被动语态 文档高考英语_-.pdf
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1、学习必备 欢迎下载 被动语态讲解 被动语态的时态变化(谓语动词):基本用法(以 do 为例)一般 进行 完成 现在 am/is/are done am/is/are being done has/have been done 过去 was/were done was/were being done had been done 将来 shall/will be done shall/will be being done shall/will have been done 重点解析:1.被动语态的形式从时态上,分成现在、过去、将来,再细分为一般、进行、完成。2.被动语态中 do 永远变成 be d
2、one,所有的变化中 done 必须是保留的,而时态是把 be做相应的变化而体现的。如:1)am/is/are doing 是现在进行时,而 am/is/are being done 是现在进行时的被动语态。2)一般过去时的被动语态就是把 be 变成过去时 was/were。3)一般将来时即在 be done 前加了 shall/will。4)had been done 中 had 表示时态,be 改成 been,即后面是 been done。记住:把 be 做相对应的变化来改变时态。例句:1.The book was received so eagerly that it was sold
3、out on the first day.这本书得到了公认,第一天就卖光了。(一般过去时的被动语态)2.Textbooks are required to come in time.要求课本及时到达。(一般现在时的被动语态)3.My sister wants to work in a power plant which is still being built.我妹妹想去那家尚在修建的发电厂工作。(现在进行时的被动语态)4.By the end of next May this task will have been finished.到明年五月末为止,这项任务就已经完成了。(by the e
4、nd of 到.末为止,next May 表示“还没有到”,所以用将来完成时 will have done,变成被动语态,即 will have been done)5.The railway had been completed by the end of last year.这条铁路去年末已经完工了。(同样的 by the end of,因为 last year 表示“过去”,所以用过去完成时的被动语态,have 变成了 had)例 1.After getting lost in a storm,a member of the navy team _ four days later.A.r
5、escued B.was rescued C.has rescued D.had been rescued 2.More than a dozen students in that school _ abroad to study medicine last year.A.sent B.had sent C.were sent D.had been sent 3.Experiments of this kind _ in both the U.S.and Europe well before the Second World War.A.have conducted B.have been c
6、onducted C.had conducted D.had been conducted 4.All visitors to this village _ with kindness.A.treat B.are treated C.are treating D.had been treated 注意:1.情态动词的被动结构:情态动词+be done The control room may not be entered without permission.非经许可,勿入控制室。2.被动语态的否定形式 把 not 置于第一个助动词 be、have 或情态动词后,如:The problem i
7、s not going to be 学习必备 欢迎下载 discussed at the meeting.这个问题不打算在会上讨论。3.有些相当于及物动词的动词词组,如“动词介词”,“动词副词”等,用于被动结构时,要看作一个整体,不能分开,介词或副词也不能省略。Such a bad habit should be got rid of.这样的坏习惯应该戒除。使用被动语态的场合 1.当关注的是事情或事物本身而不是动作的执行者,或者根本不知道动作的执行者时。My car has been moved.我的汽车有人动过。2.动作的执行者很明确时或强调承受者时。If you break the sch
8、ool rules,you will be punished.如果你违犯了学校的纪律,你会受惩罚的。3.当动作的执行者是“people”或“one”时。He is believed to have invented the computer.人们都相信他发明了电脑。Advertisements are seen everywhere.广告随处可见。4.为了更好地安排句子。The well-known person got on the bus and was immediately recognized by people.那个名人上了公交车,立刻被人们认了出来。(只需一个主语)I was s
9、hown round the campus by Sean,who had entered the school just a year before.肖恩带我参观了校园,他去年刚进这所学校。(用定语从句使两个松散的句子变成了复合句,句子更流畅、紧凑)被动语态使用的注意要点 1.双宾语变被动句 有些动词可以有两个宾语,在被动句中,通常用间接宾语(多为人)作主语,如果主语是直接宾语(多为物)时,要在间接宾语前加上适当的介词 to 或 for 等。Ann wasnt offered the job.安没得到这份工作。The Nobel Prize was awarded to George Sor
10、os.这项诺贝尔奖授予乔治索罗斯了。2.加 to 还是不加 to 使役动词 have,make 及感官动词 see,watch,notice,hear,feel,observe 等后面不定式作宾语补足语时,主动结构中不定式 to 要省略,但在被动结构时,要加 to。有人看见一个陌生人走进了楼。主动句:Someone saw a stranger walk into the building.被动句:A stranger was seen to walk into the building.She is made to clean the floor again.她被迫再次擦了地板。注意:使役动
11、词 get 在主动句中也接带 to 的不定式作宾语补足语。We have to get him to see a doctor.我们必须劝他去找医生看看。3.let 与被动语态 1)let 后只有一个单音节动词,在被动语态中可用不带 to 的不定式。主动句:They let the stranger go.他们让陌生人走了。被动句:The stranger was let go.陌生人被放走了。2)若 let 后宾语补足语较长时,let 通常不用被动语态,而用 allow 或 permit 等代替。主动句:The nurse let me go to see my classmate in t
12、he hospital.在医院里护士允许我去看了我的同学。析被动语态的形式从时态上分成现在过去将来再细分为一般进行完成被动语态中永远变成所有的变化中必须是保留的而时态是把做相应的变化而体现的如是现在进行时而是现在进行时的被动语态一般过去时的被动语态就是把变成过一天就卖光了一般过去时的被动语态要求课本及时到达一般现在时的被动语态我妹妹想去那家尚在修建的发电厂工作现在进行时的被动语态到明年五月末为止这项任务就已经完成了到末为止表示还没有到所以用将来完成时变成被动结构情态动词非经许可勿入控制室被动语态的否定形式把置于第一个助动词或情态动词后如学习必备欢迎下载这个问题不打算在会上讨论有些相当于及物动词
13、的动词词组如动词介词动词副词等用于被动结构时要看作一个整体不能分学习必备 欢迎下载 被动句:I was allowed/permitted to see my classmate in the hospital.在医院里我被允许去看了我的同学。4.被动结构与系表结构的区别 “be过去分词”这个结构并不都是被动语态,也可能是系表结构。区别是:被动结构表示一个动作,而系表结构表示主语的特点或所处的状态。比较下列句子:The enemy was soon surrounded by us.(强调动作,被动结构)敌人不久就被我们包围了。The house is surrounded by trees.
