新人教版英語第二冊UNIT-2-Discovering-Useful-Structures課件

人教版必修第二冊Period3DiscoveringUsefulStructureThePresentContinuousPassiveVoiceUnit2WildlifeProtection人教版必修第二冊Period3DiscoveringU1Learntoknowthestructureofpresentcontinuouspassivevoice.Learntousepresentcontinuouspassivevoicetodescribetheongoingevents.Learntousepresentcontinuouspassivevoicetodescribetheendangeredanimals’conditionsandmeasurestakentohelpthem.Learntoknowthestructureof2Haveyoustillrememberedthestructureofpresentcontinuoustense?Haveyoustillrememberedtheuseofpresentcontinuoustense?Haveyoustillrememberedthe3LearntoknowthestructureofpresentcontinuouspassivevoiceLearntoknowthestructureof4課本18頁第1題Underlinethepresentcontinuouspassivevoiceinthesentencesanddiscussitsfunction.Africanelephantsarebeinghunted.Whatisbeingdonetohelpthem?Whatmeasuresarebeingtakentohelpthem?am/is/are+being+P.P課本18頁第1題Underlinethepresent5Findmoresentenceswiththesameverbforminthisunit.Theyarebeinghunted,illegally,fortheirvaluablefur.Muchisbeingdonetoprotectwildlife.Findmoresentenceswiththes6theuseofpresentcontinuouspassivevoicePresentcontinuouspassivevoiceisusedinthesameconditionswherepresentcontinuoustenseisused.Butitexpressapassivevoice.theuseofpresentcontinuous7Theyarebeinghunted,illegally,fortheirvaluablefur.PeoplearehuntingTibetanantelopes,illegally,fortheirvaluablefur.Thetwosentencesaretellingthesamethingbutintwodifferentways.Theyarebeinghunted,illegal8Summary現(xiàn)在進(jìn)行時的被動語態(tài)1.定義

表示“某人/事此時此刻正在被…”，主語是動作的承受者,表示說話時或現(xiàn)階段某個被動的動作正在進(jìn)行。PresentContinuousPassiveVoiceSummary現(xiàn)在進(jìn)行時的被動語態(tài)1.定義表示“某人/事9egThemanisbeingquestionedbythepolicenow.Measuresarebeingtakentoprotectthoseendangeredanimals.AmIbeingtakenforaride?egThemanisbeingquestione102.句型

1）肯定形式：am/is/are＋being＋過去分詞Thehouseisbeingpainted.2）否定形式:am/is/are＋not＋being＋過去分詞Thetreesarenotbeingwatered.3）疑問形式:Am/Is/Are＋主語＋being＋過去分詞？AmIbeingwatchedover?4）特殊疑問句的形式:把特殊疑問詞放在一般疑問句前面。Howmanybridgesarebeingbuiltinthevillage?2.句型1）肯定形式：am/is/are＋being＋過11主語+am/is/are+being+done…1.肯定式2.否定式1.SheisbeingtreatedinChinanow.2.Mycomputerisbeingrepairednow.我的電腦正在修理中。notnotnot主語+am/is/are+being+12Am/Is/Are+主語+being+done…3.一般疑問式e.g:1.ArethesebooksbeingsenttoBeijing？2.___________________________?

Isthewallbeingpainted4.特殊疑問式疑問詞WhenHowWhereWhyWhatAm/Is/Are+主語+bei133.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____________?arebeingbuiltarebeingbuilt3.主動語態(tài)變被動語態(tài)的原則“三變”例：Theyare14PlaygamesWhataretheydoingnow?Ahouseisbeingbuiltbytheworkers.Theworkersarebuildingahouse.PlaygamesWhataretheydoing15Theworkersarebuildingthehouse.theworkers.Whataretheworkersdoing？Thehouseisbeingbuiltby主語謂語賓語Theworkersarebuildingthehouse賓語主語

謂語變被動（時態(tài)不變）

be+being+done+byTheworkersarebuildingtheh16SomeoneishuntingAfricanelephant.someone.Africanelephantisbeinghuntedby主語謂語賓語SomeoneishuntingAfricanelephant賓語主語

謂語變被動（時態(tài)不變）

be+being+done+by()SomeoneishuntingAfricanele17TheyarehuntingTibetanantelopes.them.Tibetanantelopesarebeinghuntedby主語謂語TheyarehuntingTibetanantelopes賓語主語

