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高三高考英语语法复习知识点总结高三高考英语语法复习知识点总结「篇一」
一、不定式做主语
1、不定式做主语一般表示具体的某次动作动名词doing表示习惯的,经常的动作e.g:TofinishthebuildinginamonthisdifficultoTodosuchthingsisfoolishoToseeistobelieve.对等注
1.不定式作主语时,谓语用单数
2.当主语较长,谓语较短时,常用it做形式主语,而将不定式放到谓语的后面it做形式主语,不定式放在谓语动词之后常用于下列结构中1Itis/was+adj.+ofsb.todo2Itis+adj.+forsb.+todoItiseasy/difficult/hard/foolish/unwise/right/wrong/unnecessary3itis+a+名词+todoItisapity/apleasure/apleasantthing/one sduty/anhonor/ashame/acrime/noeasyjobtodoIttakes(sb.)sometime/courage/patiencetodoItrequirescourage/patience/hardworktodo注意:probable和possible均可作表语,但possible可以用不定式作真实主语,而probable不能用不定式作真实主语Itisprobableforhimtocometothemeeting.(错)ItispossibleforhimtocometothemeetingoItispossible/probablethathewillcometothemeetingo高三高考英语语法复习知识点总结「篇二」代词it、one、that的用法与区别One泛指,指代前面提到的那类人或物,用于指代可数名词,相当于a+名词单数,其复数形式nes前一般要有定语,否则就要用someThat(those复数)即可指代不可数名词,表特指,相当于the+名词,后面经常与介词修饰语连用?It指代上文出现的名词,表示同类同物,另外还可表示时间、距离、天气、还可指代人称代词,表示性别身份不明,可作形式主语,形式宾语,引导强调句式以及一些固定搭配,如getitcatchitmakeit例如
①?IhavelostmywatchIthinkImustbuyone.我丢了只表,我想我必须再买一只(代指上文指到的同类事物,但不指同一个)?
②?WhereismypenHaveyouseenit我的钢笔不知弄到哪去了,你见了吗?(代指上文提到的同一事物)?
③?ThelandofChinaislargerthanthatofAmerica
(4)Tomehasaredpenandablueone(或twoblueones)
⑤?Hehasnochi ldandhewantstoadoptone(或?some)高三高考英语语法复习知识点总结「篇三」none、all的用法a.All hasbeen done.(作主语,表示“所有事”谓动用单数)All arepresent.(作主语,表示“所有人谓动用复数)b.None of the girlsin ourclass like/likes footballo注意在回答what/who问句时,用nothing/nobody;而在回答how many/IIow much问句时用none0Who isin theclassroom Nobody.What isin yourhand NothingoHowmuch moneydo youhave Noneeveryeach的使用1)eveiy只能修饰名词,而each既可修饰名词,也可作名词使用eg:every dayeach classroomeach ofthe student2)在单独作主语、同位语、宾语时只用eacha.Here areenough glasses.Each ofyou canget oneb.We eachshould listento the teachers carefully3)every能表达“每隔”的含义,而each则不能every threedays每3天、每隔2天every fewyears每隔几年every otherday/week/line每隔1天/I周/I行4)every与one连用,可用of修饰(要分开写)every oneof us我们中的每一人each ofus我们中的每一人every oneofthe books这些书中的每1本each ofthebooks这些书中的每1本高三高考英语语法复习知识点总结「篇四」名词性从句相当于名词,可分别作主句的主语、表语、宾语和同位语因此,名词性从句厅分为主语从句、表语从句、宾语从句和同位从句
(一)引导名词性从句的连接词
1、连接代词who,whose,whom,what,whicho有词义,在从句中担任成分,如主语、表语、宾语、或定语等
2、连接副词when,where,why,how有词义,在从句中担任成分,作状语
3、连接词that,whether,if,as ifthat无词义,在从句中不担任成分,o有时可省略;if(whether),as if虽有词义,但在从句中不担任成分注意连接代词与连接副词在句中不再是疑问句,因而从句中谓语不用疑问式连接代词与连接副词在从句充当句子成分,连接词whether和if(是否),as if(好象)在从句中不充当句子成分,只起连接作用根据句义,如果连接代词与连接副词,whether、if和as if都用不上时,才用that作连接词(that本身无任何含义)
(二)主语从句
1、主语从句在复合句作主语e.g.Who willgo isnot importanto
2、用it作形式主语,主语从句放在句末e.g.It doesntmatter somuch whether you willcome or not
