at7:30.2)Myparentsgivetenyuantomysistereveryweek.2.主语是任何一个单数名词或者是第三人称单数,谓语动词要进行必要的变化。特别提一点:不可数名词也算作单数处理。1、一般动词,在词尾加s;如:work--works,live--lives,play--plays,sing--sings.eg:ShelivesinNingbo.2、当动词以s,ch,o,sh结尾时,词尾加-es,如词尾为e,只加-s.读作/iz/如:teach------teaches,wash-----washes.go---goespass---passeseg:Mymotherwashesthecoat.行为动词do一般现在时第三人称单(he,she,it)的构成规则:动词变化规律3.以辅音字母加y结尾的词,把y变i在加es,读作[z]Studyflystudiesflied4.以辅音字母+o结尾的词,一般情况是在词尾加es读作[z]godogoesdoes5.特殊情况:havehasEX21.Tomoften_____(get)upatsixinthemorning2.Theearth______(go)aroundthesun.3.Mary’sparent______(live)inBeijing.4.She_______(draw)verywell.Ex1.写出下列词的单三形式:look;go;give;fly;havelooks;goes;gives;flies;hasgetsgoeslivesdraws否定句型1.谓语动词含有助动词,be动词、或者情态动词时,在其后加not. Iamnotatcollege. Mr.Wangisn't50yearsold. TheJacksonsdoesn'thavetwosons. Youmaynotgonow.