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1、上一页下一页主菜单思考几个问题：思考几个问题：1. 现在完成时与过去时的区别2.现在完成时与过去完成时的区别3.非延续性动词是否有完成时？一一.导导二二. 学学按要求完成学案上的任务（1）（4）（7分钟）.Mother: John, clean your teeth please.John: Mum, I have have alreadyalready cleaned cleaned them.Mother: when did you do that ?John: I had done before you came back.John: 妈妈，我已经刷过了妈妈，我已经刷过了. Mother
2、 :什么时候刷的？什么时候刷的？.John: 您回来之前我就刷了。您回来之前我就刷了。 三三. 展展present(now)futurepast 现在完成时现在完成时( present perfect tense)do my homework 一一.现在完成时的基本含义现在完成时的基本含义上一页下一页They They have surveyedhave surveyed that matter since last year. that matter since last year. Its said it may refer to some key persons.Its said it
3、may refer to some key persons. 主菜单1. 1.表示过去发生的某一动作对现在造成的表示过去发生的某一动作对现在造成的 _和和_ _ 2. 表示表示过去过去已经开始且已经开始且 _的动作或状态的动作或状态 影响影响 结果结果持续到现在持续到现在I I have have everever beenbeen to the Summer Palaceto the Summer Palace I I havehave never never heard aboutheard about so moving a story. so moving a story. 3.表示人
4、们表示人们_或到目前为止或到目前为止 _经历经历从未有过的从未有过的曾有过的曾有过的二二. 现在完成时的标志现在完成时的标志 常与常与 already, already, never, never, ever, ever, just, just, yet, yet, beforebefore, , up to now, up to now, so farso far, , for a long time for a long time these daysthese days, , since since for/in/during recent /for/in/during recent /
5、 the last /the past few the last /the past few weeks weeks等等连用连用上一页下一页主菜单 三三.现在完成时的特殊情况现在完成时的特殊情况1.It _ 6 weeks since I began to write this story. has beenhave warnedhave been tohas stopped2.Its the last time that I _（警告）（警告）you !3. This is one of the most attractive places that I _（曾经去过的）（曾经去过的）.4.
6、 Dont get off the bus before it _ well.非延续性动词是否有完成时？非延续性动词是否有完成时？ 1. 1.我买了这块手表五年了。我买了这块手表五年了。 A. I I have boughthave bought this watch for five years. this watch for five years. B. I B. I have hadhave had this watch since 5 years ago. this watch since 5 years ago. C. C. I have bought this watch5year
7、sagoA. The old man The old man has diedhas died since a month ago. since a month ago. B.B.The old man has died. Its said for a month.C.The old man has been dead for a month. T下一页上一页主菜单 F 2.这位老人已经去世一个月了。这位老人已经去世一个月了。 F TF T判断正误判断正误 3.3. 我有十年没我有十年没离开家乡离开家乡了。了。 A. I I havent lefthavent left my hometown
8、 for10 years. my hometown for10 years.B.I B.I havent been away fromhavent been away from my hometown my hometown for 10 years. for 10 years.C.Ithasbeen10yearssinceIwasawayfrommyhometown. 下一页上一页主菜单 T T T 短暂性动词短暂性动词可以可以用现在完成时，但在肯定句用现在完成时，但在肯定句、 疑问句中疑问句中不能与时间段连用不能与时间段连用 上一页下一页 为了表述这种意思为了表述这种意思, ,我们常用相应
9、的我们常用相应的延续性动词延续性动词延续性动词延续性动词 来代替短暂性动词。比如来代替短暂性动词。比如 leave-beaway(from) die-bedeadborrow- keepfinish- beover 但在否定句中，短暂性动词不仅但在否定句中，短暂性动词不仅可用可用现在完成时，现在完成时， 还可以与时间段连用。还可以与时间段连用。 主菜单非延续性动词是否有完成时？非延续性动词是否有完成时？ 小结小结 1.We have told the sports meeting might be put off. 2.The detective fixed his sharp eyes up
10、on the box,wondering whether he has seen it before 3. I had phoned him twice in the morning but couldnt get through to him. 4. It is ten years since he has left the army.5. My teacher usually arrives at 7 but hadnt turned up so far.been_had下一页上一页主菜单_hasnt 四四. 练（练（改错改错）（二）（二） 句型转换句型转换：1.Hehasnevercom
11、elateforschool,_?(改反意疑问句）2.Theyhavebeenheresince2000.(对划线部分提问)_?3.Theoldman_lastyear.He_forayear.（用动词die填空）4.Thisfactoryopenedtwentyyearsago.(同义句转换)Thisfactory_fortwentyyears.5.ItisfiveyearssinceMissGaosmoked.(同义句转换)MissGao_forfiveyears.6.HermotherhasbeenaPartymemberforthreeyears.（同义句转换）Hermother_th
12、ePartythreeyears_.7.TheGreenFamilymovedtoFrancetwoyearsago.(同义句转换)It_twoyears_theGreenfamilymovedtoFrance.8.HehasntstudiedEnglishfortenyears.(同义句转换)Itistenyearssincehe_English.has he?How long have they been here?diedhas been deadhas been openhasnt smokedjoinedagohas beensince studied 总总 结结：1.现在完成时的含义_2.现在完成时的标志_3.现在完成时的特殊情况_4,非延续性动词在现在完成时中的运用
