现在完成时课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,走进高考：,P,resent,P,erfect,T,ense,现 在 完 成 时,走进高考：Present Perfect Tense,1,1,2,3,Wake up your memory of grammatical rules of tense.,（掌握语法规则）,Learning objectives:(,教学目标,),Learn to judge tense,by time Adverbials,（学会通过时间状语判断句子时态）,learn how to make use of these tenses accurately and fluently through practice.,（通过练习准确应用现在完成时态）,123Wake up your memory of gram,2,英语的,16,种时态,一般,进行,完成,完成进行,现在,一般现在时,do/does,现在进行时,am/is/are doing,现在完成时,has/have done,现在完成进行时,have/has been doing,过去,一般过去时,did,过去进行时,was/were doing,过去完成时,had done,过去完成进行时,had been doing,将来,一般将来时,will do,将来进行时,will be doing,将来完成时,will have done,将来完成进行时,will have been doing,过去将来,过去将来时,would do,过去将来进行时,would be doing,过去将来完成时,would have done,过去将来完成进行时,would have been doing,英语的16种时态一般进行完成完成进行现在一般现在时现在进行时,3,一构成：,have/has+,动词的过去分词（,done),被动结构：,have/has been+,动词的过去分词（,done,）,现在完成时,动词过去分词变化规则,：,1.,规则动词（其变化与过去式相同）：,(1)一般动词，在词尾直接加“-ed”。,e.g.,work,worked,visit,visited,ask asked,want wanted,(2)以不发音的“e”结尾的动词，只在词尾加“d”。,e.g.,live,lived,dance danced,love loved,change-changed,(3)以“辅音字母+y”结尾的动词，将y变为i，再加“-ed”。,e.g.,studystudied,crycried,trytried,carry carried,fry fried,(4)“重读闭音节”结尾，且末尾只有一个辅音字母，辅音字母前只有一个元音字母，先双写该辅音字母，再加“-ed”。,e.g.,stopstopped,planplanned,permit permitted,plan planned,一构成：have/has+动词的过去分词（done,4,2.,不规则动词：,be（am,is）（是）,-,was,-,been,be,（,is,）,-were-been,begin（开始）,-,began,-,begun drink（喝水）,-,drank,-,drunk,ring（响铃）,-,rang,-,rung sing（唱）,-,sang,-,sung,know（知道）,-,knew,-,known throw（投掷）,-,threw,-,thrown,show（出示）,-,showed,-,shown choose（选择）,-,chose,-,chosen,forget（忘记）,-,forgot,-,forgotten(forgot)eat（吃）,-,ate,-,eaten,speak（说，讲）,-,spoke,-,spoken drive（驾驶）,-,drove,-,driven,fall（落下）,-,fell,-,fallen give（给）,-,gave,-,given,take（取）,-,took,-,taken write（写）,-,wrote written,do（做）,-,did,-,done go（去）,-,went,-,gone,lie（平躺）,-,lay,-,lain see（看见）,-,saw,-,seen,wear（穿）,-,wore,-,worn cost（花费）,-,cost,-,cost,cut（割）,-,cut,-,cut hit（打）,-,hit,-,hit,hurt（伤害）,-,hurt,-,hurt let（让）,-,let,-,let,put（放）,-,put,-,put read（读）,-,read,-,read,rise,（升起）,-rose-risen arise,（出现、上升）,-arose-arisen,2.不规则动词：,5,一构成：,have/has+,动词的过去分词（,done),被动结构：,have/has been+,动词的过去分词（,done,）,二现在完成时的基本用法：,1.,表示,过去,发生的事或刚结束的动作对,现在,仍有,影响,或造成的,结果,。,e.g.,He has turned off the light.,他已把灯关了。,过去,现在（影响,/,结果）,现在完成时,一构成：have/has+动词的过去分词（done,6,练习：,He _(join)the army.,他参军了。,I _(clean)my room.我清理了我的房间,。,I_(visit)the Great Wall.,我参观过长城。,e.g.,I have lost my new bike.,我把新自行车丢了。