1、小學(xué)三四年級(jí)英語(yǔ)語(yǔ)法匯總小學(xué)三四年級(jí)英語(yǔ)語(yǔ)法匯總物主代詞數(shù)人稱主格賓格所有格形容詞性物主代詞名詞性物主代詞反身代詞第一人稱我Imemyminemyself第二人稱你youyouyouryoursyourself他hehimhishishimself她sheherherhersherself單數(shù)第三人稱它itititsitsitself第一人稱我們weusouroursourselves第二人稱你們youyouyouryoursyours

2、elves復(fù)數(shù)第三人稱他們她們它們theythemtheirtheirsthemselves一、陳述句定義:是用來(lái)陳述一件事情或表示一種看法，可分為肯定句和否定句兩種形式。1、謂語(yǔ)動(dòng)詞是be動(dòng)詞助動(dòng)詞dohavehas情態(tài)動(dòng)詞can等時(shí)，只要直接在這些詞后面加not就構(gòu)成否定形式。eg.Lilyhasalreadyreadthisnewbook.(改為否定句)Lily____________thisnewbook________.2、謂

3、語(yǔ)動(dòng)詞是行為動(dòng)詞而又沒有助動(dòng)詞或情態(tài)動(dòng)詞時(shí)，必須在謂語(yǔ)動(dòng)詞前加助動(dòng)詞，一般現(xiàn)在時(shí)加助動(dòng)詞do，第三人稱單數(shù)加does，一般過(guò)去時(shí)加did，再和not構(gòu)成否定結(jié)構(gòu)。必須指出的是：dontdoesntdidnt后都用動(dòng)詞原形。eg.1)Jillhaslunchatschooleveryday.(改為否定句)Jill__________lunchatschooleveryday.2)Thechildrenhadagoodtimeatthepa

4、rty.(改為否定句)Thechildren___________agoodtimeattheparty.3)Rosedidntdrinkanymilkthismning.（改為肯定句)Rose____________milkthismning.二、疑問句定義:是用來(lái)提出問題的句子。常用疑問詞:疑問詞意思用法Whattime什么時(shí)間問具體時(shí)間如幾點(diǎn)鐘Imgoingtotaketheshirtontheright.（劃線提問）______

5、_____areyougoingtotake3)對(duì)指人名詞或代詞提問用who，作賓語(yǔ)時(shí)提問用whom。4)對(duì)物主代詞和名詞所有格提問用whose。5)對(duì)具體時(shí)間提出疑問，如inthemninglastSunday等，疑問詞用when；對(duì)具體幾點(diǎn)鐘提問，疑問詞應(yīng)用whattime。6)對(duì)具體地點(diǎn)提出疑問，疑問詞應(yīng)用where。Thepupilsarehavingapicnicatthefootofthehill.（劃線提問）_______

6、___thepupilshavingapicnic7)對(duì)表原因的從句提問，常見的有because引導(dǎo)的從句，疑問詞應(yīng)用why。XiaoChengdidntgotothefarmwithusbecausehewasill.（劃線提問）____________XiaoChenggotothefarmwithus8)對(duì)方式或程度等提出疑問，用疑問詞How。9)對(duì)數(shù)量提出疑問，疑問詞為Howmany，要注意howmany必須跟名詞的復(fù)數(shù)形式。e

7、g.twohundredbirds→Howmanybirds10)對(duì)價(jià)格提出疑問，疑問詞用Howmuch。eg.Ipaidfiftyyuanfthesweater.____________didyoupayfthesweater11)對(duì)時(shí)間長(zhǎng)度提出疑問，疑問詞應(yīng)用Howlong。eg.Ivewkedinthatfactyftwoyears.（劃線提問）__________________youwkedinthatfacty12)對(duì)時(shí)間頻

8、率，如onceayeartwiceaweek等提問，疑問詞用Howoften。13)對(duì)具體次數(shù)，如oncetwicethreetimes等提問，疑問詞用Howmanytimes。14)對(duì)in＋一段時(shí)間提問，疑問詞一般用Howsoon。eg.Janeherbrotherwillfinishthewkintwohours.（劃線提問）_______________Janeherbrotherfinishthewk15)對(duì)距離提出疑問，疑問詞