謂語變被動（時態(tài)不變）

be+being+done+by賓語()TheyarehuntingTibetanante18PandasarebeingprotectedinWolongNaturalReserve.Pandasarebeingprotectedin19

結(jié)構(gòu)：_________________am/is/arebeing+doneAbasketballisbeingplayedbyMiki.Abookisbeingreadbythegirl.Ourfurisbeingusedtomakesweatersforpeoplelikeyou.……小結(jié)：PresentProgressivePassiveVoice

現(xiàn)在進(jìn)行時的被動語態(tài)結(jié)構(gòu)：_________________am/is/20WhendoweusethePresentProgressivePassiveVoice?Whendoweusethe21WHEN①表示說話時正在進(jìn)行的被動動作.(now,atthemoment)ActionsarebeingtakentorealizeChineseDream.WHEN①表示說話時正在進(jìn)行的被動動作.(now,att22②表示現(xiàn)階段正在進(jìn)行的被動動作.

(說話時不一定在進(jìn)行)

Theproblemoffoodsafetyisbeingstudiedbyscientistsatpresent.②表示現(xiàn)階段正在進(jìn)行的被動動作.

(說話時不一定在進(jìn)23③表示一種習(xí)慣的被動行為(always,constantly),帶有贊揚(yáng)、羨慕、討厭等感情色彩。Childrenofourneighborsarealwaysbeingpraisedbyourparents.③表示一種習(xí)慣的被動行為(always,constantl24④與某些情態(tài)動詞連用表示對正在發(fā)生的動作進(jìn)行推測

Asaresultofstayinguplatetalkinglastnight,Jimmymaybebeingscoldedbyhisheadteacher.④與某些情態(tài)動詞連用表示對正在發(fā)生的動作進(jìn)行推測

Asa25【拓展】

現(xiàn)在進(jìn)行時的被動語態(tài)與always,constantly等詞連用時，表示經(jīng)常性的被動動作，此時往往帶有贊賞、厭惡等感情色彩。egRecentlymydaughterisalwaysbeingpraisedbytheteachers.Totheteacher'sanger,thesamemistakesarealwaysbeingmadebyhisstudents.【拓展】

26（1）少數(shù)及物動詞的進(jìn)行時表示按計劃、安

排將要承受某個動作。例：1.今晚將要舉辦一場晚會。

Anparty___________(held)tonight.2.下面將唱一首民歌。A

folk

song___________

(sing)next.

3.據(jù)說下周日早上八點他將開飛機(jī)去。

It

is

saidthataplane___________(flow)

by

him

to

America

at

eight

next

Sunday

morning.

isbeingheldis

being

sungisbeing

flown（1）少數(shù)及物動詞的進(jìn)行時表示按計劃、安例：isbeing27(2)沒有進(jìn)行時的被動語態(tài)一些表示狀態(tài)、心理活動、擁有、存在等的動詞(和主動語態(tài)一樣)一般不用進(jìn)行時被動語態(tài),常用一般現(xiàn)在時被動語態(tài)表示此時此刻或目前主語承受謂語動詞的動作如have，want，need，love，。

【練習(xí)】判斷正誤。小王,過來,有你的電話。Xiao

Wang,

come

here.

You

are

being

wantedon

the

phone.Xiao

Wang,

come

here.

You

are

wanted

on

the

phone.

Withthepopulationincreasing，morelandisneeded.(2)沒有進(jìn)行時的被動語態(tài)一些表示狀態(tài)、心理活動、擁有、存在28(3)表示被動結(jié)構(gòu)“be

+under/

in等介詞+名詞”結(jié)構(gòu)可替換進(jìn)行時被動語態(tài)。

is

being

attacked例：1.目前這個城市正受到進(jìn)攻。The

city

is

under

attack

at

the

moment.

