四年級(jí)英語(yǔ)語(yǔ)法匯總

1、學(xué)習(xí)必備歡迎下載小學(xué)三四年級(jí)英語(yǔ)語(yǔ)法匯總數(shù)人稱(chēng)物主代詞反身代詞主格賓格所有格，形容詞性物主代詞名詞性物主代詞單數(shù)第一人稱(chēng)我Imemyminemyself第二人稱(chēng)你youyouyouryoursyourself第三人稱(chēng)他hehimhishishimself她sheherherhersherself它itititsitsitself復(fù)數(shù)第一人稱(chēng)我們weusouroursourselves第二人稱(chēng)你們youyouyouryoursyourselves第三人稱(chēng)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

2、兩種形式。1、謂語(yǔ)動(dòng)詞是be動(dòng)詞,助動(dòng)詞do/have/has,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）Lilythisnewbook.2、謂語(yǔ)動(dòng)詞是行為動(dòng)詞而又沒(méi)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(chēng)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：dont,doesnt,didnt后都用動(dòng)詞原形。eg.1）Jillhaslunchatschooleveryday.（改為否定句）Jilllunchatschooleveryd

3、ay.2）Thechildrenhadagoodtimeattheparty.（改為否定句）Thechildrenagoodtimeattheparty.3）Rosedidntdrinkanymilkthismorning.（改為肯定句）Rosemilkthismorning.二、疑問(wèn)句定義:是用來(lái)提出問(wèn)題的句子。常用疑問(wèn)詞：疑問(wèn)詞意思用法Whattime什么時(shí)間問(wèn)具體時(shí)間，如幾點(diǎn)鐘Who誰(shuí)問(wèn)人Whose誰(shuí)的問(wèn)主人Where在哪里問(wèn)地點(diǎn)What什么向東西、事物Whatcolour(color)什么顏色問(wèn)顏色Howold多大年紀(jì)問(wèn)年紀(jì)Howmany多少數(shù)量（可數(shù)名詞）問(wèn)數(shù)量Howmuch多少錢(qián)；

4、多少數(shù)量（/、可數(shù)名詞）問(wèn)多少錢(qián)或數(shù)量（不可數(shù)）學(xué)習(xí)必備歡迎下載A.一般疑問(wèn)句：以be動(dòng)詞，have/has/do等助動(dòng)詞、can/may等情態(tài)動(dòng)詞開(kāi)頭，以yes或no來(lái)回答的問(wèn)句。它的基本結(jié)構(gòu)是：Be/Have/Has/Did等助動(dòng)詞（包括情態(tài)動(dòng)詞）+主語(yǔ)+謂語(yǔ)（包括表語(yǔ)）十.?回答常用簡(jiǎn)略回答。1、謂語(yǔ)動(dòng)詞是be動(dòng)詞、助動(dòng)詞、情態(tài)動(dòng)詞時(shí)，只要直接把這些詞置于句首，句末改成問(wèn)號(hào)。eg.Theressomethingwrongwithhisbike.（改成疑問(wèn)句）wrongwithhisbike?2、謂語(yǔ)動(dòng)詞是行為動(dòng)詞時(shí)，必須在句首加上助動(dòng)詞Do、Does（三單）、Did（過(guò)去式）加上這些助動(dòng)

5、詞后，句子中謂語(yǔ)動(dòng)詞必須用原形。eg.1）Edisonbuiltasciencelabhimselfwhenhewasten.（改成疑問(wèn)句）Edisonasciencelabhimselfwhenhewasten?2）ThoseJapaneselikeChinesefood.（改成疑問(wèn)句）thoseJapaneseChinesefood?注意：在把肯定句改成否定句或一般疑問(wèn)句的時(shí)候，要注意句中是否有alreadysome、something、somebody等詞，如果有也必須進(jìn)行改變，already要改成yet,somesomethingsomebody等分別改成any、anythingany

6、body等。另外，在改成否定句的時(shí)候注意把too改成either,both改成neither,all改成none等.在改成一般疑問(wèn)句的時(shí)候，常常把第一人稱(chēng)I、we改成第二人稱(chēng)you。B.特殊疑問(wèn)句：以疑問(wèn)代詞或疑問(wèn)副詞開(kāi)頭，提出疑問(wèn)的句子。它的基本結(jié)構(gòu)是：特殊疑問(wèn)詞+一般疑問(wèn)句語(yǔ)序。但是如果疑問(wèn)詞在句子中作主語(yǔ)或作主語(yǔ)的定語(yǔ)，就用特殊疑問(wèn)詞+陳述句語(yǔ)序。常用的疑問(wèn)詞有：what,who（whom）,whose,which,when,where,how,why等，回答時(shí)針對(duì)問(wèn)句中的代詞和副詞來(lái)回答，不用yes或no來(lái)回答。1）對(duì)指物名詞或謂語(yǔ)動(dòng)詞提出疑問(wèn)，疑問(wèn)詞用whatThetwinswere

