新教材高一人教英語必修第2冊課件UNIT2WILDLIFEPROTECTIONSectionⅡ

UNIT2

WILDLIFEPROTECTIONSectionⅡ

DiscoveringUsefulStructures夯基提能作業(yè)單元語法精析單元語法精析語法點(diǎn)撥一、現(xiàn)在進(jìn)行時的被動語態(tài)的基本結(jié)構(gòu)現(xiàn)在進(jìn)行時的被動語態(tài)肯定結(jié)構(gòu)be(am/is/are)beingdone否定結(jié)構(gòu)be(am/is/are)＋not＋beingdone一般疑問結(jié)構(gòu)be(am/is/are)＋主語＋beingdone特殊疑問結(jié)構(gòu)疑問詞＋be(am/is/are)＋主語＋beingdoneAnewlibraryisbeingbuiltnow.一座新圖書館正在被修建。Somedisabledchildrenarenotbeinglookedafterwellenough.目前一些殘疾兒童沒有受到足夠好的照顧。Isthebridgebeingrepairednow?現(xiàn)在那座橋在修嗎？Whatisbeingdoneonthenewmedicine?目前正在針對這種新藥物做什么？Howmanybridgesarebeingbuiltinthetown?在這個鎮(zhèn)里在建的橋有多少？主動語態(tài)變被動語態(tài)的原則“三變”原則：原主變?yōu)閎y短語，原賓變?yōu)楝F(xiàn)主語；謂語主動變被動“三不變”原則：原句意思不變；原句時態(tài)不變；原句主謂賓以外成分不變。單句語法填空①Thegrammarwhich___________________(learn)nowiseasytomaster.②Someanimals______________________(protect)wellenoughnow.③Thesportsmeeting________________(hold)inourschoolatpresent.④(2018·天津高考)Mywashingmachine____________________(repair)thisweek,soIhavetowashmyclothesbyhand.isbeinglearned

arebeingprotected

isbeingheld

isbeingrepaired

二、現(xiàn)在進(jìn)行時的被動語態(tài)的基本用法1．表示正在進(jìn)行或發(fā)生的被動動作，常與now，look等詞連用。Sheisbeingexaminedbythedoctornow.現(xiàn)在她正在被醫(yī)生檢查。2．表示現(xiàn)階段或目前這段時間正在進(jìn)行的被動動作，但這一被動動作在此時不一定正在發(fā)生。Thelifeofthepandaisbeingstudiedatpresent.現(xiàn)在正在研究大熊貓的生活習(xí)性。3．表示按計(jì)劃、安排主語將要承受某個動作。Somerockmusicisbeingplayedbythemnext.下面將由他們演奏一些搖滾音樂。4．表示一種經(jīng)常性或習(xí)慣性的被動行為，常與always，forever，continually，constantly等詞連用，往往帶有贊揚(yáng)、責(zé)備、厭煩及埋怨等感情色彩。Tomisalwaysbeingpraisedbytheteacher.湯姆總是受到老師的表揚(yáng)。單句語法填空①(江蘇高考)Nowsimilarconcerns___________________(raise)bythegiantsthatdealindata,theoilofthedigitalage.②Look!She______________________(criticize)bytheteacherintheoffice.③Themiludeer_______________________(study)attheresearchcentrethesedays.④Amanhasbeenarrestedand_____________________(question)now.arebeingraised

isbeingcriticized

is/arebeingstudied

isbeingquestioned

三、使用現(xiàn)在進(jìn)行時的被動語態(tài)應(yīng)注意的問題1．在現(xiàn)在進(jìn)行時的被動語態(tài)中，be(am/is/are)為第一助動詞，being為第二助動詞，缺一不可，且位置不可互換。Mycomputerisbeingrepairednow.我的電腦現(xiàn)在正在被修理。(強(qiáng)調(diào)正在被進(jìn)行)2．像takecareof，lookafter，talkabout，thinkof等動詞與介詞構(gòu)成的短語動詞用于現(xiàn)在進(jìn)行時的被動語態(tài)時，其中的介詞不可省略。Somethingisbeingtalkedaboutamongthosepeople.那些人正談?wù)撝臣虑椤?．“be(am/is/are)＋under/in＋n.”有時可相當(dāng)于現(xiàn)在進(jìn)行時的被動語態(tài)。Theschoolisstillunderconstructionnow.＝Theschoolisbeingbuiltnow.學(xué)?，F(xiàn)在正在建設(shè)中。Thenewlawisinuse.＝Thenewlawisbeingused.這項(xiàng)新法律正被使用。4．有些動詞進(jìn)行時的主動形式就可以表示被動的意思，常見的這些動詞有：print，cook，fry，bake，burn，hang等。Thehouseisburning.房子著火了。Themeatiscooking.正在煮肉。5．有些表“狀態(tài)、心理活動、情感”等的動詞，常用一般現(xiàn)在時的被動語態(tài)表示“正在進(jìn)行”。Youarewantedonthephone.有人打電話找你。MP3isbecomingmoreandmorepopular.Inotherwords,itislovedbymoreandmorepeople.MP3越來越受歡迎，換句話說，它越來越受人們的喜愛。完成句子①Ourchild________________________byhisteacher.我們的孩子正由他的老師照顧著。②Thepooroldman____________________________bythevolunteer.那位可憐的老人正由這名志愿者悉心照顧著。③Jack,comehere.You_____________onthephone.杰克，過來，有人打電話找你。isbeinglookedafter

isbeingtakengoodcareof

arewanted

④Thecity_____________________________________atthemoment.這個城市目前正在遭受襲擊。⑤Thebuilding_____________________________________________.這座建筑正在建設(shè)之中。isunderattack(isbeingattacked)

isunderconstruction(isbeingconstructed)

專項(xiàng)練習(xí)Ⅰ.用所給詞的適當(dāng)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動語態(tài)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.語法主題應(yīng)用DearSirorMadam，I’mwritingtogivesomesuggestionstoprotectthewildlifelivinginandaroundourcity.Asweknow,manyspeciesofwildlifeareindangerofextinction.Thisisbecausetheenvironmentthattheyarelivingin1．_____________________(正在被毀壞)greatly.With