初中英语被动语态总复习课件VIP免费

语法复习之初中英语动词语态讲解考标解读1.了解被动语态的用法，重点掌握四种时态及情态动词的被动语态的构成2.掌握被动语态的几种特殊形式被动语态基本用法当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由助动词be+过去分词构成，时态通过be表现出来。何时使用被动语态呢？一、行为主体不明确，不必说出或者无法说出动作的执行者时。例如：Footballisplayedallovertheworld．二、不易找到或根本就不可能找到动作的执行者时。例如：Mybikewasstolen．我的自行车被盗了。三、汉语中含有“据说”、“据悉”、“有人说”、“大家说”等时。例如：Itissaidthatonedayheclimbedtothetopofahouseand……ItwasreportedthathermotherdiedofSARS.众所周知……Itiswellknownthat…据推测说……Itissupposedthat…四、某些句子习惯上用被动语态。例如：HewasborninOctober，1989．时态主动语态被动语态一般现在时V(原形)/V(e)sam/is/are+Vpp一般过去时V-edwas/were+Vpp一般将来时will+V(原形)will+be+Vpp现在完成时have/hasVpphave/hasbeen+Vpp含情态动词情态动词+V(原形)情态动词+be+Vpp要点突破1.被动语态常见时态各种时态的被动语态构成1）一般现在时：Youareinvitedtodothis.2）一般过去时：Thestorywastoldbyher.3）一般将来时：Theproblemwillbediscussedtomorrow.4)现在完成时：Thousandsoftreeshavebeenplantedinourcity.5)情态动词：Therubbishcanbeputintothedustbinoverthere.1.一般可变为被动语态的动词为及物动词2.be动词可根据人称、时态、数进行变化.3.不特别强调动作执行者时，by短语(即by和后面的宾语)一般可以省略注意事项：1.感官动词(hear,see,watch,feel,notice等)和使役动词(let,makehave等)在主动语态中后接不带to的动词不定式,但是改为被动语态时,把to加在动词原形之前.Theymadetheboyswork12hoursaday.-Theboysweremade______________12hoursaday.Weoftenseehimgoforawalkbytheriver.-Heisoftenseen______________forawalkbytheriver.要点突破2被动语态的几种特殊形式toworktogo2.带双宾语的句子有两种改法:一般情况下把指人的宾语作为被动句的主语.当把直接宾语物作为主语时，要加介词to,如give,bring,pass,read,teach,show等。加for的动词有buy,sing,make,leave，mend等1.Hegavemeabook.-Abook_______________mebyhim.2.Tom’sfatherboughthimabook.-Abook___________himbyhisfather.wasgiventowasboughtfor3.主动句中含有宾语补足语句子的被动语态:把人变为主语Mothertoldmenottobelate.Iwastoldnottobelatebymother.Isawmotherplantingflowersinthegarden.Motherwasseenplantingflowersinthegarden.4.短语动词的被动语态Icantakegoodcareofthebaby.--Thebabycanbetakengoodcareof.Weshouldspeaktotheoldpolitely.--Theoldshouldbespokentopolitely.Therainstopped.ThesoupThesouptastestastesdelicious.delicious.1.1.stop,tastestop,taste在句中是不及物动词，在句中是不及物动词，后面不能直接带宾语，因此不能变为被动后面不能直接带宾语，因此不能变为被动语态。语态。不及物动词（vi.)不能用于被动语态。happen,takeplace,appear,disappear,belongto,breakout(爆发）5.不用被动语态的情况Atrafficaccident________(happen)justnow.happened2.连系动词（Link.v.)不用被动语态，如be,look,seem,feel,sound,smell,taste,get,turn,become…PekingOpera_______(sound)beautiful.sounds3.当此动词表示事物的自然属性的时候，不用被动语态。Thepen__________(write)veryfast.writesThiskindofsweater_______(sell)well.sells