英语人教版八年级下册Unit10 Section A.pptx

短暂性动词和延续性动词 现在完成时难点分析 Unit10I vehadthisbikeforthreeyears 汇丰中学史容萍 GrammarFocus 表示从过去一直延续到现在的动作或状态 常与 for 时间段 since 过去时间点或过去时句子 Howlong 表示 一段时间 的状语连用 其中动词要用延续性动词 Eg 1 MyfatherhasbeeninShanghaifortwomonths MyfatherhasbeeninShanghaisincetwomonthsago 3 Lilyhasstayedathomesincesheleftschool 非延续性动词要转化为延续性动词 6 二者的时间状语往往用howlong提问 haveyouhadthisbook 这本书你买多久了 Foraweek Sinceaweekago 买一周了 Howlong 短暂性动词和延续性动词 现在完成时难点分析 短暂性动词也称做终止性动词 非延续性动词或瞬间动词 表示动作不能延续 只是一瞬间就结束的动作 eg buysth 买下 付了款 拿了物品或发票即完成了 所以 我买了这块表三年了 在汉语中说得通 英语不能这样表达 不可以说 Ihaveboughtthewatchforthreeyears 你可以说成 Ihavehadthewatchforthreeyears 把buy转换成have 表示延续 短暂性动词可以用于现在完成时 如可以说 Ihaveboughtthewatch 但不能和表示一段时间的状语for since连用 注意 buy borrow arrive come go leave join die become begin start 等非延续性动词所表示的动作是一时的 不能延续的 故不能与for since 等表示一段时间的状语连用 buy borrow arrive come go leave join die become begin start 非延续性动词转化为延续性动词 have keep be beaway from bein beamemberof bedead be beon had kept been been been been been been been has have 你来晚了 电影已放了10分钟了 A Youarelate Thefilmfor10minutes B Youarelate Ittenminutessincethefilm C Youarelate Thefilm10minutes hasbeenon is began started began started ago 瞬间动词和延续性动词 状态句型转化练习 Exercise Itis hasbeen 时间段 since 过去的时间点或从句ItisfourdayssincelastFriday 从上周五到现在已经四天了 IthasbeentwoyearssinceJimcametoBeijing 吉姆来北京已经两年了 1 你来晚了 电影已放了10分钟了 A Youarelate Thefilmfor10minutes B Youarelate Ittenminutessincethefilm C Youarelate Thefilm10minutes hasbeenon is began started began started ago 瞬间动词和延续性动词 状态句型转化练习 Exercise 2 我叔叔当兵已经有2年了 A Myuncle thearmyfor2years B It 2years myunclejoinedthearmy C Myuncle thearmy2yearsago 3 Linda已经感冒4 5天了 A Linda acold 4to5days B It 4to5dayssinceLinda acoldC Linda acold4or5days hasbeenin is since joined hashad for is caught caught ago 4 他爷爷去世已经有5年了 A Hisgrandpa for5years B It 5yearssincehisgrandpa C Hisgrandpa 5years 5 你来晚了 火车已经开走了20分种了 A You relate Thetrain for20minutes B It 20minutessincethetrain C Thetrain 20minutes hasbeendead is died died ago hasbeenaway is left left ago 二选用for和since填空 1 Wehaven tseeneachother alongtime 2 Hisfatherhasbeeninthefactory 10yearsago 3 Thefilmhasbeenon 20minutes 4 MrGreenhasworkedhere hecametoChina