Unit+2+Wildlife+Protection+Discovering+useful+structures+【知識精研+能力提升】高中英語人教版2019+必修第二冊

Unit2WildlifeprotectionThePresentContinuousPassiveVoice現(xiàn)在進行時的被動語態(tài)

Lead-inAnenemyhasbeenslain.(一名敵人已經(jīng)被擊殺)Youhaveslainanenemy.（你已經(jīng)擊殺了一名敵人）Anallyhasbeenslain.(一名隊友已經(jīng)被擊殺)Whatdoyouknowaboutthepassivevoice（被動語態(tài)）?1.Peoplehunt

Africanelephants.Africanelephants___________bypeople.2.PeoplehuntedAfricanelephants.Africanelephants_____________bypeople.3.PeoplearehuntingAfricanelephants.

Africanelephants________________bypeople.

arehuntedwerehuntedarebeinghuntedLead-in主動語態(tài)變被動語態(tài)的原則“三變”例：Theyarebuildingnineparks.原句主語變?yōu)閎y短語賓語變?yōu)橹髡Z謂語由主動變?yōu)楸粍印叭蛔儭痹湟馑疾蛔冊鋾r態(tài)不變原句主謂賓以外成分不變Nineparks________________bythem.Howmanyparks_________________?arebeingbuiltarebeingbuiltUnderlinethepresentcontinuouspassivevoiceinthesentencesanddiscussitsfunctions.Africanelephantsarebeinghunted.Whatisbeingdonetohelpthem?Whatmeasuresarebeingtakentohelpthem?Identifyingam/is/arebeingdone（時態(tài)和語態(tài)結(jié)合，先體現(xiàn)時態(tài)，后體現(xiàn)語態(tài)）現(xiàn)在進行時：am/is/are+V-ing被動語態(tài)：

be+done(V過去分詞)現(xiàn)在進行時的被動語態(tài)：主語+

am/is/are+being+done+(by…)表進行表被動現(xiàn)在進行時的被動語態(tài)

結(jié)構(gòu)

句型轉(zhuǎn)換Theyarebuildingamodernschoolinhishometown．①Amodernschool__________________inhishometown.(改為被動語態(tài))②Amodernschool__________________inhishometown.(把句①改為否定句)③___________________________inhishometown？(把句①改為一般疑問句)④_________________________________(對句①就inhishometown進行提問)Whereisamodernschoolbeingbuilt？Isamodernschoolbeingbuiltisn’tbeingbuiltisbeingbuilt現(xiàn)在進行時的被動語態(tài)的形式Basicusage基本用法1.表示此刻正被進行的動作，句中常用now,

rightnow,

look,atpresent,atthemoment等時間狀語連用。Heisbeingexaminedbythedoctornow.Look!Thechildrenarebeingcaredofbytheiraunt.看！孩子們正由他們姑媽照顧。她現(xiàn)在正在接受醫(yī)生的檢查。Basicusage基本用法2.表示現(xiàn)階段正被進行的動作。Anewfactoryisbeingbuilt.一座新的工廠正在建設(shè)中。These

animals

are

being

hunted

at

such

a

speed

that

theywill

disappear

soon.這些動物正以如此快的速度被獵殺，以至于它們很快就會消失。Basicusage基本用法3.表示一種習慣性的被動動作，常與______________________________等詞連用，表示有贊賞、羨慕、討厭等感情色彩。often,

always,

frequently,

constantlyTomisalwaysbeingpraisedbytheteacher.Tom總是被老師表揚。He

is

oftenbeingadmiredbyothergirls.他經(jīng)常被別的女孩子傾慕。

4.現(xiàn)在進行時的被動語態(tài)也可以表示將來。A

folk

songisbeingsungnext.

Apartyisbeingheldtonight.現(xiàn)在進行時的被動語態(tài)有時可表示按計劃或安排將要進行的一個被動動作(此種用法僅限于少數(shù)及物動詞,如:hold,take等)。Basicusage基本用法今晚將要舉行一場晚會。。下面將唱一首民歌。1.不可遺漏being試比較：

Thereportisbeingwrittenbythebeststudent.

Thereportiswrittenbythebeststudent.

2.不可遺漏介詞takecareof，lookafter，talkabout，thinkof等動詞短語用于現(xiàn)在進行時的被動語態(tài)時，其中的介詞不可省略。Look！Thechildrenarebeingtakencareofbytheiraunt.

瞧！那些孩子正由他們的姨媽照看著。Thewaystostopillegallyhuntingarebeingtalkedabout.阻止非法捕獵的方法正在研討中。

使用現(xiàn)在進行時的被動語態(tài)應(yīng)注意的問題pastReviewfuturepresent一般過去時過去進行時一般現(xiàn)在時現(xiàn)在進行時一般將來時現(xiàn)在完成時過去完成時will/begoingtodo現(xiàn)在完成進行時am/is/are或?qū)嵙x動詞原型或三單+sam/is/aredoinghave/hasdonehave/hasbeendoingwas/were或?qū)嵙x動詞過去式was/weredoinghaddonepasttensefuturepresent一般過去時過去進行時一般現(xiàn)在時現(xiàn)在進行時一般將來時現(xiàn)在完成時過去完成時will/shallbe/do現(xiàn)在完成進行時am/is/are

