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be+done被动语态的构成1一般现在时am/is/are+done如©People growrice inthe southof thecountry.-Rice isgrown inthe southof thecountry.稻米在这个国家的南部被种植
②The schooldoesn tallow usto enter the chemistry lab withoutateacher.f Weare notallowed toenterthechemistrylabwithout ateacher.我们不被允许在没有老师的状况下进入化学试验室2一般过去时was/were+done如
①They agreed on the building of a new car factorylast month.-The buildingofanewcarfactory wasagreedonlast month.建立一个新的汽车工厂在上个月被全都同意
②The studentsdidn tforget theirlessons easily.-Their lessonswere noteasily forgotten.他们的功课没有被轻易遗忘中考英语学问点之被动语态的构成形式被动语态的构成形式
1.被动语态的基本时态变化被动语态通常为十种时态的被动形式,被动语态由be过去分词构成,be随时态的变化而变化以do为例,各种时态的被动语态形式为1am/is/are done过去分词一般现在时例Visitors arerequested notto touchthe exhibits.2has/have beendone现在完成时例AH thepreparations forthe taskhave beencompleted,and werereadyto start.3am/is/are beingdone现在进行时例A newcinema isbeing builthere.4was/were done一般过去时例I wasgiven tenminutes todecide whetherI shouldreject theoffer.5had beendone过去完成时例By theend oflast year,another newgymnasium hadbeencompleted inBeijing.6was/were beingdone过去进行时例A meetingwas beingheld whenI wasthere.学校英语学问点总结被动语态的特别结构形式1带情态动词的被动结构其形式为情态动词+be+过去分词例The babyshould betaken goodcareof bythe baby-sitter.2有些动词可以有两个宾语,在用于被动结构时,可以把主动结构中的一个宾语变为主语,另一宾语仍旧保留在谓语后面通常变为主语的是间接宾语例His mothergave hima presentforhis birthday.可改为He wasgivena presentby hismother forhis birthday.3当“动词+宾语+宾语补足语”结构变为被动语态时,将宾语变为被动结构中的主语,其余不动例Someone caughtthe boysmokinga cigarette.可改为The boywascaught smokinga cigarette.4)在使役动词have,make,get以及感官动词see,watch,notice,hear,feel,observe等后面不定式作宾语补语时,在主动结构中不定式to要省略,但变为被动结构时,要加to例Someone sawa strangerwalkinto thebuilding.可改为A strangerwasseen towalk intothebuilding.5)有些相当于及物动词的动词词组,如“动词+介词”,“动词+副词”等,也可以用于被动结构,但要把它们看作一个整体,不能分开其中的介词或副词也不能省略例The meetingis tobe putofftill Friday.
3.非谓语动词的被动语态v.+ing形式及不定式to do也有被动语态(一般时态和完成时态)中考英语语法考点复习文档内容到此结束,欢迎大家下载、修改、丰富并分享给更多有需要的人。