2.橋梁正在建筑中。The

bridge

is

under

construction.

is

being

constructed(3)表示被動結(jié)構(gòu)“be

+under/

in等介詞+名詞”29UsepresentcontinuouspassivevoiceinproperformsUsepresentcontinuouspassive30課本18頁第2題Choosethesuitableverbformstocompletethesentences.1.I’m(working/beingworked)athometodaybecausemyofficeis(painted/beingpainted).2.Thealarmingreportis(written/beingwritten).Itwillbefinishedsoon.3.Whatpartofthecityis(attacked/beingattacked)now?課本18頁第2題Choosethesuitableve314.Rightnow,thedeerare(watched/beingwatched)overbymanyvolunteers.5.Whois(hunting/beinghunted)thekangaroos?Wherearethey(hunted/beinghunted)?6.It’sreportedthatlivingspacesforwildlifeare(reduced/beingreduced)duetothecuttingoftrees.n.

鹿n.

袋鼠vt.

減少4.Rightnow,thedeerare(wa321.Wearedoingmanythingstoprotecttheanimals.Manythingsarebeingdonetoprotecttheanimals.Changethesentencesintotheirpassivevoice.2.WeareseeingtheTibetanantelopesnextweek.TheTibetanantelopesarebeingseennextweek.1.Wearedoingmanythingsto333.WeareobservingtheTibetanantelopesthese

days.TheTibetanantelopesarebeingobservedthesedays.3.WeareobservingtheTibeta34Haveyouvisitedawetland?Haveyouvisitedawetland?35Whatcanyouseeinthewetland?Whatcanyouseeinthewetlan36Whyshouldwesetupthewetland?Whyshouldwesetupthewetla37課本18頁第3題LiuTaowouldliketoexpresshisconcernoverthewetlandinhishometown.Helphimfinishthepassagewiththepresentcontinuouspassivevoiceoftheverbsinbrackets.Inthewetlandofmyhometown,therearemanydifferentkindsofanimals,includingwildbirds,fish,snakes,insectsandsoon.WhenIwasinprimaryschool,Ioftenwenttherewithmyfriendstowatchthebirdsandstudythem.Thatwasaninterestingplaceforallofus.Butthingshavebeguntochangeinrecentyears.n.

昆蟲課本18頁第3題LiuTaowouldliketo38Smallbirds______________(catch)withnets.Wildducks_____________(sell)atfoodmarkets.Fishandsnakes_____________(kill)forfoodinrestaurants.Andevenworse,thewetland_______________(destroy).Someparts______________(cover)withnewhouses.Youcanseerubbisheverywhere.Thewetland_____________(pollute)seriouslyeveryday.Iamveryworriedaboutit.Whatshouldwedo?arebeingcaughtarebeingsoldarebeingkilledisbeingdestroyedarebeingcoveredisbeingpollutedn.

網(wǎng)Smallbirds______________(ca39WhydoesLinTaousepresentcontinuouspassivevoiceinthepassage?Inwhatconditionscanweusepresentcontinuouspassivevoicewhenweareexpressingourideas?WhydoesLinTaousepresentc40Itis

reportedthatlivingspacesforwildlifearebeingreducedduetothecuttingoftrees.reduce

vt.

tomakesomethingsmallerorlessinsize,amount,orprice縮小;減少;降低Itisreportedthatlivingspa41【歸納】reducereduce...(from...)to...把……（從……）減少到……reduce...tosth./doingsth.使……陷入某種狀況/狀態(tài)reduce...by...把……減少……

reducesb.to...降職【歸納】reducereduce...(from...42egMyweightreduceswhenIstopeatingsugar.Itreducestherisksofheartdisease.Thenewbridgeshouldreducetravellingtime(from50minutes)to15minutes.Costsonbookshavebeenreducedby20%overthepastyear.egMyweightreduceswhenIs43【語境應(yīng)用】根據(jù)提示完成句子。1)Thenumberoftheemployees_________________________(被削減了)40%inthelastfivemonths.2)Thepopulationherehas___________________(減少到)fiftythousandnow.3)那個軍官被降職成一名士兵。

Theofficerwasreducedtoasoldier.hasbeenreducedbybeenreducedto【語境應(yīng)用】根據(jù)提示完成句子。44

【歸納】

dueadj.預(yù)定的;到期的

dueto:becauseof

由于；因為

預(yù)期做某事,預(yù)定要做某事

beduetosth./sb.

歸因于某事/某人;欠某人……

bedueforsth.應(yīng)有某物;應(yīng)得到某物

【聯(lián)想】表示“由于,因為”的短語還有:becauseof,asaresultof,thanksto,onaccountof,owingto等?！練w納】45【語境應(yīng)用】單句語法填空。1)Thepolicemansaidtheaccidentlastnightwas_____________driving.

