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1、Ourslogan:HewhohasneverbeentotheGreatWallisn’tatrueman.现在完成时RevisionThePresentPerfectTenseFanhuaMiddleSchoolFanZHihong现在完成时谓语动词的构成：1.I_____________(finish)homeworkalready.2.He___________(learn)Englishforthreeyears.I/We/You/Theyhave…He/She/Ithas…havefinishedha
2、slearned助动词have/has+pp（过去分词）句式变换：1.Hehasfinishedhishomework.(变为否定句）2.TheyhavevisitedChinabefore.(变为一般疑问句，并做肯定回答）Hehasn’tfinishedhishomework.HavetheyvisitedChinabefore?Yes,theyhave.1.现在完成时的第一种用法是什么？2.常用的时间状语有哪些？3.你能说出already和yet有哪些不同吗？想一想现在完成时(一)1.表示过去发生的动作对现在
3、造成的影响和结果.2.时间状语:already,yet,ever,never,just,before等3.already和yet的区别already多用于肯定句；yet多用于否定句和疑问句末。注意：如果肯定句中含有already或just，在变成否定句或疑问句时，要把句中的already或just转换成yet.Ihaven’tseenthefilmyet.2.Ihavealreadyfinishedmyhomework.Haveyoufinishedyourhomeworkyet?3.Motherhasjustc
4、leanedthehouse.Motherhasn’tcleanedthehouseyet.1.Ihavealreadyseenthefilm.1.I________(do)myhomeworkalready.2.He_____________(notfinish)hishomeworkyet.3.We______never______(see)thisbookbefore.5.Mother_____just_______(clean)thehouse.6.Sally__________(visit)Chinab
5、efore.havedonehasnotfinishedhaveseenhascleanedhasvisited我能行用动词的适当形式填空：现在完成时(二)1.现在完成时的第二种用法是什么？2.常用的时间状语有哪些？3.你能说出for和since有什么不同吗？现在完成时(二)1.表示过去发生的动作,一直延续到现在,并且有可能继续延续下去.2.时间状语:通常和for,since引导的时间状语连用.1.for+一段时间foraweek,for3years,foralongtime,2.since+时间起点since+
6、一段时间+agosince+从句(一般过去时)since2o’clock,sinceyesterday,since3yearsago,sinceIcamehere等.注意:对for或since引导的时间状语提问必须用___________1.Ihavelivedherefor10years.Howlonghaveyoulivedhere?2.Shehasstoodheresince2hoursago.Howlonghasshestoodhere?howlong选用for和since填空:1.Wehaven’tse
7、eneachother______alongtime.2.HisfatherhasbeenintheParty______10yearsago.3.Thefilmhasbeenon______20minutes.4.MrGreenhasworkedhere______hecametoChina.5.Hisgrandpahasbeendead______severalyears.forsinceforsinceforhavebeento曾经去过某地（已返回）havegoneto去了某地（还没有回来）ABAB巧记：b
8、eento，goneto意不同，两者用法要记清；havebeento+地名，曾经到过某地行；havegoneto+地点，到某地去了已走远。1.IhavegonetoJapanbefore.()2.Guilinisverybeautiful,Ihavebeentotheretwice.()3.HisfatherhasgonetoBeijing.Hewillbebacknex
