高中英语 Unit4 Grammar课件 新人教版教材必修2 课件.ppt

必修2ThePresentProgressive
PassiveVoiceObjective语法讲解建议采用归纳法，如尽可能多的呈现一些相关例句，或可让学生从已学课文中找相应例句，引导学生试着从所观察到的语言现象中总结出语言规则和语法规律。Lookatthefollowingsentences,payingattentiontotheunderlinedpart.Maryisbeinginterviewednow.Tom’scarisbeingrepairednow.Thediseaseisbeingstudiedatpresentbyscientists.Thelifeofthepandaisbeingstudied
atpresent.ThePresentProgressivePassiveVoice现在进行时的被动语态表示说话人说话时或现阶段正在进行的
动作，经常和时间副词now(现在),right
now(现在,此刻),atpresent(现在,目前),
atthismoment(此刻)连用。主语和谓语动词之间是被动关系,
而且动作正在进行。
1.MusicisbeingtaughtbyMissLinow.
2.Newfunctionsarebeingaddedtothe
phoneatpresent.“三变”:原句主语变为by短语,宾语变为主语,谓语由主动变为被动；
“三不变”:原句意思不变,原句时态不变,原句主谓宾以外成分不变。
Theyarebuildingnineparks.
→Nineparksarebeingbuilt.
→Howmanyparksarebeingbuilt?2.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。
Yourcomputerisbeingrepaired.
你的电脑正在维修中。
Apartyisbeingheldtonight.
今晚将要举办一场晚会。3.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…
Thehouseisburning.
Themeatiscooking.4.某些“介词+名词”的短语也可以表
示正在进行着的被动动作,常见的这
些介词有:on,under。
Manynewcarsareonshow.
=Manynewcarsarebeingshown.
Yourquestionsareunderdiscussion.
=Yourquestionsarebeingdiscussed.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”。
(1)Youarewantedonthephone.
(2)MP3isbecomingmoreandmore
popular.Inotherwords,itisloved
bymoreandmorepeople.ReviewIndividualactivity1.—Idon’tsupposethepoliceknow
whodidit.
—Well,surprisinglytheydo.Aman
hasbeenarrestedand____now.
A.hasbeingquestioned
B.isquestioning
C.hasquestioned
D.isbeingquestioned2.Anewcinema_____here.Theyhopetofinishitnextmonth.
A.willbebuilt
B.isbuilt
C.hasbeenbuilt
D.isbeingbuilt3.Idon’tknowwhattimeitisnow.
Mywatch_____.
A.isrepairing
B.hasbeenrepaired
C.isbeingrepaired
D.hasrepaired4.Withmoreforestsbeingdestroyed,
hugequantitiesofgoodearth____
eachyear.
A.iswashingaway
B.isbeingwashedaway
C.arewashingaway
D.arebeingwashedaway5.—Areweabouttohavedinner?
—Yes,it_____inthedinning
room.
A.isserving
B.isbeingserved
C.hasbeenserving
D.serves6.—Haveyouhandedinyour
schoolworkyet?
—Yes,Ihave.Iguessit______now.
(2007辽宁)
A.hasgraded
B.isgraded
C.i