Ⅰ.Teachingaims:1.Knowledge:a.Thestructureofthepresentperfecttense.b.Theusagesofpresentperfecttense.2.Ability:a.Enablestudentstousethecorrecttenseintheirwritingandspeaking.b.Enablestudentstousetherightwordsinthepresentperfecttense.3.Feelingsandattitude:a.LetthestudentsknowtheimportanceofEnglishgrammar.b.Trytobuildupstudents’confidenceinthemselvesc.EncouragestudentstospeakEnglishinpublic.Ⅱ.ImportantPoints:a.letthestudentsunderstandstheusagesofpresentperfecttense.b.Thedifferencesbetweenpastsimpletenseandpresentperfecttense.Ⅲ.DifficultPoints:Helpstudentsusepresentperfecttensewithverbstodescribeeventshappenataparticularpointintimeandtodescribeeventsthatcancontinueoveraperiodoftime.Ⅳ.Teachingmethodology:TheNewSeniorEnglishCurriculumStandardsaimseducationforallstudentsandstressedquality-orientededucation.Themaintaskofeducationistostimulateandcultivatestudents’interestandtheirconfidenceinlearningthelanguage,helpthemdevelopgoodlearninghabitsandformeffectivelearningstrategies,facilitateautonomyandcooperativespiritinlearning;enablestudentstomasterbasicEnglishlanguageknowledgeandskillsinlistening,speaking,readingandwriting.Accordingtothenewstandards,thestudentsshouldbethecenteroftheclassandtheteacherservesasacontroller,organizer,participant,orresource-providermosttimes.Consideredwiththecharacteristicoftheteachingcontentsandthelearners,Iwillapplyexplanationandpracticinginmyteaching.Mostoftheusageswillbesummarizedbystudentsthemselves.Ⅴ.TeachingaidsAcomputer,aprojector,blackboard,chalksⅥ.Teachingprocedures:Step1.Revision&lead-in(2min)1.Invitestudentstoreadsentencesusingpresentperfecttensetheyhavefoundbeforetheclass.S1:I’veseenquitealotofChina.S2:I’vevisitedsomebeautifulcities.S3:Theyhavejustcompletedit.S4:...2.Showsomesentencesontheboard.1).Theyhaveputupalotofhigh-risebuildingsrecently.2).Mywife’sjustboughtabeautifuldressfromoneoftheshopsthere.3).It’sgotsomereallyprettyparks.4).Afriend’stoldmeaboutanicefishrestaurant.Step2.Presentperfecttense1.Thestructureofpresentperfecttense.Afterreadingthesesentences,askstudentstofindthestructureofthesesentenceswithpresentperfecttense.1).have/has+done2).have/has+not+done3).Have/has+been+done2.TheusageofpresentperfecttensePlaytheflash(apigandhismom),andtellstudentstorecallthemainusagesofthistense.Q:thestoryhappensinthepast,butthepigandhismomusepresentperfecttensetodescribeit,canyoutellmethereason?Drawatimelineontheblackboard:1).Usage1:“完成用法”①强调过去发生的动作对现在造成的影响或结果，常用状语有：already,yet,never,ever,just,before...E.g.1.Ihavejustcleanedmyhands.E.g.2.Ihavelostmywallet.E.g.3.Ihavealreadyfinishedmyhomework.Iamfree.②Showthefollowingsentencesandhavestudentssummarizethedifferencebetweenthepastsimpletenseandpresentperfecttense.Hehasalreadyreadthatbook.(说明他现在知道那本书的内容)Hereadthatbooklastyear.(只说明他去年读过那本书)HehasgonetoAmerica.(他现在不在此地,在美国)HewenttoAmericaeightweeksago.(只说明他去过美国)summary：一般过去时表示过去发生的动作或存在的状态，与现在情况无关，现在完成时！pastNowFuture常用时间状语为yesterday,lastyear,inthepast等，而现在完成时与现在有关。③showtwopicturesandguidestudentstodescribethemwithpresentperfecttense.E.g.1.Hehasjustlosthisjob.E.g.2.Shehasjustgottheletter.2).Usage2:“未完成用法”表动作或状态已开始，持续到现在，可能还会继续进行下去，常用时间状语since+时间段ago/时间点/从句,for+时间...
