8BUnit1pastandpresentGrammar2【教学目标】知识技能:Tolearnsomenewwords.Tounderstandthedifferencebetween“since”、“ago”and“for”过程与方法:Tolearntheuseofthepresentperfecttense情感态度价值观:Tounderstandtheuseofthepresentperfecttense【教学重点】Thedifferences:Since&for…【教学难点】Thedifferences:Since&for…【课前预习】StepOne:Lead-inReviewthepresentperfecttense.→Structure:have/has+V(过去分词)Pastparticiple:规则动词的过去分词与过去式相同。Addsomeirregularverbs.teach---taught---taughtbring---brought---broughtget—got—gotknow--knew—knowngrow—grew—grownfind--found—foundhold—held—heldshow—showed—shownkeep---kept---keptleave---left---leftlose---lost---lostrun---ran---runswim---swam—swumdrive—drove--drivenbegin—began--begun【课堂学习】三、小组合作、师生探究StepTwo:Pre-taskRecentlywehavealreadyknownalittleaboutSunshineTown.Ihaveneverbeentherebefore.Haveyoueverbeenthere?S1:No,Ihaven’tbeenthereyet.T:Mr.Chenwasbornthere.Hehasknownitsincehewasveryyoung.Hehasknownitforalongtime.StepThree:While-taskTask1:1)Tellthestudentsthatwecanuseadverbsoftimewiththepresentperfecttense,suchasalready,ever,for,just,never,sinceandyet.2)Somemoreexamples:IhavejustseenMillieontheplayground.HasMilliecalledyet?No,shehasn’t.IhavenotheardfromMillieyet.Ihavedonemyhomeworkalready.Ihaveneverreadthenovel.…3)现在完成时与时间副词(onPage16)for+段时间fortwodays/threeyearssince+点时间sincelastnight/1992sincetwodaysagosince+句子sinceIcameherelastweekalready一般用于肯定的陈述句yet一般用于否定句和疑问句(否定句中常译为“还”；疑问句中常译为“已经”。)just刚（注意与justnow的区别）recently近来ever曾经(常用于问句)never从不uptonowtillnowover/inthepast10yearssofarbefore(句尾且不加时间)eg.Haveyouvisitedourcitybefore?四、归纳总结、巩固提高1.whatyouhavelearnt?2.Theunderstandingofthepresentperfecttense3.Theuseoftheperfecttense:have/has+p.pfor+段时间since+点时间(过去时间)since+句子(一般过去时态的句子)五、当堂检测、及时反馈句型转换。1.Theboygotup20minutesago.（同义句）Theboy20minutes.Theboy20minuets.（不可用，超标）2.Hejoinedtheclub2daysago.（同义句）【板书设计】【教学反思】命题人审核人审批人学生姓名班级评价批阅日期序号6一、翻译下列短语1.新鲜空气6.借给我一本书2.火车站7.在这些年里3.住在小村庄里8.投入使用4.搬进新公寓9.过去常住在旧房子里5.许多野生生物10.这个地方的许多变化二.用所给动词的正确时态填空：1.Ourteachertoldusthatthesun(rise)intheeast.2.Thisisthemostinterestingfilmsheever(see).3.Thedogisstillwetbecauseitjust(come)outoftheriver.4.Infact,he(live)heresince1990.5.Just(stay)hereanddon'tgoaround,oryourparentscan'tfindyou.6.Bytheway,--you(hear)fromLucyyet?-No,Ihaven't.三.句型转换：1.MyfamilyhavebeentoZhongshanZootwice.（对划线部分提问）timesyourfamilytoZhongshanZoo?2.Mylittlesisterhasalreadyeatenanegg.(改为否定句）Mylittlesisteranegg.3.Hehasbeenherefortwoweeks.(改为同义句）Hehasbeenheretwoweeks.4.Myfatherwasadoctorinthepast.(改为同义句）Myfatherbeadoctor.5.WehavelearnedsixEnglishsongssofar.(改为一般疑问句）yousixEnglishsongssofar?四.单项选择：()1.-Haveyoufinishedyourhomework?-Yes,Ihavefinishedit.A.yetyetB.alreadyalreadyC.alreadyyetD.yetalready()2.Itmeabout20minutestowalkthere.A.spentB.costC.paidD.took()3.Theboyisyoung,buthemanycountries.A.hasbeentoB.hasbeenforC.hascometoD.hasgoneto()4.Hedoesn'tfeelthoughhelivesalone.A.aloneB.lonelyC.lonelyD.only()5.Whenandwhereyou?A.didbearB.didboreC.didbornD.wereborn()6.Theregreatchangesinmyhometowninthepasttenyears.A.hasbeenB.havebeenC.wasD.werego.五.完成句子：1.她在这所学校教英语多久了？sheEnglishinthisschool?2.我们是老朋友了，我们相识已经十年了。Wearenow.Weeachothertenyears.3.汤姆去年结婚的。Tomlastyear.4.有人打扫了教室。看，多干净啊！Someonetheclassroom.Look!cleanitis!5.你最近收到他的来信了吗？youanylettersfromhim?6.嘲笑别人是不礼貌的。It'slaughothers.六.任务型阅读：WhenItakeawalkaroundWashingtonSquarePark,Ioftenseemanypeoplewalkingwithdogs.Itisstilltruethatadogisthemostusefulandfaithfulanimalintheworld,butpeoplehavechangedthereasonswhytheykeepdogsaspets.Theyusedtokeepdogsinordertokeepsafe,butnowtheykeepthemasfriends,becausethecitycanbealonelyplace.Forachild,adogishisplaymatewhenhehasnolittlefriendstoplaywith.Foryoungpeople,adogistheirfriendwhentheyfeellonelyathome.Fortheelderly,adogistheirchildwhentheirrealchildrenhavegrownup.Nowyoucanseethereasonswhypeoplekeepdogs.1.DomanyAmericanskeepdogsaspets?2.Whatdoesthewriterthinkofdogs?3.Whatdidpeoplekeepdogsforbefore4.Whydoesachildlikekeepingadog?5.Whydooldpeoplelovetokeepdogs?