或?qū)嵙x動詞原型或三單+sam/is/aredoinghave/hasdonehave/hasbeendoingwas/were或?qū)嵙x動詞過去式was/weredoinghaddonepassivevoicewill/shallbedoneam/is/aredoneam/is/arebeingdonehave/hasbeendonehave/hasbeenbeingdonewas/weredonewas/werebeingdonehadbeendoneChoosethesuitableverbformstocompletethesentences.1.I’m(working/beingworked)athometodaybecausemyofficeis(painted/beingpainted).2.Thealarmingreportis(written/beingwritten).Itwillbefinishedsoon.3.Whatpartofthecityis(attacked/beingattacked)now?4.Rightnow,thedeerare(watched/beingwatched)overbymanyvolunteers.5.Whois(hunting/beinghunted)thekangaroos?Wherearethey(hunted/beinghunted)?6.Itisreportedthatlivingspacesforwildlifeare(reduced/beingreduced)duetothecuttingoftrees.P18LiuTaowouldliketoexpresshisconcernoverthewetlandinhishometown.Helphimfinishthepassagewiththepresentcontinuouspassivevoiceoftheverbsinbrackets.Inthewetlandofmyhometown,therearemanydifferentkindsofanimals,includingwildbirds,fish,snakes,insectsandsoon.WhenIwasinprimaryschool,Ioftenwenttherewithmyfriendstowatchthebirdsandstudythem.Thatwasaninterestingplaceforallofus.Butthingshavebeguntochangeinrecentyears.Smallbirds

(catch)withnets.Wildducks

(sell)atfoodmarkets.Fishandsnakes

(kill)forfoodinrestaurants.Andevenworse,thewetland

(destroy).Someparts

(cover)withnewhouses.Youcanseerubbisheverywhere.Thewetland

(pollute)seriouslyeveryday.Iamveryworriedaboutit.Whatcanwedo?arebeingcaughtarebeingsoldarebeingisbeingdestroyedarebeingcoveredisbeingpollutedkilledCompletethesentenceswiththecorrectformsofthegivenverbs.1.Anewlibrary

(build)inourschool.Itwillopennextyear.2.Conversationsprogrammesforwildanimals

(discuss)inAustralianow.3.What

(do)inyourtowntoprotectlocalwildlife?4.Don’tworry.Measures

(take)tostopsuchathingfromhappeningagain.5.I

(tell)thatmyIDcardandpasswordareworking.WhatshouldIdonow?6.Mum,mycomputer

(fix).CanIuseyoursforawhile?7.Itisbelievedthatmanyplantspecies

(threaten)withextinction.isbeingbuiltarebeingdiscussedisbeingdonearebeingtakenambeingtoldisbeingfixedarebeingthreatenedPractice！單句語法填空1．Yourexperimentreport______________(type)nowanditwillbefinishedsoon.2．Manyinterestingexperiments_____________(do)thesedays.3．I________________(treat)atthehospitalnow，soIcannotgotothecinemaatpresent.4．I'msorry，sir.

Yourrecorderisn'treadyyet.

It________________(repair)inthefactory.5．Theyarelivingwiththeirparentsforthemomentbecausetheirownhouse_______________(rebuild)．a(chǎn)mbeingtreatedisbeingtypedarebeingdoneisbeingrepairedisbeingrebuilt單句語法填空6．Waitaminute.Thedishesforthedinner_______________(cook)inthekitchen.7．Somanythings_____________(do)heretopreventairpollutionnow.8．Abridge

(build)inthedistanceanditsconstructionwillbefinishedinayear.9．Thesechildren

(look)afterbyanoldmannow.10．Thecamerathat

(use)byhimnowbelongstome.arebeingdonearebeingcookedisbeingbuiltarebeinglookedisbeingused[過基礎(chǔ)知識鞏固]維度一單句語法填空1．Atthemoment,alotofactivities__________________(hold)onlinetocelebratetheNewYear.2．Youcan'tusethemachinetodaybecausesomeparts__________________(replace)thisweek.3．Ihavetogoworkbytaxibecausemycar______________(repair)atthegarage.are

being

heldare

being

replacedis

being

repaired4．Atpresent,lotsoffood,water,tentsandmedicine__________________(transport)fromalloverthecountrytothefloodedarea.5．AlectureonhowtolearnEnglish__________________(give)byProfessorWangfromShandongUniversitynow.

6．Somewildanimalsareindangernowbecausetheirhabitats__________________(destroy).7．TheAmazonRainforest__________________(destroy)atanalarmingrateandwehumansreallyneedtoworktogethertoprotectitrightnow.are

being

transportedis

being

givenare

being

destroyedis

being

destroyed8．Atpresentanewbridge__________________(build)acrosstheriverandwillbecompletednextmonth.9．Itisreportedthatmanyanewhouse__________________(build)atpresentintheflood-strickenarea.10．Withmoreandmoreforestsbeingdestroyed,quantitiesofgoodearth__________________(wash)awayeachyear.is

being

builtis

being

builtare

being

washed維度二語法與寫作1．最近正在制訂勘探南極的計劃。TheplantoexploretheSouthPole____________thesedays.2．我們都知道我們的產(chǎn)品正受到進口產(chǎn)品的威脅。Weallknowthatourproducts__________________byimportedgoodsatpresent.3