警察說昨晚的事故是由于粗心駕駛造成的。2)Hisnewbook___________________nextyear.

他的新書預(yù)計明年出版。duetocarelessisduetobepublished【語境應(yīng)用】單句語法填空。duetocarelessis46UsepresentcontinuouspassivevoicetodescribewildlifeprotectioninyoursurroundingsUsepresentcontinuouspassive47Ingroups,discussthequestionsbelow.Preparetogiveapresentationofyourideastotheclass.Whatdoyouknowisbeingdoneinyourneighbourhoodtoprotectanimalsandplants?Whatsuggestionsdoyouhave?n.

臨近的地方；街區(qū)Ingroups,discussthequestio48A:Whatisbeingdoneinourneighbourhood

toprotectanimalsandplants?B:Well,theoldtreesintheparkarebeing

protected.A:Ohyes.Theyarebeingprotectednotonly

becausetheyarethenaturalhabitatfor

songbirds.A:Whatisbeingdoneinourn49C:That’sright.Perhapstheycouldhelp

protectthebirdsbymakingtheroads

aroundtheparkfreefromcars.D:Yes,thatwouldcertainlyhelpmakethe

aircleanerforthem…C:That’sright.Perhapsthey50FinishthediscussinActivity4.FinishthediscussinActivity51人教版必修第二冊Period3DiscoveringUsefulStructureThePresentContinuousPassiveVoiceUnit2WildlifeProtection人教版必修第二冊Period3DiscoveringU52Learntoknowthestructureofpresentcontinuouspassivevoice.Learntousepresentcontinuouspassivevoicetodescribetheongoingevents.Learntousepresentcontinuouspassivevoicetodescribetheendangeredanimals’conditionsandmeasurestakentohelpthem.Learntoknowthestructureof53Haveyoustillrememberedthestructureofpresentcontinuoustense?Haveyoustillrememberedtheuseofpresentcontinuoustense?Haveyoustillrememberedthe54LearntoknowthestructureofpresentcontinuouspassivevoiceLearntoknowthestructureof55課本18頁第1題Underlinethepresentcontinuouspassivevoiceinthesentencesanddiscussitsfunction.Africanelephantsarebeinghunted.Whatisbeingdonetohelpthem?Whatmeasuresarebeingtakentohelpthem?am/is/are+being+P.P課本18頁第1題Underlinethepresent56Findmoresentenceswiththesameverbforminthisunit.Theyarebeinghunted,illegally,fortheirvaluablefur.Muchisbeingdonetoprotectwildlife.Findmoresentenceswiththes57theuseofpresentcontinuouspassivevoicePresentcontinuouspassivevoiceisusedinthesameconditionswherepresentcontinuoustenseisused.Butitexpressapassivevoice.theuseofpresentcontinuous58Theyarebeinghunted,illegally,fortheirvaluablefur.PeoplearehuntingTibetanantelopes,illegally,fortheirvaluablefur.Thetwosentencesaretellingthesamethingbutintwodifferentways.Theyarebeinghunted,illegal59Summary現(xiàn)在進(jìn)行時的被動語態(tài)1.定義

表示“某人/事此時此刻正在被…”，主語是動作的承受者,表示說話時或現(xiàn)階段某個被動的動作正在進(jìn)行。PresentContinuousPassiveVoiceSummary現(xiàn)在進(jìn)行時的被動語態(tài)1.定義表示“某人/事60egThemanisbeingquestionedbythepolicenow.Measuresarebeingtakentoprotectthoseendangeredanimals.AmIbeingtakenforaride?egThemanisbeingquestione612.句型

1）肯定形式：am/is/are＋being＋過去分詞Thehouseisbeingpainted.2）否定形式:am/is/are＋not＋being＋過去分詞Thetreesarenotbeingwatered.3）疑問形式:Am/Is/Are＋主語＋being＋過去分詞？AmIbeingwatchedover?4）特殊疑問句的形式:把特殊疑問詞放在一般疑問句前面。Howmanybridgesarebeingbuiltinthevillage?2.句型1）肯定形式：am/is/are＋being＋過62主語+am/is/are+being+done…1.肯定式2.否定式1.SheisbeingtreatedinChinanow.2.Mycomputerisbeingrepairednow.我的電腦正在修理中。notnotnot主語+am/is/are+being+63Am/Is/Are+主語+being+done…3.一般疑問式e.g:1.ArethesebooksbeingsenttoBeijing？2.___________________________?

