Unit1Friends【Grammar】PresentperfecttenseLearningaims•1.掌握现在完成时的基本结构、基本用法和动词过去分词的变化规律。•2.理解并运用常和现在完成时连用的时间表达方式。•3.能够在语境中正确运用现在完成时。GuideOne•1.Readthefollowingsentences.(2′•(1).I'velivedheresinceIwasborn.•(2).Haveyouevermovedhouse?•(3).Hasthetownchangedalotovertheyears?•(4).Thegovernmenthasturnedpartofthetowncentreintoanewpark.•(5).However,mostofmyoldfriendshavemovedaway.•(6).Ithasbecomeimpossibleforustoseeeachotherasoftenasbefore.•(7).We‘velivedinthisareasincethen.•(8).Haveyouseenmyfood?Think?(4′•1.以上的句子都用了_____________.•句子中的_____和_____由主语确定。•谓语动词用____________.•它的结构是______________________________.现在完成时havehas过去分词have/has+动词的过去分词•2.判断句中时态是一般过去时还是现在完成时。(3′•(1).Hewenttothecinemalastnight.•(2).Hehasalreadyseenmanygreatfilms.•(3).Marryhasforgottentodoherhomework.•(4).TheyhavebeeninHongKongsince1998.•(5).Wejoinedthedramaclubtwoyearsago.•3.理解现在完成时,给其定义.pastpresentEddiehaslivedwithMilliesincehewasborn.EddiehaslivedwithMillieforfouryears.pastpresent4yearsEddiewasbornfouryearsago.•(1).Readthefollowingsentencesandunderstandthemeaningofthepresentperfecttense.•IhavelivedheresinceIwasborn.•EddiehasjusteatenHobo’sfood.•Ihavealreadyreadthisbookmanytimes.表示从过去开始一直持续到现在的动作或状态。表示过去发生,并对现在有一定影响的动作。表示某事直到现在发生了许多次。现在完成时的含义现在完成时用来表示之前已发生或完成的动作或状态,其结果和现在有联系,动作或状态发生在过去但它的影响现在还存在;也可表示持续到现在的动作或状态。ThePresentPerfectTense(现在完成时)GuideTwo•1.参阅P13和P122-123快速写出下列动词的过去式和过去分词。(4′•Haveamatch.Whowritesbest?•be_____________________eat___________•see_____________change____________•move___________live____________•get___________become___________•forget__________marry_____________•stop____________teach_____________•come___________have______________动词的过去分词变化规则可参阅动词的过去式变化规则•2.FinishPartAonPage14.(3′•PartA•borrowed/hoped/made/got/planned/cried/sent/•watched/said/grown/hit/enjoyedGuideThree•1.ReadthecontextintheformonPage12andfinishthefollowingblanks.(4′•(1).主语是____________________时,用have…主语是_____________时,用has…•(2).肯定句____________________________•否定句_____________________________•一般疑问句____________________________•句中的have/has可看做助动词使用,have/has可直接在后面加______表否定,havenot=_______,hasnot____;have/has也可直接___________表疑问。•2.Changethemaccordingtotherequirements.(4'•(1).Haveyouevermovedhouse?(否定回答)•(2).Hasthetownchangedalotovertheyears?(肯定句)•(3).Thegovernmenthasturnedpartofthetowncentreintoanewpark.(一般疑问句,并作出肯定回答)•(4).Mostofmyoldfriendshavemovedaway.(否定句)3.Completethesentencesusingthepresentperfecttense.1.They____________(finish)theirhomework.2.MrandMrsLi____________(notcome)backyet.3.John__________(play)thiscomputergameafewtimes.haven’tcomehavefinishedhasplayed4.We____________(notsee)thatfilmyet.5.MrDong____________(repair)overtenbicyclessincelastMonday.6.You_____________(notvisit)meforalongtime.haven’tseenhasrepairedhaven’tvisitedCompletetheconversationusingthecorrectformsoftheverbsinbrackets.Millie:(1)_____you____(see)anyexhibitionsrecently,Sandy?Sandy:No,I(2)____...