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1、句型转换解题技巧及分类评析一.根据要求改写句子(四)主动句变被动句1.主动句变被动句第一步:要看时态,时态必须保持一致。第二步:把主动句的宾语改为被动句的主语,谓语动词由主动形式改为被动形式,主动句的主语成为介词by的宾语,放在句尾。For example:People keep sheep for producing wool.Sheep for producing wool people.答案解析:在主动句中people 是主语,是动词keep动作的执行者,sheep就是keep的承受者。在变被动语态时,把主动句中的宾语sheep变成被动句中的主语,主动句中的主语变被动句的宾语,其前加介词

2、by。谓语动词变过去分词。故正确答案为:are,kept,by。2主动句改为被动句,要注意谓语动词由主动形式变为被动形式时的各种变化,具体有以下几种变化:一般现在时的被动语态:am/is/are + 过去分词一般过去时的被动语态:was/were + 过去分词现在完成时的被动语态:have/has +been + 过去分词情态动词的被动语态 :can/may/must/+be + 过去分词一般将来时的被动语态:will/shall +be + 过去分词现在进行时的被动语态:am/is/are +being + 过去分词过去进行时的被动语态:was/were +being+ 过去分词过去完成时的

3、被动语态:had + been+ 过去分词For example:(1)Li Lei mended the bike。(改为被动语态)The bike_ _by Li Lei.答案解析:根据主句的时态,应转换为一般过去时的被动语态。结构为:was/were +过去分词。由于主语“the bike”是单数,故第一空填was;第二空填:mended(2)We should plant trees in spring(2005年四川考题)Trees should _ _in spring解析:本题要求是变成含有情态动词的被动语态,根据结构公式:情态动词+be +过去分词。正确答案为:be +plan

4、ted。3含有双宾语的主动句改为被动句时,一般把间接宾语改为被动句的主语,或者把直接宾语改为被动句的主语,在be done 后需加to或for。NOTE:(1)把直接宾语改为被动句的主语,间接宾语前加介词to的动词有:send/pass/write/give/show/bring/lend/sell/hand/tell等。(2)间接宾语前加介词for的动词有:buy/cook/make/order/choose/get/draw等。For example:My mother bought me a beautiful skirt yesterday I_ _a beautiful skirt

5、by my mother yesterday A beautiful skirt _bought_me by my mother yesterday答案解析:第一句是把间接宾语改为被动句的主语;应填:was,bought;第二句是把直接宾语改为被动句的主语,后要在间接宾语前加for,属于固定搭配,即:buy sth .for sb4在被动句中,感官动词(see,hear,watch等),使役动词(let,make,have等)后作宾语补足语的不定式前不加to,但在被动句中做主语补足语的不定式前必须加上to。For example:Jim heard his friend sing a song

6、 an hour ago。 His friend _ _ _sing a song by Jim。答案解析:hear是感官动词,在被动句中后面做主语补足语的不定式前要加to。故正确答案为:was,heard,to。 (五)直接引语变间接引语在做直接引语变间接引语时必须掌握它的一些规律,下面来归纳一下:1变化人称的一般规律:(1)直接引语中的第一人称变间接引语时,其人称与主句的主语一致。(2)直接引语中的第二人称变间接引语时,其人称与主句的宾语一致。(3)直接引语中的第三人称变间接引语时,其人称不变。For example:An English teacher asked his student

7、s,“Are you interested in my lessons?”An English teacher asked his students if_were interested in_ lessons。解析:根据语境,直接引语的第二人称you变间接引语时,其人称与主句的宾语一致,即变为they;直接引语中的第一人称my变为间接引语时其人称与主句的主语一致,即改为his。故正确答案为:they;his。2.注意时态的变化。一般规律是间接引语的时态相应向前推一个时态。 直 接 引 语 间 接 引 语一般现在时一般过去时一般过去时过去完成时现在进行时过去进行时一般将来时过去将来时现在完成时

8、过去完成时过去完成时过去完成时For example:The teacher said angrily,“Where have you been all these days?”The teacher asked me angrily where I_ _ all those days。解析:根据直接引语改为间接引语要注意时态变化的原则,现在完成时应变为过去完成时,因此have been变为had been。故正确答案为:had ,been。3.指示代词的变化。直接引语中的this变为间接引语时应改为that,复数these改为those. For example: Tim said to m

