八年级英语下册 Uint 1 Past and present period 5教案 （新版）牛津版-（新版）牛津版初中八年级下册英语教案VIP免费

Uint1Pastandpresentperiod5教学目标1.学习现在完成时的时间副词和时间短语。2.能在语境中运用现在完成时。重点难点现在完成时与一般过去时在时间副词用法区别。教学过程复备PartOne:Lead-inTheteachercanhaveafreetalkwiththestudents.e.g.YouhaveknownsomethingaboutMr.Chen.CouldyoutellmeanythingaboutMr.Chen?PartTwo:Pre-taskRecentlywehavealreadyknownalittleaboutSunshineTown.Ihaveneverbeentherebefore.Haveyoueverbeenthere?S1:No,Ihaven’tbeenthereyet.T:Mr.Chenwasbornthere.Hehasknownitsincehewasveryyoung.Hehasknownitforalongtime.PartThree:While-taskTask11)Tellthestudentsthatwecanuseadverbsoftimewiththepresentperfecttense,suchasalready,ever,for,just,never,sinceandyet.2)Somemoreexamples:IhavejustseenMillieontheplayground.HasMilliecalledyet?No,shehasn’t.IhavenotheardfromMillieyet.Ihavedonemyhomeworkalready.Ihaveneverreadthenovel.…4)ExercisesA.选择填空(SeePPT)Haveyoudoneyourhomework______?(for,just,yet)Ihave_________beentoChengdu.(ever,never,yet)Hehas_______washedthedishes.(already,ever,for)Hehasworkedthere_______heleftschool.(already,just,since)Haveyoucleanedyourroom_______?(for,just,yet)ShehasknownSam_____nineyears.(for,never,since)Haveyou______riddenahorse?(ever,for,yet)Theyhave______arrived.(ever,just,yet)Wehavenotcompletedtheproject_______.(already,for,yet)B.fororsince1.Wehavelivedhere____1990.2.Howlonghaveyoustudiedhere?___5years.3.Theboyhashadabadcold_____lastnight.4.Mr.Huanghaskeptthebooks______aweekago.5.Ihavetaughtintheschool_____Icamehere.6.Wehavebeenfriends____alongtime.总结:for+段时间since+点时间(过去时间)since+句子(一般过去时态的句子)C.句型转换1.Theboyhasalreadygonehome.(一般疑问句)2.Thegirlhasalreadygivenittome.（否定句）3.TheyhaveevervisitedtheHainanIslandbefore.（否定句）1.现在完成时）肯定句变为否定句的基本方法：2.（现在完成时）肯定句变为一般疑问句的基本方法：３.注意点：just、already、yet之间的关系及各自适应的句型教学反思