,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,*,*,Unit1,语法专项课件,（现在完成时,1,）,初中英语译林版八年级下册,Unit1初中英语译林版八年级下册,Part,语法透析,考点大观,易错辨析,通关训练,Part语法透析考点大观,语法透视,考点大观,易错辨析,通关训练,现在完成时定义,现在完成时定义三要素,：,1,.,表,示到现在为止已经完成或刚刚完成的动作。,2,.一件发生在过去的事情对现在产生影响。,3,.一个动作开始于过去，并持续到现在（也许还将持续下去）。,We,have known,each other since 2005.,我们从,2005,年认识的。,I,have lived,in Wuhan for several years.,我在武汉住了好几年了。,语法透视考点大观易错辨析通关训练现在完成时定义现在完成时定义,现在完成时结构,语法透视,考点大观,易错辨析,通关训练,肯定句：主语+have/has+过去分词+.,否定句,:,主语+havent(have not)+过去分词,主语+hasnt(has not)+过去分词.,疑问句:Have/Has+主语+过去分词.?,I,havent finished,my homework.,我还没有完成作业。,Have,you,finished,your homework?,你完成作业了没？,I,have finished,my homework.,我已经完成作业了。,现在完成时结构语法透视考点大观易错辨析通关训练肯定句：主语,现在完成时的用法,语法透视,考点大观,易错辨析,通关训练,1)表,示到现在为止已经完成或刚刚完成的动作。,Now we,have planted,all the trees.,截止目前，我们种完了所有的树。,He,has,just,come,back.他已经回来了。,They,have built,many buildings in this city.,他们在这个城市建成了好多建筑物。,现在完成时的用法语法透视考点大观易错辨析通关训练1)表示到,现在完成时的用法,语法透视,考点大观,易错辨析,通关训练,2),表示过去发生的动作,强调结果或对现在的影响。,Someone,has broken,the window.,I,have,already,lost,the key.,I,havent read,that book yet.,I,have,just,cleaned,my hands.,(,窗户现在是坏的,),(,我现在没有钥匙,),(,不了解书的内容,),(,手是干净的,),现在完成时的用法语法透视考点大观易错辨析通关训练2)表示过,现在完成时的用法,语法透视,考点大观,易错辨析,通关训练,3)表示从过去开始并持续到现在的动作或状态。,She,has learned,English for 5 years.,她学英语已经五年了。,He,has lived,in Beijing since he was born.,从他出生那天起就住在北京。,Has,he,lived,in Shenzhen for 4 years?,他住在深圳四年了吗？,现在完成时的用法语法透视考点大观易错辨析通关训练3)表示从,语法透视,考点大观,易错辨析,通关训练,过去分词的变化（规则）,(,1)一般动词，在词尾直接加“ed”。,work-worked-worked,(2)以“e”结尾的动词，只在词尾加“d”。,live-lived-lived,(3)以“辅音字母+y”结尾的动词，将“y”变为“i”，再加“ed”。,study-studied-studied,(4)重读闭音节结尾，末尾只有一个辅音字母，先双写该辅音字母，再加“ed”。,drop-dropped-dropped,语法透视考点大观易错辨析通关训练过去分词的变化（规则）(1),语法透视,考点大观,易错辨析,通关训练,过去分词的变化（不规则）,A.,过去分词与不规则动词的过去式形式一样,have,hadhad,spend spentspent,make,mademade,saysaidsaid,find,foundfound,hear,heardheard,meetmetmet,leaveleftleft,fly,fliedflied,语法透视考点大观易错辨析通关训练过去分词的变化（不规则）A.,语法透视,考点大观,易错辨析,通关训练,过去分词的变化（不规则）,B.,过去分词与过去式形式不一样,taketooktaken,see,saw,seen,speak spokespoken,sing,sangsung,drivedrovedriven,be,was/werebeen,go,wentgone,语法透视考点大观易错辨析通关训练过去分词的变化（不规则）B.,语法透视,考点大观,易错辨析,通关训练,过去分词的变化（不规则）,C.,过去分词，过去式与动词原形一样,cutcutcut,put putput,let,letlet,readreadread,语法透视考点大观易错辨析通关训练过去分词的变化（不规则）C.,语法透视,考点大观,易错辨析,通关训练,现在完成时的标志词,1,标志词：,already(,已经,),yet(,已经,),already:,常用于肯定句中,.,yet:,常用于否定句,疑问句尾,.,I have,already,seen this film.,我已经看过这部电影了。,I havent seen this film,yet,.,我还没有看这部电影。,Have you seen this film,yet,?,你看过这部电影了没？,语法透视考点大观易错辨析通关训练现在完成时的标志词1标志词：,语法透视,考点大观,易错辨析,通关训练,现在完成时的标志词,2,since:(,自,以来,),1)since+,时间点,Hehasstayedhere,since5oclock.,2)since+,时间段,+ago,Hehasstayedhere,since5hoursago.,3)since+,从句,ShehastaughtEnglish,sincehecamehere,.,for,:(,长达）,for+,时间段,He has kept the book,for 2 weeks.,语法透视考点大观易错辨析通关训练现在完成时的标志词2sinc,语法透视,考点大观,易错辨析,通关训练,辨析,have been to,和,have gone to,have been to someplace.,曾经去过某地，已经回来,has gone to someplace.,某人去了某地，还没有回来,My father,has gone to,Shanghai for a meeting.,他（已经）去了上海。,My father,has been to,Shanghai for a meeting.,他（曾经）去了上海。,语法透视考点大观易错辨析通关训练辨析 have been t,语法透视,Next,考点大观,易错辨析,通关训练,Mr.Brown has had his TV _ 15 years.,Ive taken driving lessons _last month.,My sister has had her cell phone _a month.,My friends havent visited me _my birthday.,We havent used our car _ a long time.,She hasnt had a good cup of coffee _years.,Tom has worn glasses _he was 7 years old.,for,since,for,since,for,for,since,用,for,或,since,填空,语法透视Next考点大观易错辨析通关训练Mr.Brown,语法透视,考点大观,易错辨析,通关训练,用,have/has been to,have/has gone to,填空,1.Where is your brother?,He _ the shop.Hell be back soon.,2._ you ever _ to America?,Yes,I _ New York twice.,3.Here you are at last!Where _ you _?,I _ London.,4.David _Australia.,Im sure hes already arrived.,5.Is Benny here?,No,he _ the school library.He left,five minutes ago.,has gone to,Have been to,have been to,have been,have been to,has gone to,has gone to,语法透视考点大观易错辨析通关训练用have/has been,