9、e,“This is the School Computer Center.” Tim said to me _ _was the School Computer Center.分析:句中出现了两个that.第一个that是连接词,第二个that是指示代词。由直接引语中的this而变的。故正确答案为:that; that.4.时间状语的变化时间状语的变化如下表所示:直 接 引 语间 接 引 语now 现在then 那时today 今天that day 那天this evening 今晚that evening 那天晚上yesterday 昨天the day before 前一天yesterda

10、y morning 昨天上午the morning before 前一天上午last night 昨天晚上the night before 前一天晚上two days ago 两天前two days before 两天前next week 下周the next week/the following week 第二周tomorrow 明天the next day/the following day 第二天the day before yesterday 前天two days before 两天前the day after tomorrow 后天in two days time/two days

11、after 两天后For example:Jane asked me,“Have you got anything on this evening?”(变间接引语)Jane asked me _I _ _anything on _解析:根据直接引语是一般疑问句来判断连接词为if/whether.故第一空填if/whether;直接引语中的时态为现在完成时时变间接引语时应改为过去完成时,故第二,三空填had ,got;同时时间状语也要作相应的变化,this evening变为that evening. 第四,五空填:that, evening.5.直接引语变间接引语的引导词与由简单句变为宾语从句

12、一样。有三种情况:that引导陈述句;一般疑问句或反意疑问句用if或whether;特殊疑问句用特殊疑问词来引导。这三种句型的语序都是用陈述语序。6.直接引语是祈使句,改为间接引语时成为不定式短语,而且谓语动词通常用ask/order等“祈求,命令”的动词。For example: Her mother said to her,“Finish your homework before watching TV.” Her mother asked her finish homework before watching TV.答案解析:根据直接引语变间接引语的规则,前面的said变为asked,第

13、一空填to;第二空要随宾语的变化而变化,故填her。NOTE:直接引语在下列三种情况时,即使主句是过去时,变间接引语时时态仍不变。a.表示客观真理的一般现在时.如:The physics teacher said,“Light travels much faster than sound.”The physics teacher said _ light _much faster than sound.解析:直接引语表示的是客观真理,变间接引语时时态不变,仍然用一般现在时,因此第二空填travels;第一空要用that来引导。故填:that.b.表示客观事实或经常发生的,习惯性的动作时时态不变

14、。如:Mike said,“My aunt is a worker”Mike said that _aunt_a worker.解析:第一空根据语境,把my改为his;第二空填is不变。c.直接引语是过去完成时,过去进行时,变间接引语时时态不变。如:She said,“I had finished working before supper.”She said that she_ _working before supper.解析:根据直接引语中的时态是过去完成时,变间接引语时不变,所以仍填had ;finished.(六)单数句子变复数句子1单数句子变复数句子就是把句在中的名词或代词变成复数

15、形式。如果主语变成了复数,相应地谓语动词也要注意其变化。如:This is an English book.(变复数句子)_ _ _English_解析:主语this应变为these。因此谓语动词由单数is变为复数are; an变为some用在肯定句中。名词book由单数变为books复数形式。2.在单数句子中,有表示性别的名词修饰名词时,变复数句子时两个名词同时变复数,不是表示性别的名词修饰时只变后面的名词为复数形式。如:There is a woman teacher in the office.There are some _ _in the office.解析:根据句意得知woman在

16、此修饰名词teacher,是表示性别的名词,因此两个名词同时变复数形式。故填:women;teacher.二.对划线部分提问 该类型的题目主要是考查学生对疑问句的结构,语序以及某些特定疑问句类型的掌握情况。解答这类题目,正确选择疑问词是关键:考生必须准确把握常见疑问词所提问题的侧重点。在中考中常见的提问句式有以下几种情况:对主语或表语的人提问时用who 语序分两种情况:(1)对主语提问时,语序为陈述语序。即:Who+谓语动词+? (2)对表语提问时,语序为一般疑问句语序。即:Who+系动词+主语+?For example:Tim looks like _his father. _ _Tim _

17、like?解析:在原句中look是系动词,his father 指人做look的表语,对其提问故用who。语序为一般疑问句语序。根据时态是现在时因此助动词用does,系动词looks变为原形look.正确答案为:Who; does ;look.(2)对宾语人提问用whom,口语中可用who来代替。For example:We should learn from Comrade Leifeng._ _ _Learn from?思路解析:根据题意得知:划线部分做动词短语learn from的宾语,指人。故用特殊疑问词whom或who;在此注意的是第一人称的we变为第二人称的you.因此正确答案为:

