江苏省宜兴市汇文中学八年级英语下册 Unit 1 Past and Present Grammar课件 （新版）牛津版.ppt

thepresentperfecttense现在完成时之 深度观察 task1 小组交流 step1 组内讨论一般过去时和现在完成时的相同点和不同点 1 mr chen live herein2011 2 tom buy thecarlastmonth 3 theclass2students plan atriptothewestlakeyesterday 4 thegreens move awaytwoyearsago 5 mr chen live heresince2011 6 myhometown change alotovertheyears 7 we learn englishforeightyears 8 youever move house 9 you see myfood 10 i read thebookmanytimes lived bought planned moved haslived haschanged havelearnt have moved have seen haveread step2 discussionandconclusion讨论总结 similarities 相同点 动作都发生在过去 一般过去时和现在完成时 一般过去时强调 现在完成时强调 1 2 3 动作发生的过去时间 yesterday lastweek twodaysago in2000 从过去延续到现在 对现在造成的影响或结果 次数 since2000 for15years overtheyears recently manytimes once twice never already just ever before yet differences 不同点 allone slife 地点 方式 task2 现在完成时整体印象 一 含义二 标志词 1 从过去延续到现在 2 对现在造成的影响或结果 3 次数 since2000 for15years overtheyears recently allone slife already just ever before yet manytimes once twice never 三 句式结构 1 肯定句2 否定句3 疑问句肯定回答 yes sb 否定回答 no sb sb sth have hasdone sb sth haven t hasn tdone sb sth have has done have has haven t hasn t 思考 she sverynervous she she sfinishedherjob she isn t hasn t 四 过去分词变换规则 finishchangecarrystop finished changed carried stopped 过去式 过去分词 finished changed carried stopped 规则变换 上一页 下一页 aaa abb abc 主菜单 task3 检测反馈 动词填空 1 isitstillrainingoutside no it stop already it stop halfanhourago 2 yourbrother finish hishomework yes he finish itjustnow 3 thetwins notarrive yet wehavetowaitalittlelonger 4 mr li teach usforoneyear 5 sam never read thebookbefore 6 there be greatchangesinmyhometown overtheyears hasstopped stopped has finished finished haven tarrived hastaught has read havebeen 动词填空 1 you clean theroom yes we do thatalready when you do it we do itanhourago 2 he see thisfilmyet yes when he see it he itlastweek 3 howmanytimes you be there have cleaned havedone did do did has seen did see saw have been 下一页 上一页 4 i read thenoveltwice it sinteresting 5 she go topairs hasn tshe yes how she go there she go therebyair 6 sofar manyvisitors visit thepalacemuseum 7 mrchen give upsmokinglast