Isthewallbeingpainted4.特殊疑問式疑問詞WhenHowWhereWhyWhatAm/Is/Are+主語+bei643.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____________?arebeingbuiltarebeingbuilt3.主動語態(tài)變被動語態(tài)的原則“三變”例：Theyare65PlaygamesWhataretheydoingnow?Ahouseisbeingbuiltbytheworkers.Theworkersarebuildingahouse.PlaygamesWhataretheydoing66Theworkersarebuildingthehouse.theworkers.Whataretheworkersdoing？Thehouseisbeingbuiltby主語謂語賓語Theworkersarebuildingthehouse賓語主語

謂語變被動（時態(tài)不變）

be+being+done+byTheworkersarebuildingtheh67SomeoneishuntingAfricanelephant.someone.Africanelephantisbeinghuntedby主語謂語賓語SomeoneishuntingAfricanelephant賓語主語

謂語變被動（時態(tài)不變）

be+being+done+by()SomeoneishuntingAfricanele68TheyarehuntingTibetanantelopes.them.Tibetanantelopesarebeinghuntedby主語謂語TheyarehuntingTibetanantelopes賓語主語

謂語變被動（時態(tài)不變）

be+being+done+by賓語()TheyarehuntingTibetanante69PandasarebeingprotectedinWolongNaturalReserve.Pandasarebeingprotectedin70

結(jié)構(gòu)：_________________am/is/arebeing+doneAbasketballisbeingplayedbyMiki.Abookisbeingreadbythegirl.Ourfurisbeingusedtomakesweatersforpeoplelikeyou.……小結(jié)：PresentProgressivePassiveVoice

現(xiàn)在進(jìn)行時的被動語態(tài)結(jié)構(gòu)：_________________am/is/71WhendoweusethePresentProgressivePassiveVoice?Whendoweusethe72WHEN①表示說話時正在進(jìn)行的被動動作.(now,atthemoment)ActionsarebeingtakentorealizeChineseDream.WHEN①表示說話時正在進(jìn)行的被動動作.(now,att73②表示現(xiàn)階段正在進(jìn)行的被動動作.

(說話時不一定在進(jìn)行)

Theproblemoffoodsafetyisbeingstudiedbyscientistsatpresent.②表示現(xiàn)階段正在進(jìn)行的被動動作.

(說話時不一定在進(jìn)74③表示一種習(xí)慣的被動行為(always,constantly),帶有贊揚(yáng)、羨慕、討厭等感情色彩。Childrenofourneighborsarealwaysbeingpraisedbyourparents.③表示一種習(xí)慣的被動行為(always,constantl75④與某些情態(tài)動詞連用表示對正在發(fā)生的動作進(jìn)行推測

Asaresultofstayinguplatetalkinglastnight,Jimmymaybebeingscoldedbyhisheadteacher.④與某些情態(tài)動詞連用表示對正在發(fā)生的動作進(jìn)行推測

Asa76【拓展】

現(xiàn)在進(jìn)行時的被動語態(tài)與always,constantly等詞連用時，表示經(jīng)常性的被動動作，此時往往帶有贊賞、厭惡等感情色彩。egRecentlymydaughterisalwaysbeingpraisedbytheteachers.Totheteacher'sanger,thesamemistakesarealwaysbeingmadebyhisstudents.【拓展】

77（1）少數(shù)及物動詞的進(jìn)行時表示按計劃、安

排將要承受某個動作。例：1.今晚將要舉辦一場晚會。

Anparty___________(held)tonight.2.下面將唱一首民歌。A

folk

song___________

(sing)next.

3.據(jù)說下周日早上八點他將開飛機(jī)去。

It

is

saidthataplane___________(flow)

by

him

to

America

at

eight

next

Sunday

morning.

isbeingheldis

being

sungisbeing

flown（1）少數(shù)及物動詞的進(jìn)行時表示按計劃、安例：isbeing78(2)沒有進(jìn)行時的被動語態(tài)一些表示狀態(tài)、心理活動、擁有、存在等的動詞(和主動語態(tài)一樣)一般不用進(jìn)行時被動語態(tài),常用一般現(xiàn)在時被動語態(tài)表示此時此刻或目前主語承受謂語動詞的動作如have，want，need，love，。

【練習(xí)】判斷正誤。小王,過來,有你的電話。Xiao

Wang,

come

here.