18、Whom/who ; should ;you.2.对物主代词或名词所有格提问,用特殊疑问词whose For example:The teacher is my brothers friend._ _ is the teacher?解析:在本题中名词friend前是一个名词所有格,对此提问应用whose. 句式结构为:Whose+名词+一般疑问句语序?故正确答案为:Whose; friend.3.对地点提问用where. For example:The little boys played football on the playground yesterday.(2005年济南考题)_ _T

19、he little boys _football yesterday?解析:划线部分的短语是表地点的。因此对此提问用where。句式结构为Where + 助动词+主语+谓语动词原形+?根据时态得知助动词为did。其正确答案为:Where ;did ;play4.对定语进行提用which。句型结构公式为:Which +名词+一般疑问句语序? For example:The girl who is reading English under the tree is my sister._ _is your sister?解析:本题考查对定语的提问。故用特殊疑问词which+名词girl.正确答案为

20、:Which; girl.5.对时间提问when/what time. When是对不具体时间提问;what time是对具体时间(点钟)提问;有时对具体时间提问也可用when. For example:(1)I arrived in Beijing last week.(对划线部分提问)_ _You arrive in Beijing?思路解析:划线部分last week是时间状语,对此提问用when,且为 一般过去时,故助动词为did.其正确答案为:When; did.(2)We usually get up at half past five in the morning.(对划线部分提

21、问)_ _ _You usually get up in the morning?解析:划线部分是具体时间早上的五点半。因此用特殊疑问词what time.且时态为一般现在时,故助动词为do.其正确答案为:What time ;do.6.对星期名称提问用what day.句型结构为:What day +一般疑问句语序? For example: It was Monday yesterday.(对划线部分提问)_ _Was it yesterday?答案解析:Monday是表示星期名称的词,对此提问用What day.故正确答案为:What day.7.对颜色提问用特殊疑问词what colo

22、r(什么颜色)。结构公式为:what color +一般疑问句语序? For example:She likes red clothes.(对划线部分提问)_ _ _She _clothes?答案解析:在本题中划线部分是表示颜色的单词,对此提问用what color.结构公式为:What color + be/助动词 +主语 +谓语动词原形?其正确答案为:What , color, does, like.8.对数量提问有两个特殊疑问词:how many/how much; how many是对可数名词前的数量进行提问;而how much是对不可数名词前的数量进行提问。除此之外how much还

23、对价钱进行提问。结构公式:(1)How many +可数名词复数 + 一般疑问句语序?(2)How much +不可数名词 +一般疑问句语序?(3)How much +一般疑问句语序?(对价钱提问)For example: 1There are forty workers in the factory.(对划线部分提问)_ _workers are there in the factory?2. The computer is 4980 yuan._ _is the computer?3.There is some water in the bottle._ _ _ Is there in t

24、he bottle?答案解析:在(1)中workers是名词复数,对此提问用how many.在(2)中划线部分是价格,因此应用特殊疑问词:how much.。第(3)题是考查对不可数名词前的数量提问,故用How much +不可数名词 +一般疑问句语序?因此正确答案为:How; much ; water.9.对方式,程度,身体状况的词提问用特殊疑问词how 。 结构公式为:How + 助动词 +主语 +谓语动词原形?For example: They went to the Summer Palace by bus two days ago._ _they _to the Summer Pa

25、lace?答案解析:本题对方式状语提问。对其提问用how。因原句中的时态为过去时,助动词应用did .那么第三空填went动词原形go.故正确答案为:How; did; go.10.对时间段提问用how long.(多久)如:for +时间段。since +句子。For example:I have taught in a Middle School since I came here._ _ _ I taught in a Middle School?答案解析:根据划线部分的题意得知间接的表示的是时间段。因此应用how long.原句是时态为现在完成时,时态不变。正确答案为:How; lon

26、g; have11.对将来的时间提问用how soon(多久)如:in+时间段 We will finish work in four days._ _will you finish work?答案解析:本题是对将来的时间段提问,故用How soon.12.对频率副词或短语及单位时间内的次数提问用how often (多久一次) For example: Henry went to visit his grandma every six days._ _did Henry go to visit his grandma?解析:该题考查“Henry 多久去看望grandma 一次?故用how o

