初中英语教学论文 初中英语必考语法之被动语态 3页

初中英语必考语法之被动语态英语动词有两种语态：主动语态和被动语态，被动语态的结构是主语+be+过去分词，其中be动词体现时态，过去分词done体现被动。下面以动词do为例，总结出各种时态的被动语态。1.一般现在时：am(is,are)+done.如：主动语态：我们打扫教室。Wecleanthecl英语动词有两种语态：主动语态和被动语态，被动语态的结构是主语+be+过去分词，其中be动词体现时态，过去分词done体现被动。下面以动词do为例，总结出各种时态的被动语态。1.一般现在时：am(is,are)+done.如：主动语态：我们打扫教室。Wecleantheclassroom.被动语态：教室被我们打扫。Theclassroomiscleanedbyus.2.一般过去时：was(were)+done如：主动语态：我们昨晚打扫了教室。Wecleanedtheclassroomlastnight.被动语态：昨晚教室被我们打扫了。Theclassroomwascleanedbyuslastnight.3.一般将来时：will(shall)be+done如：主动语态：我们明天将打扫教室。Wewillcleantheclassroomtomorrow.被动语态：明天教室将被我们打扫。Theclassroomwillbecleanedbyustomorrow.4.现在进行时：am(is,are)being+done如：主动语态：我们正在打扫教室。Wearecleaningtheclassroom.被动语态：教室正被我们打扫。Theclassroomisbeingcleanedbyus.5.过去进行时：was(were)being+done如：主动语态：昨晚这个时候我们正在打扫教室。Wewerecleaningtheclassroomatthismomentlastnight.\n被动语态：昨晚这个时候教室正在被我们打扫。Theclassroomwasbeingcleanedbyusatthismomentlastnight.6.现在完成时：have(has)been+done如：主动语态：我们已经打扫了教室。Wehavecleanedtheclassroom.被动语态：教室已经被我们打扫了。Theclassroomhasbeencleanedbyus.7.带情态动词的被动语态：must(can,may,should,need,would)be+done如：主动语态：我们必须打扫教室。Wemustcleantheclassroom.被动语态：教室必须被我们打扫。Theclassroommustbecleanedbyus.练一练：一、根据句意，用括号中词的适当形式填空。1.Cakes   (eat)byusamomentago. 2.Atthattime,theradio   (mend)byhim.3.Theproblem   (solve)soon.4.Anewfilm   (show)now.5.Nonotesshould   (bring)totheEnglishexam,boysandgirls!6.---Whynotgofishing?   ---It   (sound)great.7.Thesebooks   (send)tothevillagealready.8.English   (speak)inAustralia.二、将下列句子变成被动语态。1.Ihaveboughtanicebicycle.   Anicebicycle   byme.2.Heisgoingtowritealettertohismothertomorrow.   Aletter   tohismotherbyhimtomorrow.3.Myauntgavemeapresentyesterday.   Apresent   mebymyauntyesterday.4.We’llbuildanewrailwaynextyear.\n   Anewrailway   nextyear.5.Theprofessoristranslatingthefamousbooknow.   Thefamousbook   bytheprofessornow.6.Peopleusuallyplanttreesinspring.   Trees   inspring.7.Youshouldmakeaplanatfirst.   Aplan   atfirst.8.HewasstudyingEnglishat6o’clockyesterday.   English   byhimat6o’clockyesterday.