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二年级下英语知识点1)名词复数形式直接加s:carsvansbeescowsbicycles……加es:bus-buses;box-boxes;watch-watches;peach-peachesy结尾---1)去y加ies:butterfly-butterflies;ferry-ferries;cherry-cherries2)直接加s:boy-boys,toy-toysf(e)结尾---1)去f加ves:wolf-wolves;leaf–leaves2)直接加s:giraffe-giraffes,(roof-roofs)2)动词V+ing形式直接加ing:eating;drinking;climbing;sleeping;reading;fighting;singing;cooking;flying;doing;touching;crying;drawing;jumping;playing双写加ing:run-runningswim-swimmingskip-skippingsit-sittinghop-hopping去e加ing:ride-riding;make-making;take-taking;write-writing;dance-dancing;skate-skating;drive-driving;3）缩写形式cannot=can’tIam=I’mYouare=You’reTheyare=They’reHeis=He’sSheis=She’sItis=It’sWeare=We’rearenot=aren’tisnot=isn’tdonot=don’t4)同音词to-too-two;four-for;sea-see;hear-here;be-bee;by-bye-buymeat-meet;write-right5）反义词(一般放在句子中填空)tall--shortbig—smalllong—shortrough—smoothsoft—hardblack—whiteon—underhot-coldwarm-coolstop-gokind-unkindhelpful-unhelpfulfriendly-unfriendly6)同类词(一般放在句子中填空,要注意单复数,或ing形式)动物:giraffe,snake,elephant,zebra,bear,monkey,dog,fish,wolf食物:salad,carrot,fish,chicken,banana,soup,meat,hamburger,pizza,noodles,rice交通工具:bus,minibus,schoolbus,ferry,ship,MTR,LRT,tram,train,van,bicycle,颜色:white,purple,pink,orange,brown,black,red,blue,yellow,blue,green动词：run,skate,hop,skip,ride,fly,play,draw,write,sing,dance,climb,drink,make,形容词：soft,hard,rough,smooth,tall,short,big,small,fat,thin,数词:one,two,three,four,five,six,seven,eight,nine,ten,eleven,twelve,twenty季节:spring,summer,autumn(fall),winter天气:warm,hot,cool,cold,rainy,sunny,windy,cloudy,7)不可数名词没有复数(用/表示)grasssoupsaladfishchickenmeatricebreadhairwaterjuicejam8)动词搭配likedoing…喜欢做某事am/is/aredoing…正在做某事godoing…去做某事cando…会做某事Let’sdo…让我们一起做某事9)主格—宾格I–meyou—youhe—himshe—herit–itwe—usthey—them10)what句型Itisorange.Whatcolourisit?Itisanorange.Whatisit?Theyareorange.Whatcolourarethey?Theyareoranges.Whatarethey?MynameisAlice.Whatisyourname?Mytelephonenumberis34554876.Whatisyourtelephonenumber?Ilikeeatingcarrots.Whatdoyoulikeeating?11)how句型Iamseven.Howoldareyou?Icometoschoolbybus.Howdoyoucometoschool?Fiveboys.Howmanyboyscometoschoolbycar?Howmany+复数12)where句型IliveinShanghai.Wheredoyoulive?13)inon用法inHongKonginShanghaiinPudonginWanChaionHongKongIslandonHainanIsland14)onby用法bybusbycarbybicycleonfoot15)关于too和also替换Iamreadingtoo.=Iamalsoreading.IcanreadEnglishbookstoo.=IcanalsoreadEnglishbooks.IlikeEnglishtoo.=IalsolikeEnglish.HecomestoschoolbyMTRtoo.=HealsocomestoschoolbyMTR.16)关于likeeating…喜欢吃一类东西时,只有两种情况:1)…likeeating+不可数名词(rice,bread,salad,…)2)…likeeating+可数名词复数(carrots,bananas,apples,hamburgers…)17)关于like+doing喜欢做某事likeswimming,likeriding,likesinging,likereading,likeskating…---Whatdoyoulikedoinginwinter?---Ilikeskatingontheice.18)关于否定句1)be(am,is,are)+noteg.Iamnottall.Heisn’ttall.Wearen’ttall.2)can+noteg.Hecan’tskate.3)Idon’tlikeeg.Idon’tlikeeatingcarrots.19)关于一般疑问句1)看到be动词(am,is,are),就把be动词提前.注意:I’m,We’re变Areyou…?2)看到can,就把can提前.注意:Ican,Wecan变Canyou…?3)看到like就把助动词do提前.注意:Ilike,Welike变Doyoulike…?