You

are

being

wantedon

the

phone.Xiao

Wang,

come

here.

You

are

wanted

on

the

phone.

Withthepopulationincreasing，morelandisneeded.(2)沒有進(jìn)行時的被動語態(tài)一些表示狀態(tài)、心理活動、擁有、存在79(3)表示被動結(jié)構(gòu)“be

+under/

in等介詞+名詞”結(jié)構(gòu)可替換進(jìn)行時被動語態(tài)。

is

being

attacked例：1.目前這個城市正受到進(jìn)攻。The

city

is

under

attack

at

the

moment.

2.橋梁正在建筑中。The

bridge

is

under

construction.

is

being

constructed(3)表示被動結(jié)構(gòu)“be

+under/

in等介詞+名詞”80UsepresentcontinuouspassivevoiceinproperformsUsepresentcontinuouspassive81課本18頁第2題Choosethesuitableverbformstocompletethesentences.1.I’m(working/beingworked)athometodaybecausemyofficeis(painted/beingpainted).2.Thealarmingreportis(written/beingwritten).Itwillbefinishedsoon.3.Whatpartofthecityis(attacked/beingattacked)now?課本18頁第2題Choosethesuitableve824.Rightnow,thedeerare(watched/beingwatched)overbymanyvolunteers.5.Whois(hunting/beinghunted)thekangaroos?Wherearethey(hunted/beinghunted)?6.It’sreportedthatlivingspacesforwildlifeare(reduced/beingreduced)duetothecuttingoftrees.n.

鹿n.

袋鼠vt.

減少4.Rightnow,thedeerare(wa831.Wearedoingmanythingstoprotecttheanimals.Manythingsarebeingdonetoprotecttheanimals.Changethesentencesintotheirpassivevoice.2.WeareseeingtheTibetanantelopesnextweek.TheTibetanantelopesarebeingseennextweek.1.Wearedoingmanythingsto843.WeareobservingtheTibetanantelopesthese

days.TheTibetanantelopesarebeingobservedthesedays.3.WeareobservingtheTibeta85Haveyouvisitedawetland?Haveyouvisitedawetland?86Whatcanyouseeinthewetland?Whatcanyouseeinthewetlan87Whyshouldwesetupthewetland?Whyshouldwesetupthewetla88課本18頁第3題LiuTaowouldliketoexpresshisconcernoverthewetlandinhishometown.Helphimfinishthepassagewiththepresentcontinuouspassivevoiceoftheverbsinbrackets.Inthewetlandofmyhometown,therearemanydifferentkindsofanimals,includingwildbirds,fish,snakes,insectsandsoon.WhenIwasinprimaryschool,Ioftenwenttherewithmyfriendstowatchthebirdsandstudythem.Thatwasaninterestingplaceforallofus.Butthingshavebeguntochangeinrecentyears.n.

昆蟲課本18頁第3題LiuTaowouldliketo89Smallbirds______________(catch)withnets.Wildducks_____________(sell)atfoodmarkets.Fishandsnakes_____________(kill)forfoodinrestaurants.Andevenworse,thewetland_______________(destroy).Someparts______________(cover)withnewhouses.Youcanseerubbisheverywhere.Thewetland_____________(pollute)seriouslyeveryday.Iamveryworriedaboutit.Whatshouldwedo?arebeingcaughtarebeingsoldarebeingkilledisbeingdestroyedarebeingcoveredisbeingpollutedn.

網(wǎng)Smallbirds______________(ca90WhydoesLinTaousepresentcontinuouspassivevoiceinthepassage?Inwhatconditionscanweusepresentcontinuouspassivevoicewhenweareexpressingourideas?WhydoesLinTaousepresentc91Itis

reportedthatlivingspacesforwildlifearebeingreducedduetothecuttingoftrees.reduce

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tomakesomethingsmallerorlessinsize,amount,orprice縮小;減少;降低Itisreportedthatlivingspa92【歸納】reducereduce...(from...)to...把……（從……）減少到……reduce...tosth./doingsth.使……陷