人教版英语初一语法一般现在时

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1、九三管理局局直中学初一英语Unit1一、语法——一般现在时。一）一般现在时的用法：1.表示习惯性的、现在反复出现的动作或状态:Iusuallygotoschoolat7:00.我通常七点上学。2.表示主语现在的状态和特征：Sheoftenhelpsme.3.表示客观事实或普遍真理：Theearthgoesaroundthesun.地球绕着太阳转。二）句子结构：1.当谓语动词是实义动词，句子结构：主语+动词原形/动词单三1)当主语不是第三人称单数，谓语动词是实义动词，肯定句：主语+动词原形Igotoschoolat8:00.否定句：主语+don’t+动词原形Idon’tgotosc

2、hoolat8:00.一般疑问句：Do+主语+动词原形Doyougotoschoolat8:00?肯定回答：Yes,主语+do.Yes,Ido.否定回答：No，主语+don’t.No,Idon’t.2)当主语是第三人称单数，谓语是实义动词，肯定句：主语+动词单三Shegoestoschoolat8:00.否定句：主语+doesn’t+动词原形Shedoesn’tgotoschoolat8:00.一般疑问句：Does+主语+动词原形Doesshegotoschoolat8:00?肯定回答：Yes,主语+does.Yes,shedoes.否定回答：No，主语+doesn’tNo,sh

3、edoesn’t.3)动词第三人称单数的变化规则：第5页共5页a.一般情况下，在词尾加-s：play-playsget-gets.b.以s，x，sh，ch结尾的动词，在词尾加-es：watch-watchesgo-goes.c.以辅音字母加y结尾的动词，要把y变成i，再加-es：fly-fliesstudy-studies2.当谓语动词是be动词，句子结构：主语+be的适当形式1)肯定句：主语+be(am/isare)IamanEnglishteacher.否定句：主语+be(m/isare)+notIamnotanEnglishteacher.一般疑问句：Be(Is/Are)+

4、主语AreyouanEnglishteacher？肯定回答：Yes,主语+be(am/is/are).Yes,Iam.否定回答：No，主语+don’t.No,Iamnot.2)be动词的使用口诀：我用am，你用are，is连着他她塔，单数is复数are。一、习题。一）用be动词的适当形式填空。1.I____astudent.You____ateacher.2.She_____myfriend.3.____youLiFen?No,____not.4.____Mr.greenverybusy?Yes,he____.5.YouandI____goodfriends.6.Thegirli

5、nredclothes_____mysister.二）将下列句子变成一般疑问句，并给出肯定及否定回答。1.SimonandDaniellikegoingskating.第5页共5页2.MyparentswatchTVeveryday.3.SunYangandSunFangusuallywashclothesonSaturdays.4.Herclassmatesplayfootballinschool.5.GaoShan'ssisterlikesplayingtabletennis.6.Mydogrunsfast.7.Mingmingusuallywaterstheflowerse

6、veryday.8.Tomdoeshishomeworkathome.三）改错。1.Igoestoschoolatsixeveryday.2.Hedon’tlikeplayingfootball.3.Theylikesplayinggames.4.DamingwatchsTVintheevening.5.Doesheusuallyhasaparty?6.WhatdotheyonSunday?7.Tonygoesalwaystoschoolateighto’clock.第5页共5页8.Whattheyeatintheparty?9.Lilyhaveslunchatschool.10

7、.Whatdohisparentsusuallygiveshim?四）句型转换。1.Iwanttobuyabiggreenbag.(变特殊疑问句)__________youwanttobuy？2.Marydoesnothaveanybooks.(变肯定句)Mary___________books.3.Shelikestheblackbag.(变为否定句)4.Ibuythepantsforonly50Yuan.(用she改写句子)____________thepantsforonl