,(,现在还未找到,),has joined,have cleaned,have visited,e.g.I have lost my new bike.,7,2.,表示,过去,开始的动作一直延续到,现在,(,句中用延续性动词,),e.g.,He has lived here since 1995.,自从,1995,年以来，他一直住在这儿。,2.表示过去开始的动作一直延续到现在(句中用延续性动词)e,8,e.g.,It has rained for three hours.,下了,3,小时雨了。,练习：,He_(work)there for three years.,他在那里工作已,3,年了。,I_(study)English since I was ten years old.,我从,10,岁开始学英语。,has worked,have studied,e.g.It has rained for three,9,一般现在时,一般过去时,现在完成时,一般将来时,一般过去时,过去将来时,过去进行时,现在完成进行时,We always tell the tense of a sentence by its,Time Adverbials,（时间状语）,一般现在时一般过去时现在完成时一般将来时一般过去时过去将来时,10,7.现在完成时,常,用的时间状语：,already,ever,never,yet,lately,recently,before,just,(而just now用一般过去时),for+时间段,（,e.g.for 3 days/for 5 years,）,since+时间点/过去时从句,（,e.g.since 2002/since 2012,）,ever since,so far,up to now/till now/,by now,by this time,in the past/last+时间段,（,e.g.in the past 10 years,）,these days,all these years,in recent years,over the past ten years,several times,7.现在完成时常用的时间状语：already,ever,11,1.,（2016福建）,So far this year we _(see)a fall in house price by between 5 and 10 percent.,2.,（2018全国）,Since 2011,the country _ (grow)more corn than rice.,3.With the rapid growth of population,the city_(change)in the past five years.,4.You dont need to describe her,I_(meet)her several times.,高考题回顾,have seen,has grown,has changed,have met,1.（2016福建）So far this year we,12,注意一：,非延续性动词,不能用于,“,现在完成时,+,段时间,”,的句型中。这些动词有：,come,go,start,leave,become,die,buy,finish,join,borrow,teach,lose,fall,stop,arrive,join,die,等。但它们能够,用表示持续状态的相应的延续性动词替换,句中的非延续性性动词。如：,arrive,come be here,be in,buy have,begin,start be on,die be dead,go out be out,fall asleep be asleep,borrow keep,finish,end be over,close be closed,leave,move be away,练习：,1.He _ a car for three years.,他这辆车买了三年了。,2.He _ for one minute.,他已经离开一分钟了。,has had,has been away,注意一：非延续性动词不能用于“现在完成时+段时间”的句型,13,注意二：,have been to,；,have/has gone to,和has been in/at,的区别：,has gone to,：去某地了（去了没回）（不与 for+一段时间连用）,has been to,：去过某地（去过已回来）（不与 for+一段时间 连用）,has been in/at,（in,+,大地点；at,+,小地点）：表示一直呆在某地（待了很久）（常与段时间连用）。,e.g.,She_ Beijing.,(,她去北京了未回,),She_Beijing.,（她去过北京回了）,She_ Beijing for ten years.,(,她待在北京,10,年了。,),has gone to,has been to,has been in,注意二：has gone to：去某地了（去了没回）（不与,14,Sentence one,This/It,is,the+序数词+time(that)sb.,has/have done,这是某人第几次做某事,。,（翻译）这是我第一次参观万里长城。,This/It is the first time(that)I have visited Beijing.,Sentence oneThis/It is the+序数词,15,Sentence,two,自从做某事以来至今已经有多久了,。,It,has been,+时间段+since+,过去时,瞬间动词,（翻译）自从我离开北京已经有十年了。,It has been 10 years since I left Beijing.,Sentence two自从做某事以来至今已经有多久了。It,16,这是现在已经做过的最,的。,Sentence three,