小学五年级英语语法

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小学五年级英语语法特殊疑问句表示疑问,有疑问词(在开头),回答有很多种可能。常用疑问词:疑问词意思用法Whattime什么时间问具体时间,如几点钟Who谁问人Whose谁的问主人Where在哪里问地点What什么问东西、事物Whatcolour什么颜色问颜色Howold多大年纪问年纪Howmany多少数量(可数名词)问数量Howmuch多少钱;多少数量(不可数名词)问多少钱或数量(不可数)一般疑问句如何将一个肯定的陈述句改为一般疑问句:1、看句中有无be动词,如有,把be动词提到句首即可。2、看句中有无情态动词,如有,把情态动词提到句首即可。3、如上述二者都没有,就应把助动提到句首。分四个步骤:(1)肯定陈述句中本来是没有助动词的,要加上去,位置在主语(某人或某物)后,动词前。(2)确定助动词用do还是does,根据句中动词,动词是原形的助动词就用do,动词是第三人称单数的助动词就用does(3)把助动词后提到句首。(4)原句中动词假如发生变化就要恢复成原形。强调一点,有some的要考虑是否要用any。一般将来时表示将来将要发生的动作,经常和tomorrow,nextyear,thedayaftertomorrow,theyearafterthenext,infivehours'time,etc.表示将来的词联用。结构:主语+助动词will+动词原形IwillgotoAmericatomorrow.ThepilotwillflytoJapanthemonthafterthenext.Jackwillmoveintohisnewhousetomorrowmorning.★变疑问句将助动词移到句首WillyougotoAmericatomorrow?WillthepilotflytoJapanthemonthafterthenext?WillJackmoveintohisnewhousetomorrowmorning?★变否定句在助动词后面加notIwillnotgotoAmericatomorrow.ThepilotwillnotflytoJapanthemonthafterthenext.Jackwillnotmoveintohisnewhousetomorrowmorning.★肯定回答及否定回答Yes,Iwill./No,Iwillnot.Yes,he/shewill./No,he/shewillnot.Yes,hewill./No,hewillnot.★特殊疑问句Whatwillyoudo?现在进行时表示现在正在进行的动作。构成:主语+be动词+动词的现在分词+其它成分Wearehavinglunch.Heisreadingabook.Thedogisrunningafteracat.Theboysareswimmingacrosstheriver.★变疑问句将be动词移到句首Arewehavinglunch?Ishereadingabook?Isthedogrunningafteracat?Aretheboysswimmingacrosstheriver?★变否定句在be动词后面加notWearenothavinglunch.Heisnotreadingabook.Thedogisnotrunningafteracat.Theboysareswimmingacrosstheriver.★特殊疑问句:what,which,how,where,who,etc.疑问词+动词+主语+现在分词Whatareyoudoing?Whatisshedoing?Whatisthedogdoing?没有进行时的动词(必背)表示状态,思想,感情和感觉的动词不能表示正在进行的动作1.表示感觉,感官的词see,hear,like,love,want,2.have,has当”拥有”讲时没有进行时过去式表示过去发生的动作或事件常和表示过去的时间状语连用,如yesterday,lastnight,thedaybeforeyesterday,3daysago,含有be动词的句子,将动词变为过去式,am,is的过去式为was,are的过去式为wereIwasatthebutcher’s.Youwereastudentayearago.Theteacherwasverybeautifultenyearsago.★变疑问句将be动词移动到句首Wereyouatthebutcher’s?Wereyouastudentayearago?Wastheteacherverybeautifultenyearsago?★变否定句在be动词后面加notIwasnotatthebutcher’s.Youwerenotastudentayearago.Theteacherwasnotverybeautifultenyearsago.★肯定回答否定回答Yes,Iwas.No,Iwasnot.Yes,youwere.No,youwerenot.Yes,he/shewas.No,he/shewasnot.★特殊疑问句:Whatdidyoudo?(必背)不含有be动词的句子,将动词变为过去式Ifinishedmyhomeworkyesterday.Theboywenttoarestaurant.TheSawyerslivedatKingStreetayearago.★变疑问句在句首加did,动词变为原型Didyoufinishyourhomeworkyesterday?Didtheboygotoarestaurant?DidtheSawyersliveatKingStreetayearago?★变否定句在主语和动词之间加didnotIdidnotfinishmyhomeworkyesterday.Theboydidnotgotoarestaurant.TheSawyersdidnotliveatKingStreetayearago.