人教版高中英语必修二课件Unit4WildlifeprotectionGrammar

Unit4WildlifeprotectionTheTenseoftheThePassiveVoice1.Presentpassivevoice:am/is/are+p.p.

e.g.TheOlympicGames

__________

___________________________

奥运会经常在大城市举办。2.Pastpassivevoice:was/were+p.p.

e.g.ThelastOlympicGames________

inBrazil.

上届奥运会是在巴西举办的。are

usually

held

inbigcities.wereheld3.Futurepassivevoice:will/shall+be+p.p.

am/is/are+goingtobe+p.p.

am/is/are+tobe+p.p.e.g.Thechildren_______________hospitaliftheyhaveaslightfever.

Thechildren____________________

tohospitaliftheyhaveaslightfever.Thechildren____________________

hospitaliftheyhadaslightfever.

孩子如果有点发烧应该送到医院去。willbetakentoaregoingtobetakenaretobetakentoCanyoufindthefollowingsentenceinthereadingpassage?Payattentiontotheverbtense.Thenpickoutfourmoresentencesusingthepresentprogressivepassivevoicefromthepassage.Weare

beingkilledforthewoolbeneathourstomachs.1.Ourfurisbeingusedtomakesweaters…2.Iwonderwhatisbeingdonetohelpyou.3.Daisyturnedaroundandfoundthatshewasbeingwatched…4.Sogoodthingsarebeingdone…Presentcontinuouspassivevoice4.Presentcontinuouspassivevoice:am/is/are+_______+p.p.e.g.–Whyitissonoisyoutthere?–Oh,it’sbecausetheroad

isbeingrepaired.being5.Present

Perfectpassivevoice:have/has+been+p.p.e.g.TheOlympicGames

havebeenheld

29times.A.陈述句：主语+am/is/are+being+过去分词B.疑问句：疑问词+am/is/are+主+being+过去分词现在进行时的被动语态结构

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),rightnow(现在,此刻),atpresent(现在,目前),atthismoment(此刻)连用。用法主语和谓语动词之间是被动关系,而且动作正在进行。e.g.EnglishisbeingtaughtbyMissLeenow.Newfunctionsarebeingaddedtothecameraatpresent.意义现在进行时的被动语态:

am/is/are+beingdone表示说话时正在进行的一个被动动作，强调主语是动作的承受者。

e.g.瞧！那个婴儿正由他的姑姑照料着。

Look!Thebaby________takencareofbyheraunt.isbeing2)表示这一段时间正在进行的一个被动的动作。

e.g.

这一阵子许多讲座正在举行。

Manyspeeches_________heldthesedays.arebeing3)表示按计划或安排将要进行的一个被动动作

e.g.今晚将要进行一场圣诞晚会。

Apartyisbeingheldtonight.Theproblemisunderdiscussionnow.=Theproblemisbeingdiscussednow.Thetelephoneisinuse.=Thetelephoneisbeingused.①be+under/in+n.的结构可以表示现在进行时的被动语态的含义。Tryandseeifyoucanhelpfillinthefollowingform.PekingUniversitystudents.beingprotectedbytheWWFbeinghuntedbypeoplewhowishtotakethefurfromundertheirstomachs.beingphotographedbyDaisyarebeingkilledbytheJapanesefisherman.arebeingattackedbythecat.areservenearBeijing.protectedbythegovernmentofthecountrieswhereitlives.beingdestroyedbythepoorfarmerswhowantlandtogrowcropsarebeingusedtomakedrugstoprotectpeoplefrommosquitoes.I.用括号内动词的正确形式填空。1.Frankhastogotoworkbytaxibecausehiscar______________(check)atthegarage.2.Ithinkthepolicewillfindoutwhodidit—amanhasbeencaughtand__________________(question)now.isbeingchecked

isbeingquestioned3.Whatdecision__________(make)atyesterday'smeeting?4.Asuperstar_________________(interview)bythetalkshowhostatthemoment.5.Thebigpandaisill.It______________(examine)bythedoctornow.6.Itisreportedthatmanynewhouses_______________(build)atpresentinthedisasterarea.wasmade

isbeinginterviewedisbeingexamined

arebeingbuiltII.用被动语态改写下列句子。1.Theyarestudyingthemiludeeratthe researchcentre.Themiludeeris/arebeingstudiedattheresearchcentre.2.Sheisteachingtheboyalesson.3.Nowheismakingthegirllaugh.4.Theyarerevisingthelawstoprotect