五上英语知识点复习汇总

五上英语知识点汇总一、a,an的用法：元音开头的单词前用an,辅音字母开头的单词前用a。例如：Labook,anoldbook,anewbookanapple,abigappleanexpensiveshirt,acheapshirtanEnglishclass,amathclassanartroom,amusicroomananimal,asmallanimalanumbrella,aniceumbrella,anoldumbrellaanonion,abigonion二、am,is,are的用法：I用am,you用are,单数人称用is,复数人称用areoIamapupil.2.Youaretall.3.Heismyfriend.4.Sheisshort.5.Itisacarrot.6.Weareintheclassroom.7.Thetomatoesaredelicious.8.Themilkishealthy.三、have,has的用法：第三人称单数用has,除第三人称单数以外用have。1.Ihaveanewhat.2.Youhaveabook.3.Hehasblueshoes.4.Shehasaprettyskirt.5.Ithasalongnose.6.Wehaveabiglibrary.7.TheyhavebreadonMondays.8.MaryhasEnglishonMonday.四、some,any的用法：some用于肯定句或表示委婉语气的疑问句，any用于疑问句和否定句1.Ihavesomebooks.2.Wouldyoulikesometea?3.CanIhavesometea?4.Canyoudoanykungfu?5.Idon'thaveanynewbooks..Therearen,tanyducksintheriver..Arethereanychildrenintheschool?五、名词复数的变化规则.一般情况下，直接在词尾加-s,如：girl-girls,book-books,pen-pens.以s,x,sh,ch结尾的词，在词后加-es,如：class-classes,busbuses,glass一glasses,class-classes,dress-dresses,box-boxes,sandwich-sandwiches.以辅音字母+y结尾的，变y为i再加-es,如：butterfly-butterflies,library-libraries,baby-babies,strawberry-strawberries,candy-candies.以f或fe结尾的，变f或fe为v再加-es,如:knife-knives,scarf-scarves(scarfs).以o结尾的力口一es或一s,如：tomato-tomatoes,potato-potatoes,zoo-zoos,photo-photos,piano-pianos,radio-radios,.特殊变法：man-men,woman-women,snowman-snowmen,foot-feet,tooth-teeth,goose-geese,child-children,people-people,mouse-micesheep一sheep,fish-fish六、thereis,thereare的用法:表示某地有某物或某人。thereis+单数或不可数名词，thereare+复数Thereisabookonthedesk.Thereissomewaterinthecup.Therearesometreesneartheriver.注：就近原则：Thereisarulerandtwopensonthedesk.Therearetwopensandaruleronthedesk.七、can,can,t,let，s,don,t后面一定要用动词原形1.Shecansingasong.2.Ican'tplaythepipa.3.Don'tbelate!4.Let'splayfootball.八、句子的时态一般现在时态：表示经常发生的或习惯性的动作或目前的状态。规律:一般用动词原形，当主语为第三人称单数时，动词用三单形式。标志性的单词：always,usually,often,sometimes,everyday,如：Ioftenreadbooks.SheusuallywatchesTVathome.动词的三单形式：三单的变化规则与名词单数变复数的规则是一样的。一般情况下，直接在词尾加-S,如：play-plays,like-likes注意:do-does,go-goes,watch-watches,wash-washes,have-has九、句型转换1、肯定句变否定句：(1)动词be的句子则“be+not”，可缩写成"isn't,aren't"，但amnot不能缩写。肯定句：Sheistall.否定句：Sheisn'ttall.肯定句：Iamfunny.否定句：I'mnotfunny.(2)can的句子则“can+not”，可缩写成“can't"。肯定句：Icancleanmyroom.否定句：Ican'tcleanmyroom.(3)实意动词的句子：助动词do/does+not”，你也可以把它们缩写成“don't,doesn't”。助动词要根据人称来选择，其中“does”只用于主语是第三人称单数的情况。肯定句：IwatchTVafterschool.否定句：Idon'twatchTVafterschool.肯定句：ShewatchesTVontheweekend.否定句：Shedoesn'twatchTVontheweekend.2、肯定句变一般疑问句(1)把动词be调到首位，句号变成问号。肯定句：Thereissomewaterinthebottle.一般疑问句：Isthereanywaterinthebottle?(2)把can调到首位，句号变成问号。肯定句：Icanswim.一般疑问句：Canyouswim?⑶在句首加上一个助动词(do,does)再把紧跟在后面的动词变回原形，句号变成问号。肯定句：Icookdinnerintheevening.一般疑问句：Doyoucookdinnerintheevening?肯定句：Shelikesnoodles.一般疑问句：Doesshelikenoodles?十、易错短语和句式play+the+乐器名称，play+球类名称playthepiano,playthepipa9playtheviolin?playtheguitarplayfootball?playbasketball,playsportsgo+动词ing形式（去做什么）goswimming,gofishing,goshoppings。boatingliketea.Ifshealthy.Iliketomatoes.They9refresh..Thereisaplantintheroom.Therearetwoplantsintheroom..What'sshelike?She,skind.Whatdoesshelike?Shelikesapples.Whatwouldyoulike?She5dlikesomeeggs..WhatdoyoudoonSunday?!oftendomyhomework.WhatcanyoudoonSunday?!canwatchTVathome.WhatdoyouhaveforlunchonSunday?Ihavesomeri