3、that引导主语从句时,不能省略e.g.That hesuddenly fellill lastweek madeus surprisedo
(三)表语从句
1、表语从句在复合句中作表语,位于系动词之后e.g.The questionwas whocould gothereo
2、引导表语从句的.连接词that有时可省去e.g.My ideais that we canget morecomrades tohelp inthe worko
(四)宾语从句
1、宾语从句在复合句中作宾语引导宾语从句的连词that一般可省略e.g.I hope(that)everything isall righto
2、介词之后的宾语从句,不可用which或if连接,要分别用what或whetheroe.g.r minterested inwhether youvefinished theworkor minterested inwhat youvesaid
3、whether与if都可以引导宾语从句,常可互换但下面情况不能互换
①宾语从句是否定句时,只用if,不用whethere.g.I wonderif itdoesn,t rain
②用if会引起误解,就要用whethere.g.Please letme know whetheryouwant togo.(此句如果把whether改成if,容易当成条件句理解)
③宾语从句中的whether与or not直接连用,就不能换成if;不直接连用,可换e.g.I dont knowwhetherornotthe report is trueIdon,tknowwhether/if thereportistrue ornoto
④介词后的宾语从句要用whether引导whether可与不定式连用whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if但引导条件从句时,只能用if,而不能用whethere.g.It dependson whetherwe haveenough timeTheydont knowwhether togo therePleasecome tosee meif youhave time
(五)同位语从句同位语从句在句中作某一名词的同位语,一般位于该名词(如news,fact,idea,suggestion,promise等)之后,说明该名词的具体内容e.g.I haveno ideawhen hewill bebackoThe fact that hehad notsaid anythingsurprised everybody0高三高考英语语法复习知识点总结「篇五」条件状语从句引导词:if(如果),unless(除非),if only(只要,但愿),only if(只有),in case(万一),suppose/supposing(that)(假设),provided/providing(that)(只要,假若),on conditionthat(要是,在条件下),so/as longas(只要),(let,s/let us)say(假设)方式状语从句引导词as(像一样,正如),as if/as though(好像,宛如)注意
1、固定句型A is to Bwhat CistoD.意为“A对B而言正如C对D一样”
2、as if,as though引导的从句若与事实相反,用虚拟语气;若与事实相符,不用虚拟语气让步状语从句引导词:though/although/as(虽然,尽管),even if/though(即使,尽管),whether/no matterwhether,or(not)(不管是否,不管是还是)wh-ever/no matterwh-(无论)注意
(1)though,although,as的区别、Though,although的主句中可以用yet,still,nevertheless,但不可使用butAoB、though引导的从句可以倒装,也可以不倒装;as引导的从句必须倒装;although引导的从句不能倒装其结构为形容词/分词/副词/动词原形/名词(无冠词)+as/though+主语+谓语
(2)though可用作副词,放在句末,意为“不过,但是Although无此用法
(3)某些短语也引导让步的从句或短语,意为“尽管”,如in spiteof thefactthat,despite the factthat,regardless of(thefactthat)高三高考英语语法复习知识点总结「篇六」用固定的情态动词表示的虚拟语气
1.should+动词原形有时省略should1用在动词如advise,command,demand,desire,insist,order,propose,recommend,request,require,suggest,urge等后的宾语从句中例如lThey requestedthatwe should senda delegationto theircountryo2She urgedthat hewrite andaccept theposto⑵用在it issuggested,it isdesired,it isrequired,it wasordered,itwas proposed,it hasbeen decided,it isnecessary essential,imperative,important,desirable that等弓|出的.主语从句中例如1It isdesired thatweshouldget everythingready bytonighto2It isnecessary thattheteachershould havea thoroughknowledge ofthesubject heteacheso⑶用在suggestion,motion,proposal,order,recommendation,plan,idea,requirement等引起的表语从句和同位语从句例如He puthis coatover thechild lesthe shouldcatch coldo。