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    巧抓三个要点 妙学被动语态 被动语态例句

    时间:2018-12-24 03:18:45 来源:柠檬阅读网 本文已影响 柠檬阅读网手机站

      被动语态是两大语态之一,也是各类考试命题的热点。在现阶段,同学们首先要――      了解使用场合      1.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:
      Basketball is played all over the USA.
      2.不易找到或根本就不可能找到动作的执行者时。例如:
      ――My new bike was stolen.
      一I’m sorry to hear that
      3.汉语中含有“被”、“由”等词时。例如:
      Simon iS asked to come by orr Enelish teacher.
      4.汉语中没有“被”、“由”等词,而在原句中加这类词且句意通顺时。例如:
      These songs are usually sung by girls.
      5.汉语中含有“据说”、“据悉”、“有人说”、“大家说”等时。例如:
      Itis said that the old man can still eat three bowls Ofrice for lunch at the ageof 75.
      6.某些句子习惯上用被动语态。例如:
      MycousinWas bornOn October 1st,1999.
      7.表示礼貌时。例如:
      You are invitedtOcometOoureveningparty at6:00p.m.tomorrow.
      了解了被动语态的使用场合,同学们还需要――
      
      掌握基本结构
      
      be动词在被动语态中只算作助动词,总管一切变化,如人称、数、否定、疑问、时态等。
      请看下表:
      
      通过上表,同学们可以将此前所学的五大时态和被动语态知识有机地结合起来,从而达到将所学知识系统化的效果。
      注意:被动语态中过去分词后介词可用by,也可用with。一般地,表示动作的施动者(某人)或施动力(某物),当其原则上是行为者时之前用介词by;当其是工具时之前用with。但有时可把物比作人,把人比作物。体会:
      The model plane Was made by him.
      The street is crowded with people on New Year’s Day・
      元旦街上挤满了人。(把人比作物)
      The wooden house is surrounded by flowers.
      木房周围都是花。(把物比作人)
      被动语态是初中英语的重点,而将主动语态变成被动语态又是其难点。在此向同学们介绍一种简便方法。
      一变二同三注意
      一、变。即把主动语态中的宾语变为被动语态的主语;主动语态中的谓语动词变为be+过去分词;主动语态中的主语变为介词by的宾语,放在谓语动词后面(如果不强调动作的执行者,by短语常可省略);其它成分不变。如:
      They plant trees every year.
      主语谓语宾语(主动语态)
      Trees are planted by them every year.
      主语 谓语 (被动语态)
      二、同。主动语态的谓语动词是什么时态,变成被动语态后还是什么时态,即助动词be的时态要跟原主动语态的时态相同。如:
      1.一般现在时:am/is/are+过去分词。例如:
      They buy apples every week.
      →Apples are bought by them every week.
      2.一般过去时:was/were+过去分词。例如:
      A policeman saved the little gur1.
      →The little girl was saved by a policeman.
      三、注意。主动语态在变为被动语态时要注意以下几点:
      1.含有双宾语的主动句变成被动句时,通常把指“人”的间接宾语变为主语,指“物”的直接宾语保留不变。例如:
      My parentsgavenle anewcalnerfiyesterday.
      →IWasSiVeilailewcamerabymyparentsyesterday・
      如果要把指“物”的直接宾语变为主语,则在间接宾语前加to或for。例如:
      AnewcameraWasSiveil to Omebymyparentsyesterday
      2.含有复合宾语的主动句在变为被动句时,将其中的宾语变成主语,宾语补足语不变。例如:
      Wefound Peteraverycleverboy.
      →PeterWasfoundaverycleverboybyus.
      但是,如果宾语补足语是不带to的动词不定式,主动语态变成被动语态时要加上不定式符号to。例如:
      TheteachermakeshimreadEngisheverymorning。
      →HeiSmadetoreadEnglish Shbytheteachereverymorning.
      3.如果主动句中的谓语动词是一些相当于及物动词的短语动词,变为被动句时短语动词中的介词或副词不可以丢掉。例如:
      HetookgoodcareOfyourcat.
      →YourcatwastakengoodcareOfbv him   学习了以上知识点之后,同学们可以通过精练以下典型试题来检测一下学习的效果。
      A)单项选择,选择最佳答案。
      1.Shewasheard――anEnglishsonginherroomlastniSht
      A.sing
      B.sang
      C.tOsinSing
      D.tOsinS
      2.一Surf-riding first slands Of Hawaii,didn’tit?
      ―Yes,butIIOW it――by people all over the world.
      A.is enjoyed
      B.is enjoying
      C.has enjoyed
      D.will enjoy
      3.How――the great hdll(大厅)――withoutanymOdelTlmachlieslastyear?
      A.is,bum B.WOUld,bebuilt C.have,been built D.Was,built
      4.Tes tudentsan――EnSlishOrChilieseeverymorninSOnweekdays.
      A.keptreadinS B.keepinSreading C.kept[OIead D.keeping to read
      5.HeWas made――yesterday.
      A.cry
      B.tocry
      C.crying
      D.Iobecxied
      B)语态互换,每空一词。
      1.The厂113[1anSuage thatmostpeoplespeakinNewZealandi9Endish.
      English――――――the firse lanSuage――most people in New Zealand.
      2.Most business letters in the world are written in English.
      People often write___________________・
      3。We must dig holes for planting trees.
      H01es___________for plantinS trees。
      4.Theyeouldn’tmake出ecowSO.
      The cow eouldn’t_________________
      5.My aunt gave me a beautl birthday present yesterday.
      A beautiful birhday present___________me by my aunt yestexday・
      Keys:A)1-5 DADAB
      B)1.is spoken as; 2.bysubess in English 3.nyst be dug 4.bemade to go 5.was given to

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