27、ften.正确答案:How often.13.对重量,距离,长,宽等提问用how.句型为:How + 形容词(heavy/far/long/wide.) For example: Its about ten minutes walk from my home to school. _ _ is it from your home to school?解析:本题考查对距离的提问(大约十分钟的路程),对此提问用how far.答案为:How far.14.对because引导的原因状语从句提问用why(为什么) For example: Mrs. Read didnt sleep well las

28、t night because the wind made too much noise. _ _Mrs. Read _well last night?解析:本题是对because引导的原因状语从句提问应用疑问词why.答案为:Why didnt sleep. 三. 同义句的相互转换 这是句子改写的一种重要形式,它涉及面广,语言点多,方式灵活,是中考命题的热点。同义句的相互转换除了考查主动句与被动句,复合句与简单句之间的转换,直接引语变间接引语外,还有一些词或短语的替换,仅仅通过替换几个词或短语,而使句子意思不变,就能达到异曲同工之妙。常用方法有以下几种情况:1.用同义词(组)或近义词(组)改

29、写,如:enjoy oneself = have a good time; over = more than 2.用反义词(组)改写,如:the same as/different from; catch up with/fall behind 等 3.运用派生词或多义词改写:如:(1)The snow was heavy last night.(改写同义句)(2)It snowed heavily last night.思路解析:在(1)中snow是名词在句中做主语,was是be动词后跟形容词做表语。在(2)中snow是谓语动词,动词用副词来修饰。在本题中snow是多义词。4.用意义相同或相

30、近,但结构不同的句式改写。如:notso/as与lessthan; than any other与最高级;take(花费)与cost, spend, pay for 之间的改写。两类感叹句的转换;以及it 做形式主语等;5合并分句法,包括用eitheror, bothand, neithernor, not onlybut also等关联词合并,注意动词形式的变化。下面针对例题进行分析:1.They enjoyed themselves at the party. They _ _ _ _at the party.答案解析:根据题意得知,本题是考查同义词组的转换。Enjoy oneself =

31、 have a good time;故正确答案为:had a good time.同义句间的转换时态不变。2.Tom borrowed a story book from the boy just now.The boy _a story book _Tom just now.答案解析:这两个句子的主语做了变化,由此不难看出本题考查的是反义词组的转换。Borrowfrom与lend. To之间的转换。因此正确答案为:lent, to3.The rain was heavy yesterday evening. It _ _ yesterday evening.答案解析:句中出现了rain一词,

32、它是多义词,在第一句中做主语,而第二句中做主语的是it,这时rain就做了谓语动词,用副词来修饰。故答案为:rained, heavily4.John is the tallest student in his class. John is _than_ _ _in his class.答案解析:本题考查最高级与比较级之间的转换。原句为最高级,要改成比较级。根据句意“班里最高”也就是“比班里其他人都高”因此答案为:taller, any, other, student.5.He hasnt been to France. I havent been to France, either.(合成一

33、句,意思不变)_ he _I_been to France.答案解析:本题考查合并法变同义句。根据句意,我们得知我和他都没去过法国,因此用关联词neithernor(既不也不)合并。在这个短语中谓语动词要跟与nor邻近的主 保持一致。故正确答案为:Neither, nor, have.模 拟 演 练1.Are you tired today? My mother asked me.(变为间接引语)My mother asked me _I _tired _ _.2.Are you going to watch the football match next Sunday?” Father as

34、ked me.(同1)Father asked me _ _ _going to watch the football match the next Sunday.3.Linda asked John,“Where did you buy this new bicycle?”(同1)Linda asked John where _ _ _that new bicycle.4.You should speak to the old people politely.(变被动语态)The old people should _ _to politely.5. Who ate my bread? (同

35、4)By whom _my bread _?6.Miss King saw Bill helping a blind man cross the street yesterday afternoon.(同4)Yesterday afternoon Bill _ _ _a blind man cross the street _ _ _.7.There is a woman dress on the bed in Kates bedroom.(改为复数句子)There _ _ _ _on the bed in Kates bedroom.8.They are empty boxes.(改为单数句子) _ _empty_. 9.Not only Jack but also Mike has been to that island.(改为同义句)_Jack _Mike _been to that island.10.My cousin didnt draw as well as Mike.(同9) My cousin _ _than Mike.11.Its time for dinner.(同9) Its time_ _dinner. 12.The river is 10 meters wide.(对划线部分提问

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