广州牛津版8Bunit4语法被动语态讲解及练习.wps资料文档下载

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广州牛津版8Bunit4语法被动语态讲解及练习.wps资料文档下载

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广州牛津版8Bunit4语法被动语态讲解及练习.wps资料文档下载

Manytreesshouldbeplantedonthemountains.应该在山上种许多树。

(2)否定句式(主语+情态动词+not+be原形+过去分词)ItcannotbedonebyPeter.这件事不可能是彼得干的。

Wastepapershouldnotbethrownontheroad.废纸不应该扔在路上。

(3)一般疑问句式(情态动词+主语+be原形+过去分词)Mustthetreesbewaterednow?

这些树必须现在浇水吗?

(4)特殊疑问句式特殊疑问词(不作主语)+情态动词+主语+be原形+过去分词Whencanmycomputerberepaired?

我的电脑什么时候能修好?

特殊疑问词(作主语)+情态动词+be原形+过去分词Whatmustbedonenext?

下一步该做什么?

含有情态动词的主动语态与被动语态的转换:

eg:

1).We(主语)can(情态动词)write(谓语)letters(宾语)inEnglish.(宾语补足语)Letters(主语)can(情态动词)bewritten(谓语)inEnglish(宾语)byus.(宾语补足语)2).Parents(主语)should(情态动词)allow(谓语)teenagers(宾语)tochoosetheirownclothes.Teenagers(主语)should(情态动词)beallowed(谓语)tochoosetheirownclothes(宾语)bytheirparents.(宾语补足语)3).You(主语)must(情态动词)clean(谓语)yourbedroom(宾语)everyday.(时间状语)Yourbedroom(主语)must(情态动词)becleaned(谓语)everyday(时间状语)byyou.(宾语)练习:

练习:

一、根据要求完成句子1.Theoldpeopleshould_(speak)topolitely.3.Teenagersshould_(allow)tosurftheInternet.4.Weshouldcleantheclassroomeveryday.(被动语态)Theclassroom___everyday.5.Eighteen-year-oldsshouldbeallowedtodrink.(否定句)Eighteen-year-olds___allowedtodrink.6.Thelightsshouldbeturnedoffwhenyouleaveheclassroom.(主动语态)You___thelightswhenyouleavetheclassroom.7.Teenagersshouldbeallowedtoplaywithfriendsatnight.(改为否定句)Teenagerstoplaywithfriendsatnight.8.Theflowersmustbewateredonceaday.(改为一般疑问句)theflowersonceaday?

9.Shouldtheclassroombecleanedontime?

(作肯定回答),.10.Parentsshouldallowchildrentochoosetheirclothes.(改为被动语态)Childrentochoosetheirclothes.11.Theyoungtreecanbeplantednow.(改为主动语态)Wetheyoungtreenow.二、单项选择()1.Peoplewhodrinkwine_todriveafterMayDay.A.dontallowB.isntallowedC.mustntallowD.mustntbeallowed()2、Foodsafetyisveryimportant.Sosomerules_tostoppeoplefrompollutingfood.A.mustmakeB.mustbemadeC.mustmadeD.bemade()3.Tomakeourcitymorebeautiful,rubbish_intotheriver.A.needntbethrownB.cantthrownC.mustntbethrownD.maynotthrown()4.Itsaruleinmyclassthatourclassroom_before6:

00p.m.everyday.A.beabletocleanB.shouldbecleaningC.mustcleanD.mustbecleaned()5.Mustwecleantheclassroomnow?

No,you_.It_afterschool.A.neednt;

mustbecleanedB.mustnt;

needntbecleanedC.neednt;

canbecleanedD.donthaveto;

mayclean()6.Manyinterestingexperiments_bythestudentsinthenewlab.A.willbecarriedB.willbecarriedoutC.carryoutD.willcarryout()7.SomeoftheplasticbagscantafterJune1.Yes,peoplewilluseenvironmentalbagsinstead.A.useB.beuseC.beusedD.areused()8.ThereisalotofwindinNorthChina.Well,moretreeseveryyeartostopthewind.A.mustbeplantedB.canplantedC.shouldplanted2、现在完成时的被动语态、现在完成时的被动语态现在完成时的结构:

现在完成时的结构:

have/has+过去分词过去分词现在完成时时间标志词:

现在完成时时间标志词:

since+时间点时间点/从句,从句,fortwomonths,sofar,yet,inthepast3years等等现在完成时被动语态的构成:

现在完成时被动语态的构成:

1现在完成时被动语态的肯定式:

havehasbeen及物动词的过去分词例如:

Twowindowshavebeenbroken两个窗子被打破了。

2现在完成时被动语态的否定式:

havehasnotbeen及物动词的过去分词例如:

Thecarhasnotbeenrepaired这辆汽车还没有修好。

3现在完成时被动语态的一般疑问式:

HaveHas主语been及物动词的过去分词例如:

Hasherworkbeenfinished?

她的工作完成了吗?

Yes,ithas是的,完成了。

Havethecarsbeenrepaired?

这些汽车修好了吗?

No,theyhavent不,还没有。

4现在完成时被动语态的特殊疑问式:

疑问词havehas主语been及物动词的过去分词例如:

Howlonghasherworkbeenfinished?

她的工作完成有多久了?

Whohasbeenhelpedbythenewcomputer?

谁已经得到了这台新计算机的帮助?

Howmanynewwordshavebeenlearnedbythestudents?

这些学生已经学会了多少单词?

()1-Idliketobuythatcoat.-Imsorry._.A.itsoldB.itssellingC.ItsbeensoldD.ithadbeensold()2.Thekey_onthetablewhenIleave.A.wasleftB.willbeleftC.isleftD.hasbeenleft()3.Thesepapers_yet.A.havenotwrittenB.havenotbeenwrittenC.hasnotwrittenD.hasnotbeenwritten()4.Greatchanges_inthepasttenyearsinChina.A.tookplaceB.havetakenplaceC.weretakingplaceD.hadtakenplace()5.Greatchanges_inourcountryduringthepast20years.A.havehappenedB.happenedC.havebeenhappenedD.werehappened()6.Nowthesemagazines_inthelibraryforalongtime.A.havekeptB.arekeepingC.havebeenkeepingD.havebeenkept()7.Thedoctor_foryet.A.isntsentB.hasntbeensentC.wontbesentD.wasntsent()8.Thepupilshere_allkindsofexerciseseverydayinthepastfewweeks.A.keptbusydoingB.keepondoingC.havekeptbusydoingD.havebeenkeptbusydoing()9.Whathappenedtothepostman?

Idontknow.He_aroundhereforalongtime.A.hasntseenB.didntseeC.wasntseenD.hasntbeenseen二、课堂练习:

二、课堂练习:

A.一般现在时的被动语态结构:

is/am/are+及物动词的过去分词

(1)完成句子1Football(play)allovertheworld。

2Manytrees(plant)inNorthChina.3Rice(grow)inSouthChina.4Acamera(use)fortakingphotos5Ioften(ask)todothiswork.

(2)单选题()1English_inCanada.A.speaksB.arespokenC.isspeakingD.

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