nswer.T:Doyouhaveapen? S:T:Doyouhavearuler? S:2)Translatetwosentences:T:我有一支钢笔。 S:Ihaveapen.T:他有一支钢笔。 S:Hehasapen.3)T:Showthetitle.Acomputerhasakeyboard.4)Askandanswer.T:Ihavearuler.→Doyouhavearuler? Yes,Ido./No,Idon’t.T:Hehasaruler.→Doeshehavearuler? Yes,hedoes./No,hedoesn’t.[以旧代新,让学生很清晰明了的了解并掌握第三人称单数has的用法并以出本课主题句。4)Showthekeysentenceandwritethemontheblackboard. puterhaveakeyboard?Yes,itdoes./No,itdoesn’t.[通过变换标题型式引出主题句即清晰又可以给学生留下深刻的印象]Stepfour:Drill.1) Readafterteacheragainandagainuntilmanystudentscanread.2) Readthembystudentsonebyone.3) Readtogetherthreetimes.4) Inpairsreadthekeysentence onebyone.5) Twostudentsinpairschangetheboywordstopraeticethekeysentence.6) Teacheraskssometeamtoacttheirdialogues.7) Twostudentsinpairsmakeanewdialogues.