小学英语知识要点

小学英语知识要点小学英语必备知识要点大全1、可数名词有单数、复数之分，名词复数形式的构成规则：(1)一般在名词词尾加“S”女口：teacher—teacherseggeggs(2)以s,x,sh,ch结尾的名词加es女class---classesbox--boxesbus--buseswatch--watches以辅音字母+y的名词变y为i再加es如：story storieslibrary---libraries,dictionary dictionarieshobby---hobbies以f,fe结尾的名词，变f,fe为v加es如：life livesleaf---leaveshalf---halvesknife---kniveswolf-wolveswife---wives以o结尾的名词“英雄芒果土豆西红柿”加eshero---heroesmango---mangoespotato potatoestomato tomatoes其余力口s(目前所学的词)zoo zooskilokilosradio—radiosphoto---photospiano--pianos不规则名词单复数形式女口：child一childrenwoman womenman---menfoot---feettooth---teeth有的可数名词单、复数形式相同，女Japanese，Chinese，sheep,女口：Ihaveonesheep.Hehastwosheep.不可数名词没有复数形式不可数名词有：(1)milk,water,juice,tea,ice;(2)food,rice,meat,fish,chicken,bread,cheese(3)paper,newspaper,hair,time,money,homework,housework不可数名词的数量常表示女下twobottlesofmilkacupofjuicehalfakiloofcheeseabagofricethreekilosofmeatsomewater二、人称代词人称代词包括主格和宾格。主格在句中作主语，宾格用于动词或介词后作宾语。Wearegoingtohaveapicnic.Letusgo.ImisseveryoneinChina.Whocanhelpme?Whatishedoing?Heistryingtogetonthebus.Lookathim.Shecan'thear.Thisdoghelpsher.TellmemoreabouttheGreatWall.名词复数的'不规则变化child---childrenfoot---feettooth---teethmouse---miceman---menwoman---women注意：与man和woman构成的合成词，其复数形式也是-men和-women。女口：anEnglishman,twoEnglishmen.但German不是合成词，故复数形式为Germans;Bowman是姓，其复数是theBowmans。2） 单复同形女：deer,sheep,fish,Chinese,Japaneseli,jin,yuan,twoli,threemu,fourjin但除人民币元、角、分外,美元、英镑、法郎等都有复数形式。女:adollar,twodollars;ameter,twometers3） 集体名词,以单数形式出现,但实为复数。女口：peoplepolicecattle等本身就是复数，不能说apeople,apolice,acattle,但可以说aperson,apoliceman,aheadofcattle,theEnglish,theBritish,theFrench,theChinese,theJapanese,theSwiss等名词,表示国民总称时,作复数用。女口：TheChineseareindustriesandbrave.中国人民是勤劳勇敢的。4） 以s结尾,仍为单数的名词,女：m