被动语态专讲专练.doc

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1、被动语态专讲专练一被动语态的构成“助动词be+及物动词的过去分词”。助动词be有人称、数和时态的变化.各种时态的被动语态的构成：1.一般现在时态am/is/are+及物动词的过去分词2.一般过去时态was/were+及物动词的过去分词3.一般将来时态will或am/is/aregoingto+be+及物动词的过去分词4.现在完成时态have/has+been+及物动词的过去分词5.过去完成时态had+been+及物动词的过去分词6.现在进行时态am/is/are+being+及物动词的过去分词7含情态动词的情态动词+be+及物动词的过去分词8动词不定式tobe+及物

2、动词的1We________(tell)nottoplaycomputergames.2Thechildren________(teach)toswimlastmonth.3Moreandmoretrees____________(plant)now.4I’msorryyoucan’tgoinnow.Theroom______________(notclean)yet.5Atalkonscience____________(give)inourschoolnextMonday.6Thetreesmust__________(water)threetimesaweek

3、.7Mybikeneedsto_________(repair).二用法A)当动作执行者不知道，不需要或不愿说出时8Smoking_________(notallow).9Football_________(play)inmostpartoftheworld.10Whenhe________(invite)tohavedinner,healwaysrefusedpolitely.B)需要突出或强调动作的承受者时11Thischair________(make)ofwood.12He__________(regard)asanexpert.13We_______war

4、mly________(welcome)there.14Alargeholemust_______(dig).C)若有必要说明动作的执行者，则用by引出。15Themoney_________(steal)bythatmaninthecar.16English_________(use)bytravelersandbusinessmenallovertheworld.注：不及物动词happen、appear、takeplace、belongto等无被动语态。三几种特殊情况A）带有介词、副词的短语动词的被动结构不可丢掉介词或副词。17Aliens___________

5、_____（谈论）bymanypeople.18Yourpronunciationshould_________________（注意）19Olderpeopleshouldbe_________（说）politely.20Thegirlwasunhappybecauseshe___________（嘲笑）bysomeboysintheclass.B）感官动词和使役动词的被动语态后接带的to不定式.22LiYongwasseen________(sweep)thefloorthismorning.23Lilyisoftenheard________(sing)inh

6、erbedroom.C)双宾语动词若将间接宾语变为主语，直接宾语保留在谓语后，将直接宾语变为主语，间接宾语前加to或for.25Lastweekhesentmealetter.→Iwassentaletterlastweek.→Aletterwassenttomelastweek.26Iboughtmysonacoatyesterday.→Myson_____________________yesterday.→Acoat_______________________yesterday.D）主动语态的主语是表地点的名词，应改为“in+地名”作状语。27Northwe

7、stChinagrowsthebestcotton.→Thebestcotton_____________NorthwestChina.E)当否定句的宾语是anything,anyone,anybody等不定代词时，改动语态应用nothing,noone,nobody作主语，并将谓语动词有否定变为肯定。28Thegovernmenthasn’tdoneanythingtostopthepollution.→Nothing___________________tostopthepollution.29Theydidn’taskanybodytohelpthem.→