2020小学英语语法知识点汇总.docx

2020小学英语语法知识点汇总1.人称代词主格：Iweyousheheitthey宾格：meusyouherhimitthem形容词性物主代词：myouryourherhisitstheir名词性物主代词：mineoursyourshershisitstheirs2.形容词和副词的比较(1)一般在形容词或副词后+erolder,taller,longer,stronger(2)多音节词前+moremoreinteresting,etc.(3)双写最后一个字母，再+erbiggerfatter,etc.(4)把y变i，再+erheavier,earlier(5)不规则变化：well-better,much/many-more,etc.3.可数词的复数形式Mostnouns+sabook–booksNounsendinginaconsonant+y-y+iesastory—storiesNounsendingins,sh,chorx+esaglass—glassesawatch-watchesNounsendingino+sor+esapiano—pianosamango—mangoesNounsendinginforfe-forfe+vesaknife–knivesashelf-shelves4.不可数名词(单复数不变)bread,rice,water,juice等。5.缩略形式I’m=Ia，you’re=youare，she’s=sheis，he’s=heisit’s=itis，who’s=whois，can’t=cannot，isn’t=isnot等。6.a/anabook,apeachanegg，anhour7.Prepositionon,in,infrontof,between,nextto,near,beside,at,behind.表示时间：atsixo’clock,atChristmas,atbreakfastonMonday，on15thJuly，OnNationalDayintheevening，inDecember，inwinter8.基数词和序数词one–first，two-second，twenty-twentieth9.some/anyIhavesometoysinmybedroom.Doyouhaveanybrothersorsisters?10.be动词(1)Basicform:am/are/is(2)肯定和否定句Iam(not)fromLondon.Myeyesare(not)small.Myhairis(not)long.(3)一般疑问句：AmIaChniese?Yes,youare.No,youaren’t.AretheyAmerican?Yes,theyare.No,theyaren’t.Isthecatfat?Yes,itis.No,itisn’t.11.therebe结构肯定句：Thereisa…Thereare…一般疑问句:Isthere…?Yes,thereis./No,thereisn’t.Arethere…?Yes,thereare./No,therearen’t.否定句：Thereisn’t….Therearen’t….12.祈使句SitdownpleaseDon’tsitdown,please.13.现在进行时通常用“now”.形式：be+verb+ingeg:Iam(not)doingmyhomework.You/We/Theyare(not)reading.He/She/Itis(not)eating.动词—ing的形式Mostverbs+ingwalk—walkingVerbsendingine-e+ingcome—comingShortverbsendinginavowel+aconsonantrun–runningswim—swimming14.一般现在时通常用“usually,often,everyday,sometimes”。肯定句：Igotoschoolonfooteveryday.Shegoestoschoolonfooteveryday.一般疑问句:Doyoujumphigh?Yes,Ido./No,Idon’t.Doeshejumphigh?Yes,hedoes./No,hedoesn’t.否定句：Wedon’tgotoschoolonSundays.Mymotherdoesn’tlikewatchingTVintheevening.15.情态动词can,must,should后面直接用动词原形。eg:1.I/He/She/Theycansing.2.Youshouldkeepquietinthelibrary.16.一般过去时态(a)be动词的过去