.8．Thefarmersareharvestingcropsinthefieldwiththeirfacescoveredwithsweat.→Thecropsinthefield______________________bythefarmerswiththeirfacescoveredwithsweat.isbeingoperatedon

arebeingharvested

9．Theyarediscussingwhethertheywillgoforapicnictomorrow.→Whethertheywillgoforapicnictomorrow_____________________bythem.10．Thegovernmentisprotectingthetigersinthenewly－builtreserve.→Thetigers______________________inthenewly－builtreservebythegovernment.isbeingdiscussed

arebeingprotected

Ⅲ.语法主题应用DearSirorMadam，I’mwritingtogivesomesuggestionstoprotectthewildlifelivinginandaroundourcity.Asweknow,manyspeciesofwildlifeareindangerofextinction.Thisisbecausetheenvironmentthattheyarelivingin1．_____________________(正在被毁坏)greatly.With