现在完成时ppt课件.ppt
Present perfect tense,中考专项复习-现在完成时,Learning aims 学习目标,通过本节课的学习,我能掌握现在完成时的句型,构成及动词过去分词的变化规则。系统掌握时态用法,并能根据具体的语言环境熟练使用。在用法上区分现在完成时与一般过去时。,现在完成时,Preview-check,Exercises,Focus,Self-study,现在完成时态的概念,句式构成。动词过去分词的变化规则。3.already与yet,以及have been to与have gone to 的用法区别,并能运用。4.对since+时间点或过去的句子,for+时间段的理解和运用。5.一般过去时的概念。,Preview-check,现在完成时态的概念,句式构成。动词过去分词的变化规则。3.already与yet,以及have been to与have gone to 的用法区别,并能运用。4.对since+时间点或过去的句子,for+时间段的理解和运用。5.一般过去时的概念。,Preview-check,现在完成时态的概念.1.用来表示过去发生或已经完成的动作对现在造成影响或后果。2.用来表示发生在过去某一时刻的,持续到现在的动作或状态。常与for(+时间段),since(+时间点或过去的句子)连用。,Preview-check,现在完成时态的构成.肯定句:主语+have/has+过去分词+其他成分否定句:主语+have/has+not+过去分词+其他成分一般疑问句:Have/Has+主语+过去分词+其他成分?Yes,主语+have/has./No,主语+havent/hasnt.特殊疑问句:特殊疑问词+have/has+主语+过去分词+其他成分?,动词过去分词的规则变化:,1.一般情况直接加 ed,如askasked,workworked2.以不发音的e结尾,只加d,如loveloved,dancedanced3.以辅音字母加y结尾,把y变为i,再加ed,如trytried,studystudied4.以一个元音字母和一个辅音结尾的重读闭音节结尾的动词(以重读闭音节或r音节结尾而末尾只有一个辅音字母),先双写末尾这个辅音字母,再加 ed,如shop/beg/hug/plan/control注:以l结尾的动词,尾音节重读时,双写l,如controlcontrolled;尾音节不重读时,双不双写都可以,如traveltraveled(美)/travelled(英)。,动词过去分词的规则变化,动词过去分词的不规则变化,如何巧记?,work play want move hope study copy carry taste watch stop try clap cook live,already与yet的用法区别.Have you read Little Women yet?Ive already finished reading it.She hasnt had any time to do it yet.She has read more than 100 different books already.,have been to与have gone to 的用法区别I have already been to Beijing three times.-Where is Tony?-Hes not here today.He has gone to Hangzhou.,对since+时间点或过去的句子,for+时间段的理解和运用。I have had this bike for three years.He has been dead since 1999.They have worked here since the factory opened.I have had the computer since six months ago.,Exercises,用所给词的适当形式填空。1.I_(join)the book club last month and I _(read)five books already.2.I only _(start)taking French classes last week and I _(learn)50 French words already.3.Tony _(buy)a pop music CD yesterday but he _(listen)to it yet.4.-Have you _(see)the robots at the science museum?-Yes,I _(go)there last weekend.,joined,have read,started,have learned,bought,hasnt listened,seen,went,Exercises,1.-_ you ever _ Dali?-Never.But I am going there this vacation.Do;go to B.Have;been to C.Have;gone to D.Will;go to2.My aunt is a writer.She_ more than ten books since 1980.writes B.wrote C.has written D.will write3.The Smiths came to Shanghai in 2008,they there for three years since then.live B.lived C.have lived D.will live,C,B,C,Exercises,1.They _ England and they will be back next week.A.have gone to B.have been to C.have gone in D.has been on2.Some students in Shanghai e-bags for several months.A.have B.have had C.had D.will have3.-Is Mr.Smith still in Shanghai?-Yes,he _ there for two months.A.has beenB.has gone C.has been toD.has gone to,A,B,B,Group-work,He has become one of the most popular singers in the world.He has _(become)one of the most polular singers in the world since 2009.How long _ he _(become)one of the most polular singers in the world?,been,has been,Group-work,延续性动词与非延续性动词非延续性动词如:begin,start,become,die,buy,leave,come.延续性动词如:live,work,have,keep,learn.如何把非延续性动词运用在for,since引导的句子中?如何变化?,Group-work,如何把非延续性动词运用在for,since引导的句子中?如何变化?1.-Its time to work now.-Ok.Ill wake him up.He _ for an hour.A.Has fallen asleep B.has been asleep2.-Dad,I _ the station for minutes,but nobody came to meet me.-Dont worry.Ill go to meet you soon.A.arrived at B.have been at C.will reach D.have arrived at,B,B,Group-work,如何把非延续性动词运用在for,since引导的句子中?如何变化?3.She _ this book for nearly three weeks.A.has borrowed B.has lent C.has bought D.has kept4.Echo _ for half a month.Shell come hack in two months.left B.leave C.has left D.has been away,D,D,Group-work,如何把非延续性动词运用在for,since引导的句子中?如何变化?borrow-keep buy-haveopen-be open die-be deadleave-be away begin/start-be onjoin-be in go out-be outfinish-be over put on-be on,Group-work,如何把非延续性动词运用在for,since引导的句子中?如何变化?The film hasnt started since the worker went out.非延续性动词的否定形式可以用于for,since引导的句子中。,走进中考 Present perfect tense,Focus,用所给词的适当时态填空:1.He often _(go)to school by bike.2.I _(come)to Tianjin in 1994.3.His aunt _(be)a actress ten years ago.4.I_ already _(finish)my homework.5.She _(do)her housework yet.6.He _(live)in Beijing for three years.7.They _(be)in this school since eight years ago.8.He isnt here.He _(go)to Beijing.9.She _ never _(be)there before.10.The teacher _ just _(finish)teaching us.,goes,came,has lived,have been,has gone,has been,has finished,hasnt done,was,have finished,用所给词的适当时态填空:1.So far they _(learn)two thousand words.2.He says he _(never see)such an exciting match before.3.She _(live)here ever since she was ten.4.Both of them _(be)in Hong Kong for ten days.5.Both of them _(come)to Hong Kong ten days ago.6.Mary_(lose)her pen._ you _(see)it recently?7._ you _(find)your watch yet?8.-Are you thirsty?-No I _just _(have)some orange.,have learned,has never seen,has lived,have been,came,lost Have seen,Have found,have had,用所给词的适当时态填空:1.We already _(return)the book.2._ they already_(build)a school in the village?3.I _(not finish)my homework.Can you help me?4.My father _(read)the novel twice.5.I _(buy)a book just now.6.I _(lose)my watch yesterday.7.My father _(read)this book since yesterday.8.He_(learn)about 5,000 English words since he_(go)to college.,have returned,Have built,has read,lost,havent finished,bought,has read,has learnedwent,Homework:过去完成时 Past perfect tense,He says that he _(eat)breakfast before.He said that he _(have)breakfast before.,has eaten,had eaten,THANKS,此课件下载可自行编辑修改,此课件供参考!部分内容来源于网络,如有侵权请与我联系删除!,