14、(表示房子的特点或状态,系表结构)那座房子周边都是树。She was bitten by the dog in the darkness.(被动结构)在黑暗中,她被那只狗咬了。I was excited by the news that my husband got promoted.(系表结构)听到我丈夫升职了,我很兴奋。注意下列表示状态的短语:be determined 决心 be pleased 感到高兴 be graduated(from)毕业于 be finished 完成 be prepared(for)准备好 be occupied(in)忙于 用法讲解 被动语态要注意的几个句型
15、 1.Itbe过去分词that 从句 主语be过去分词to do sth.表示“据说”或“相信”的动词,如 believe,consider,expect,report,say,suppose,think等可以用于这两个句型中。It is said that the boy has passed the national exam.The boy is said to have passed the national exam.据说这个男孩已经通过了这次全国性的测试。常用句型:It is said/reported/suggested that 据说/据报道/据建议.It is believe
16、d/hoped/thought that 大家相信/希望/认为 It is well known that 众所周知 2.be supposed to do 被推想/期望做某事,应该做某事 Lets go and see that film.It s supposed to be very good.我们去看这个电影吧,据说不错。Its nearly 8 oclock.Id better hurry.Im supposed to be meeting Tom at 8:15.我要快些了,现在差不多 8 点钟了。我 8:15 去接汤姆。You are not supposed to park h
17、ere.这儿不允许停车。3.get+done 与 be+done 在被动句中,get 常可以代替 be,get 多用在口语中,有时表示行为不是计划之中,而是意外发生的。There was a fight at the pub,but fortunately nobody got(=was)hurt.酒馆里发生了打斗,幸好无人受伤。The dog got run over by a car.狗被汽车辗死了。不定式的被动式:作用和形式 1.当不定式的逻辑主语是此不定式动作的承受者时,一般要用不定式的被动式。不定式的被动式可以在句中作主语、宾语、表语、定语、状语等。Its an honour to
18、be invited to the ceremony.(作主语)析被动语态的形式从时态上分成现在过去将来再细分为一般进行完成被动语态中永远变成所有的变化中必须是保留的而时态是把做相应的变化而体现的如是现在进行时而是现在进行时的被动语态一般过去时的被动语态就是把变成过一天就卖光了一般过去时的被动语态要求课本及时到达一般现在时的被动语态我妹妹想去那家尚在修建的发电厂工作现在进行时的被动语态到明年五月末为止这项任务就已经完成了到末为止表示还没有到所以用将来完成时变成被动结构情态动词非经许可勿入控制室被动语态的否定形式把置于第一个助动词或情态动词后如学习必备欢迎下载这个问题不打算在会上讨论有些相当于及
19、物动词的动词词组如动词介词动词副词等用于被动结构时要看作一个整体不能分学习必备 欢迎下载 受邀参加这个仪式很荣幸。She didnt like to be treated as a child.(作宾语)她不喜欢被当孩子对待。His dream was to be admitted to a good university.(作表语)他的梦想是被录取进入一所好大学。There are a lot of things to be discussed.(作定语)有许多事情要讨论。She was sent there to be trained for the space flight.(作状语)她
20、被派到那里接受航空飞行的训练。2.不定式的被动式有两种形式:to be done 表示动词不定式的动作在谓语动词之后或同时发生。to have been done 表示不定式的动作发生在谓语动词之前。She preferred to have been given more important work to do.她宁愿已经分给她更重要的工作了。3.不定式逻辑主语的确定:用不定式的主动式还是被动式取决于不定式动作与其逻辑主语的关系,所以找出不定式的逻辑主语很重要。1.一般是句子的主语。见例。2.作宾语补足语的不定式的逻辑主语是句子的宾语;见例。3.作定语的不定式的逻辑主语多是定语所修饰的词。
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