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1、GrammarandusageThepassivevoice&Modalverbsandthepassivevoice&Verbsoftenusedinthepassivevoice句子的主动语态和被动语态在意义上区别很小。在主动语态中，句子的主语是动作发出者；在被动语态中，句子的主语是动作的接受者或受影响者。ThepassivevoiceThelovelyrobotsattractsthevisitors.Thevisitorsareattractedbythelovelyrobots.S.V.O.O.V.S.The
2、GreatWallwasvisitedbymanypeoplelastyear.S.V.O.O.V.S.ManypeoplevisitedtheGreatWalllastyear.被动语态的基本形式是be+过去分词。通过改变be的时态，可以构成不同时态的被动语态。Foodiskeptinthefridge.Theglasswasbrokenbytheboy.一、被动语态的构成TenseTheactivevoiceThepassivevoiceThesimplepresentThepresentcontinuousThe
3、presentperfectdo/doesare/isdoneam/is/aredoinghas/havedoneam/is/arebeingdonehave/hasbeendoneThesimplefutureThesimplepastThepastcontinuousThepastperfectbegoingto/willdodidwas/weredoinghaddonebegoingto/willbedonewas/weredonewas/werebeingdonehadbeendone二、主动语态变为被动语态的
4、步骤1．先找出谓语动词；2．再找出谓语动词后的宾语；3．把宾语用作被动语态中的主语；4．注意人称、时态和数的变化。将下列句子改为被动语态：1.DopeoplespeakFrenchinthatpartoftheworld?__________________________________IsFrenchspokeninthatpartoftheworld?2.Thetwinbrothershaven’tcleanedtheirbedroomsincelastweek._________________________
5、___________________________________________3.It’stimesomeonetoldthespoiledchildwhatwaswrong.____________________________________________________________________Thetwinbrothers’bedroomhasn’tbeencleaned(bythem)sincelastweek.It’stimethespoiledchildwastoldwhatwaswro
6、ng.4.WhenIcamein,Johnwassharpeningtheknives.____________________________________________________________________5.Whoisgoingtodeliverthenewspaperstomorrow?____________________________________________________________________WhenIcamein,thekniveswerebeingsharpened
7、byJohn.Bywhomarethenewspapersgoingtobedeliveredtomorrow?提醒：在被动语态中，动作发出者往往置于by之后，但在不必指出动作发出者是谁、动作发出者并不重要或很难指出动作发出者是谁时，一般不提及动作发出者。Boththeheadsetsandtheglovesareconnectedtoacomputernetwork.三、使用被动语态应注意的几个问题：Ⅰ主动表被动的注意点1．不及物动词无被动语态。注意happen,occur,takeplace,comeabout,b
8、reakout,comeout,runout,getacross等无被动。Whatwillhappenin100years?Thedinosaursdisappearedabout65millionyearsago.2．有些动词用主动形式表示被动意义。注意wash,clean,cook,iron,sell,cut,read,wea