7、makingakitewhentheirmothercamein.（劃線提問(wèn)）thetwinswhentheirmothercamein?MrsTurneraskedhersontobuysomeeggsforsupper.（戈U線提問(wèn)）MrsTurneraskherson?2）對(duì)名詞前定語(yǔ)提出疑問(wèn)，疑問(wèn)詞應(yīng)用which,而且必須和名詞連用。Imgoingtotaketheshirtontheright.（劃線提問(wèn)）學(xué)習(xí)必備歡迎下載areyougoingtotake?3）對(duì)指人名詞或彳t詞提問(wèn)用who,作賓語(yǔ)時(shí)提問(wèn)用whom。4）對(duì)物主代詞和名詞所有格提問(wèn)用whoseo5）對(duì)具體時(shí)間提出疑問(wèn)，

8、如inthemorning,lastSunday等，疑問(wèn)詞用when;對(duì)具體幾點(diǎn)鐘提問(wèn)，疑問(wèn)詞應(yīng)用whattime。6）對(duì)具體地點(diǎn)提出疑問(wèn)，疑問(wèn)詞應(yīng)用where。Thepupilsarehavingapicnicatthefootofthehill.（戈U線提問(wèn)）thepupilshavingapicnic?7）對(duì)表原因的從句提問(wèn)，常見(jiàn)的有because引導(dǎo)的從句，疑問(wèn)詞應(yīng)用why。XiaoChengdidntgotothefarmwithusbecausehewasill.（戈U線提問(wèn)）XiaoChenggotothefarmwithus?8）對(duì)方式或程度等提出疑問(wèn)，用疑問(wèn)詞How。9）對(duì)數(shù)

9、量提出疑問(wèn)，疑問(wèn)詞為Howmany,要注意howmany必須跟名詞的復(fù)數(shù)形式。eg.twohundredbirdsfHowmanybirds10）對(duì)價(jià)格提出疑問(wèn)，疑問(wèn)詞用Howmuch。eg.Ipaidfiftyyuanforthesweater.didyoupayforthesweater?11）對(duì)時(shí)間長(zhǎng)度提出疑問(wèn)，疑問(wèn)詞應(yīng)用Howlong。eg.Iveworkedinthatfactoryfortwoyears.（劃線提問(wèn)）youworkedinthatfactory?12）對(duì)時(shí)間頻率，如onceayear,twiceaweek等提問(wèn)，疑問(wèn)詞用Howoften。13）對(duì)具體次數(shù)，如once

10、,twice,threetimes等提問(wèn)，疑問(wèn)詞用Howmanytimes。14）對(duì)in+一段時(shí)間提問(wèn)，疑問(wèn)詞一般用Howsoon。eg.Janeandherbrotherwillfinishtheworkintwohours_（戈U線提問(wèn)）Janeandherbrotherfinishthework?15）對(duì)距離提出疑問(wèn)，疑問(wèn)詞用Howfar。eg.Itsabouttwokilometresfromheretothecountry.（戈U線提問(wèn)）fromheretothecountry?16）另外，對(duì)日期、星期、天氣等提出疑問(wèn)，則分別用Whatsthedate?學(xué)習(xí)必備歡迎下載Whatday

11、isit?如果是過(guò)去時(shí)間，就用was代替is。Whatstheweatherlike?思考題1）Theworkersvisitedthefactoryalready.（改成否定句、一般疑問(wèn)句）Theworkerthefactory.theworkerthefactory_?2）Bothofhisparentsareworkers.（改成否定句）ofhisparentsaworker.3）Hewenttotheparkwithhissister.（劃線提問(wèn)）hegotothepark?4）Wereallyenjoyedworkingonthefarm.（劃線提問(wèn)）Whatyoureallyenj

12、oy?5）Shewritestoherparentsonceaweek.（戈U線提問(wèn)）shewritetoherparents?6)OurP.Eteacherhasbeenatthisschoolsincehecame.(戈U線提問(wèn))ourP.Eteacherbeenatthisschool?1、一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)的功能1) .表示事物或人物的特征、狀態(tài)。如：Theskyisblue.天空是藍(lán)色的。2) .表示經(jīng)常性或習(xí)慣性的動(dòng)作。如：Igetupatsixeveryday.我天天六點(diǎn)起床。3) .表示客觀現(xiàn)實(shí)。如：Theearthgoesaroundthesun.地球繞著太陽(yáng)轉(zhuǎn)。一般現(xiàn)在時(shí)的構(gòu)成：1) .be動(dòng)詞：主語(yǔ)+be(am,is,are)+其它。如：Iamaboy.我是一個(gè)男孩。2) .行為動(dòng)詞：主語(yǔ)+行為動(dòng)詞(其它)。如：WestudyEnglish.我們學(xué)習(xí)英語(yǔ)。當(dāng)主語(yǔ)為第三人稱(chēng)單數(shù)(he,she,it)時(shí)，