新概念英语第一册语法重点难点汇总.doc
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1、新概念英语第一册语法重点难点汇总新概念一册语法点汇总第一部分:时态8种一般现在时,现在进行时,一般过去时,现在完成时,一般将来时,过去进行时,过去完成时,过去将来时1.一般现在时表示一般性,经常性的动作或一般性事实。(1)含有be动词的句子Thegirlisverybeautiful.TimandJackarestudents.变疑问句三步骤:将be动词移到句首,首字母大写,句号变问号。Isthegirlverybeautiful?AreTimandJackstudents?变否定句在be动词后面加notThegirlisnotverybeautiful.TimandJackarenotstu
2、dents.肯定回答及否定回答Yes,sheis.No,sheisnot.Yes,theyare.No,theyarenot.(2)不含有be动词的句子,即含有一般动词的句子第三人称单数及单数名词Shelikeshim.Thedoglikesbones.变疑问句三步骤:在句首加does,动词变为原型,问号变句号。Doesshelikehim?Doesthedoglikebones?变否定句在主语及动词之间加doesnt,动词变为原型,原句中的动词不再有第三人称变化:有了助动词的帮助,句中动词变回原形!Shedoesntlikehim.Thedogdoesntlikebones.肯定回答及否定回
3、答:Yes,shedoes.No,shedoesntYes,itdoes.No,itdoesnt.注意:第三人称单数形式一般在动词后面加S,不要和名词复数混淆,变否定句或疑问句时名词复数没有任何变化。其他人称及复数名词Iwanttohaveabath.Wehavesomemeat.Thestudentslikesmartteachers.变疑问句:在句首加do,句号变问号。Doyouwanttohaveabath?Dowehaveanymeat?Dothestudentslikesmartteachers?变否定句在主语和动词之间加dont.Youdontwanttohaveabath.Wed
4、onthaveanymeat.Thestudentsdontlikesmartteachers.肯定回答及否定回答Yes,Ido.No,Idont.Yes,wedo.No,wedontYes,theydo.No,theydont.2.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doingWearehavinglunch.Heisreadingabook.Thedogisrunningafteracat.Theboysareswimmingacrosstheriver.变疑问句将be动词移到句首Arewehavinglunch?Ishereadingabook?Isth
5、edogrunningafteracat?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
6、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3.一般过去时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wereIwasatthebutchers.Youwereastudentayearago.Theteacherwasverybeautifultenyearsago.变疑问句将be动词移动到句首Wereyouatth
7、ebutchers?Wereyouastudentayearago?Wastheteacherverybeautifultenyearsago?变否定句在be动词后面加notIwasnotatthebutchers.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?不含有be动词的句子,将动词变为过去式If
8、inishedmyhomeworkyesterday.Theboywenttoarestaurant.TheSawyerslivedatKingStreetayearago.变疑问句三步骤:在句首加did,动词变为原型,句号变问号。Didyoufinishyourhomeworkyesterday?Didtheboygotoarestaurant?DidtheSawyersliveatKingStreetayearago?变否定句在主语和动词之间加didnotIdidnotfinishmyhomeworkyesterday.Theboydidnotgotoarestaurant.TheSawy
9、ersdidnotliveatKingStreetayearago.肯定回答及否定回答Yes,Idid.No,Ididnt.Yes,hedid.No,hedidnt.Yes,theydid.No,theydidnot.4.现在完成时构成:主语+助动词have,has+过去分词done用法:1)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)Theb
10、oyhasalreadyreadthebook.(已经知道书的内容了,不用再看了)2)询问别人是否做过某事一般用现在完成时:Haveyoufinishedyourhomework?HaveyoubeentoBeijing?Haveheseenthefilm?3)表示开始于过去并持续到现在的动作IhavelivedinBeijingfortwentyyears.Ihaveworkedforthisschoolfor1year.4)表示一种经历,经验:去过地方,做过事情,经历过事情Ihaveneverhadabath.Ihaveneverseenafilm.Ihaveneverbeentocine
11、ma.IhaveeverbeentoParis.Havebeento表示去过,havegoneto表示去了IhavebeentoLondon.(人已经回来)HehasgonetoLondon.(人还在那里)5)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
12、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:IveleftBeijingfor3days.对:IleftBeijing3daysago.Ihavebeenawayfrombeingfor3days.5.一般将来时表示将来将要发生的动作,经常和tomorrow,nextyear,thedayaftertomorrow,theyearafterthenext,infivehourstime,etc.表示将来的词联用结构:
13、主语+助动词will+动词原形doIwillgotoAmericatomorrow.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.Thepi
14、lotwillnotflytoJapanthemonthafterthenext.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?6.过去完成时用法:在过去的时间里,两个动作中,发生在前的哪个动作要用过去完成时。结构:主语+助动词had+过去分词doneAftershehadfinishedherhomework,shewentshoppin
15、g.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。变疑问句将助动词移到句首Hadshefinishedherhomework?变否定句在助动词后面加notShehadntfinishedherhomework.肯定回答及否定回答Yes,shehad.No,shehadnt.特殊疑问句:Whathadshedone?7.过去进行时表示过去正在进行的动作,经常用在when,while,as引导
16、的状语从句中。结构:主语+was/were+现在分词doingWhenmyhusbandwasgoingintothediningroomthismorning,hedroppedsomecoinsonthefloor.Whilewewerehavingdinner,myfatherwaswatchingTV.8过去将来时结构:主语+would+动词原形doShesaidshewouldgoherethenextmorning.两个特殊句型:therebe句型,begoingto结构1)Begoingto结构表示打算,准备,计划做某事结构:主语+be动词+goingto+动词原型Iamgoin
17、gtomakeabookcase.Theyaregoingtopaintit.Thefatherisgoingtogivethebookcasetohisdaughter.变疑问句将be动词移到句首Areyougoingtomakeabookcase?Aretheygoingtopaintit?Isthefathergoingtogivethebookcasetohisdaughter?变否定句在be动词后面加notIamnotgoingtomakeabookcase.Theyaregoingtopaintit.Thefatherisnotgoingtogivethebookcasetohis
18、daughter.肯定回答及否定回答Yes,Iam.No,Iamnot.Yes,theyare.No,theyarenot.Yes,heis.No,heisnot.特殊疑问句Whatareyougoingtodo?Whataretheygoingtodo?Whatisthefathergoingtodo?(必背)2)Therebe句型表示哪里有什么东西(某处有某物)Thereis+单数名词+表示场所的词(一般为介词词组)Thereisabookinthisroom.ThereisapenonthetableThereare+复数名词+表示场所的词(一般为介词词组)Therearetwopens
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