小学语法易错题.ppt

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1、小学语法易错题小学英语三种基本句型主系表句型（am/is/are）therebe句型（thereis/are）主谓宾句型(do/does)主+系动词+表：（词性与词序）therebe(thereis/are)该句型通常用来表达某地存在某物（人)主谓宾句型(do/does)英语第三个句型通常叫主+谓+宾+状,它的核心是“do”即动词。本句型表达什么人/（物）做什么。教学难点动词的变化。定语的位置否定句和一般疑问句的转换正确的思维方式的培养主系表句型的人称变化You(TheyWe)arerich.He(She)isrich.Iamrich.肯定：They（We）areteachers.H

2、eisateacher.否定：They（We）arenotteachers.Heisn’tateacher.疑问：Aretheyteachers?Isheateacher?be动词用法口诀我用am，你用are，is用于他、她、它；单数is复数are，千万不要用错它！Therebe句型主语单复数变化●桌子上有一本书.Thereisabookonthedesk.(Onthedesk,thereisabook.)Thereisnotabookonthedesk.Isthereabookonthedesk?●桌子上有两本书.Therearetwobooksonthedesk.Thereare

3、nottwobooksonthedesk.Aretheretwobooksonthedesk?句中若有am,is,are,直接拿来当老大；句中若有am,is,are,否定not屁股后面挂！主谓宾句型拓展肯定:YoustudyEnglishhardforthetestintheschooleveryday.否定:Youdon’tstudyEnglishhardforthetestintheschooleveryday.疑问:DoyoustudyEnglishhardforthetestintheschooleveryday?句中若无am,is,are,请来助动当老大；句中若无am,is

4、,are,助动not主语后面挂。主格：youtheyweIheshe该句型一般现在时主语是第三人称单数时，动词变化如下：1、在动词词尾直接加s。如：play–plays,want–wants2、以字母s,x,ch或o结尾的动词加es。如：teach–teaches,do–does3、以辅音字母加y结尾的动词，先把y变i，再加es。如：study–studies,fly–fliesHestudiesEnglish.HedoesnotstudyEnglish.DoeshestudyEnglish?do/does用法口诀我、你要用do；他、她、它用does；单数does，复数do。主谓宾句

5、型主语人称变化句型拓展：主谓宾状Iloveyouveryverymuch.我非常非常地爱你。主状谓宾ThestudentsstudyEnglishhard.学生们努力地学习英语。ThestudentsstudyEnglishhardforthetestintheschooleveryday.学生们为了考试在学校里每天努力地学习英语。Tip:状语有两种：副词和介词短语。主谓宾句型的时态现在时YoustudyEnglish.YoudonotstudyEnglish.DoyoustudyEnglish?过去时（该句型过去时中的行为动词变化分为两类：规则变化和不规则变化）Youstudied

6、Englishyesterday.YoudidnotstudyEnglishyesterday.DidyoustudyEnglishyesterday?将来时YouwillstudyEnglishtomorrow.YouwillnotstudyEnglishtomorrow.WillyoustudyEnglishtomorrow?主谓宾句型的过去时（不规则动词）提示：不规则动词在句子中的词序与规则动词一样，但否定句和疑问句是由助动词did帮助完构成的，老师应该提醒学前助动，后还原！HetaughtusEnglishlastterm.HedidnotteachusEnglishlast

7、term.DidheteachusEnglishlastterm?句中若有实义动，be动不可当伴郎！THEENDThankyouverymuch!