一般现在时的陈述句,否定句PPT课件

.,1,一般现在时态,.陈述句（肯定句）.否定句,.,2,一般现在时态的陈述句,概念：一般现在时态表示的是经常反复发生的动作或存在的状态。,Eg:Iamateacher.Youareaworker.She/Heisastudent.We/You/Theyarestudents.,1.Be的用法：I用am，you用are，is用于他(he)、她(she)、它(it)，复数(we,you,they)全部都用are.,练习:1.Paul(be)ateacher.2.I(be)30yearsold3.Herparentsboth(be)teachers.,is,am,are,.,3,1、一般动词，在词尾加s;如：work-works,live-lives,play-plays,sing-sings.eg:ShelivesinNingbo.她住在宁波。2、以/s/z/等音素结尾的动词，词尾加-es，如词尾为e，只加-s.读作/iz/如：teach-teaches,wash-washes.eg:Mymotherwashesthecoat.我母亲洗了大衣。,行为动词do一般现在时第三人称单（he,she,it)的构成规则：,2.行为动词：DO和DOES,.,4,3.以辅音字母加Y结尾的词，把Y变I在加ES，读作Z,Studyfly,studies,flies,4.以辅音字母+O结尾的词，一般情况是在词尾加ES读作Z,godo,goes,does,5.特殊情况：,havehas,.,5,EX21.Tomoften_(get)upatsixinthemorning2.Theearth_(go)aroundthesun.3.Marysparent_(live)inBeijing.4.She_(draw)verywell.,Ex1.写出下列词的单三形式：look;go;give;fly;have,looks;goes;gives;flies;has,gets,goes,lives,draws,.,6,Eg:1.Igetupatsixinthemorning.我在早上六点钟起床。,2.Yougotoworkateight.你在八点去上班。,3.Tomgoestoschoolbybike.汤姆骑自行车去学校。,.,7,II一般现在时的否定式,1.Be动词的否定式:be+not,Iamateacher.YouareaworkerSheisadoctorWearefriends.,ImnotateacherYouarentaworkerSheisntadoctor.Wearentfriends.,isnot=isntarenot=arent,否定句,.,8,2.(do)当主语是单数第三人称时，它与助动词DOES有关，但是动词谓语一定要恢复为原形。当主语是其他人称时，它与助动词DO有关。,IlikeEnglish.Shelikesitverymuch.Wegotoworkbybike.,IdontlikeEnglish.Shedoesntlikeitverymuch.Wedontgotoworkbybike.,否定句,.,9,Ex1.将下列各句从肯定式改为否定式,ItalktoPeterbecauseIlikehim.KatecomesfromAmerica.KateworkswithPeterIamChinese,andIamastudent.Theyknoweachother.,IdonttalktoPeterbecauseIdontlikehim.,KatedoesntcomefromAmerica.KatedoesntworkwithPeter.,IamnotChinese,andIamnotastudent,Theydontknoweachother.,.,10,II一般现在时的否定式,1.Be动词的否定式:be+not,Iamateacher.YouareaworkerSheisadoctorWearefriends.,ImnotateacherYouarentaworkerSheisntadoctor.Wearentfriends.,isnot=isntarenot=arent,否定句,.,11,2.(do)当主语是单数第三人称时，它与助动词DOES有关，但是动词谓语一定要恢复为原形。当主语是其他人称时，它与助动词DO有关。,IlikeEnglish.Shelikesitverymuch.Wegotoworkbybike.,IdontlikeEnglish.Shedoesntlikeitverymuch.Wedontgotoworkbybike.,否定句,.,12,Ex1.将下列各句从肯定式改为否定式,ItalktoPeterbecauseIlikehim.KatecomesfromAmerica.KateworkswithPeterIamChinese,andIamastudent.Theyknoweachother.,IdonttalktoPeterbecauseIdontlike