★肯定回答及否定回答Yes,Idid.No,Ididn’t.Yes,hedid.No,hedidn’t.Yes,theydid.No,theydidnot.现在完成时构成:主语+助动词have,has+过去分词用法:2)表示过去发生的和现在有某种联系的动作,常和just,usually,already,since等时间副词连用Ihavejusthadlunch.(饱了,不用再吃了)Hehashadacupoftea.(不渴了,不用再喝)Theyhavealreadyhadtheirholiday.(不能再度假了)Theboyhasalreadyreadthebook.(已经知道书的内容了,不用再看了)3)询问别人是否做过某事一般用现在完成时:Haveyoufinishedyourhomework?HaveyoubeentoBeijing?Haveheseenthefilm?4)表示开始于过去并持续到现在的动作IhavelivedinBeijingfortwentyyears.Ihaveworkedforthisschoolfor1year.5)表示一种经历,经验:去过…地方,做过…事情,经历过…事情Ihaveneverhadabath.Ihaveneverseenafilm.Ihaveneverbeentocinema.IhaveeverbeentoParis.Havebeento表示去过,havegoneto表示去了IhavebeentoLondon.(人已经回来)HehasgonetoLondon.(人还在那里)6)表示一种结果,一般不和时间副词联用Ihavelostmypen.Ihavehurtmyself.Hehasbecomeateacher.Shehasbrokenmyheart.句型变化:★变疑问句将助动词移到句首,变否定句在助动词后面加not.e.g.Haveyoulostyourpen?Ihavenotlostmypen.★肯定回答及否定回答Yes,Ihave.No,Ihavenot.★特殊疑问句:Whathaveyoudone?Whathashedone?一般过去时与现在完成时的区别:凡是有明确的表示过去的时间状语的句子为过去时注意:有些动词表示的动作有一个终点,不能再延续,因此不能和表示一段时间状语连用错:I’veleftBeijingfor3days.对:IleftBeijing3daysago.Ihavebeenawayfrombeingfor3days.过去完成时用法:在过去的时间里,两个动作中,发生在前的那个动作要用过去完成时。结构:had+过去分词Aftershehadfinishedherhomework,shewentshopping.TheyhadsoldthecarbeforeIaskedtheprice.ThetrainhadleftbeforeIarrivedatthestation.After/before引导的时间状语从句放在句首要在句子后面加逗号,如果放在主句后则不用加。1.变疑问句将助动词移到句首Hadshefinishedherhomework?2.变否定句在助动词后面加notShehadn’tfinishedherhomework.3.肯定回答及否定回答Yes,shehad.No,shehadn’t.4.特殊疑问句:Whathadshedone?名词这里强调两点:不可数名词都默认为单数,所以总是用is名词复数如何加后缀:各种不同情况变化方法例词一般情况直接加-sbook-booksbag-bagscat-catsbed-beds以s.x.sh.ch结尾加-esbus-busesbox-boxesbrush-brusheswatch-watchespeach—peachesglass--glasses以“辅音字母+y”结尾变y为i,再加-esfamily-familiesstudy--studies以“f或fe”结尾变f或fe为v,再加-esknife-knives不规则名词复数man-menwoman-womenpoliceman-policemenpolicewoman-policewomenmouse-micefoot-feetchild-childrenfish-fishChinese-Chinese人称代词和物主代词人称代词物主代词单数复数单数复数主格宾格主格宾格形容词性形容词性第一人称I(我)mewe(我们)usmy(我的)our(我们的)第二人称you(你)youyou(你们)youyour(你的)your(你们的)第三人称he(他)himthey(他/她/它们)themhis(他的)their(他/她/它们的)she(她)herher(她的)it(它)itit(它的)小学五年级英语重点语法归纳1:first是序数词,与the相连,解释为第一。2:像first,term,world作为词组出现时前面要加the。3:all所有;后面的可数名词用复数形式,be动词用are。4:any一些;用在否定句和一般疑问句中,与some同义。some用在肯定句中。5:therebe+数词,采用就近原则。6:amapofChina与amapoftheworld要牢记。7:要用onthewall,不能用inthewall。门、窗在墙上才能用inthewall。8:can后+动词原形。9:play+the+乐器;play+球类;10:like的用法+可数名词复数形式(指一类的东西)。+this+名词单数。+some+不可数名词。+动词ing形式(动名词)。11:动词变动名词形式方法:A--直接在动词后面+ing形式(大多数)。B--以不发音的e结尾的,要去掉e后再+ing,比如:dancing,making,riding。C--重读be音节,末尾只有一个辅音,须双写末尾的字母后再+ing如:running,swimming,sitting,putting。12:现在进行时的构成:be动词+动词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