2022年外研版八年级下Module4U3课件

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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,*,Present Perfect Tense,Revision,可参考语言材料,Have you,read yet?,Yes,I have./No,I havent.,Has he/she,read yet?,Yes,he/she has.,No,he/she hasnt.,情境任务,1,Have you read these books?,the water park,the zoo,the amusement park,情境任务,2,可参考语言材料,A:Have you ever been to?,B:Yes,I have./No,I havent.,A:Ive been to many times.,B:Me,too.,toy bear,Do you have at home?,How long,have,you,had,the?,I have had,for years./since years ago.,情境任务,3,old books,cap,Language points,一、现在完成时的结构:,动词的,过去分词,的变化规则,(一)规则变化,:,(助动词),have/has+,动词的,过去分词,1.,一般在动词词尾直接加,ed,。,2.,以不发音的,e,结尾的动词后面加,d,。,如:,like liked liked;,phone phoned phoned,如:,pick picked picked;,wish wished wished;,study studied studied;,hurry hurried hurried;,3.,以“辅音字母,+y”,结尾的动词,变,y,为,i,,再加,-ed,。如:,4.,词尾只有一个辅音字母的重读闭音节动词,要双写辅音字母,再加,-ed,。如:,stop stopped stopped;,plan planned planned,不规则变化:,1.,AAA,式,,如:,let let let cut cut cut,put put put cost cost,cost,2.,ABB,式,,如:,feel felt felt,keep kept kept,3.ABA,式,如:,4.ABC,式,如:,be was/were been,swim swam swum,drink drank drunk,come came come,beat,beat,beaten,式,如:,活学活用,Write the forms of the past tense and,past participle:,be _ _,see _ _,read _ _,leave _ _,come _ _,was/were been,saw seen,read read,left left,came come,.“,完成法,”,(基本用法),:表示,过去发生,或已经完成的某一动作,对现在,造成的,影响,或结果。,标志词,:,already,、,never,、,ever,、,just,、,yet,、,before,、,twice,so far,等,。,.“,未完成法,”:表示动作或状态,从过去已经开始,,,持续到现在,并有可能,延续到将来,。,标志词,:,for,一段时间;,since,过去时间状语或,一般过去时,的句子。,二、,现在完成时,的用法:,三、现在完成时的各种句式:,.,陈述句:,.,否定句:,3.,一般疑问句:,4.,特殊疑问句:,主语,have/has,+,过去分词其它成分。,主语,have/has,+,not,+,过去分词其它成分。,Have/Has,+,主语,过去分词其它成分?,Yes,,,主语,have/has.No,主语,havent/hasn t.,特殊疑问词,have/has,主语,+,过去分词,+,其它成分?,考点解读,四、,中考考点解读:,考点一:考查基本用法,例如:,His parents look very sad.Maybe they _whats happened to him.,.knew,.have known,.must know,.will know,简析:,现在完成时主要,强调过去发生,的动作对现在造成的影响,,重点在于对现在的影响,。这种考查难度较大,往往无时间状语,需要从上下文分析、推理才行。故上两侧根据上下文分析、推理,正确答案是,。,考点二:考查时间状语,()例,1.Have you met Mr Li _,?,.before,.ago,.just,.a moment ago,()例,2.Our country has changed a lot,_,.,Yes.I hope it will be even _.,.so far;well,.before;good,.so far;better,.before;better,()例,3.Zhao Lan has already studied in this school_.,.two years,.since two years,.for two years,.two years ago,()例,4.We have known Xiao Li_ she was a little girl.,.for,.while,.,since,.when,()例,5.Harry Potter is a very nice film.I have seen it_.,.two,.twice,.second,.a second,A,现在完成时的时间状语常有如下四类:,现在完成时常与(已经,),(刚刚,正好),,(曾经),(从来,也不;从不),(以前,),,(仍然)等连用。,(2),现在完成时时常与“,+,时间段或,+,过去时间点”连用(或,+,过去时,从句)。,(3),现在完成时还与(一次),(两次),(三次,),等表示重复次数的词语连用。,(4),现在完成时常与,recently,(近来),,so far,(到目前为止),,in the past/“last+,一段时间”,等时间状语连用。因为上述短语表示的是从现在起往前推算的一段时间,句中的动作是从过去某一时间或时刻开始持续到现在的。,already,just,ever,never,before,yet,for,since,once,twice,three times,反思提升,考点三:考查与一般过去时的区别,例,1.These farmers have been to the United States.,Really?,When,_ there?,.will they go,.did they go,.do they go,.have they gone,例,2._ you _ your homework,yet,?Yes.I _ it a moment,ago,.,.Did;do;finished,B.Have;done ;finished,.Have;done;have finished,.will;do;finish,简析:,现在完成时与一般过去时容易混淆,就是因为它们所表示的动作都发生在过去,但二者又有区别:一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作,说话的侧重点在于陈述一件过去的事情,与现在没有关系;现在完成时表示与现在有关系的发生在过去的动作,它不与表示过去的时间状语(如,yesterday,last week,a moment ago,等)连用。故例、的正确答案皆为,B,。,B,B,现在完成时中,,非延续性动词,不能,与,for,和,since,引导的表示,一段时间的状语,连用,非延续性动词与一段时间连用时可采用下列方法:,攻破难关,考点四:,考查非延续性动词的用法,将非延续性动词转换为延续性动词的方法,1),直接用延续性动词,buy put on-,catch(get)a cold,borrow come/go/become,2),转换成,be+,名词,join the Party,have,wear,have a cold,keep,be,be a party member,3),转换成,be+,形容词或副词,die,finish,begin leave,fall asleep close,4),转换成,be+,介词短语,go to school,be in school,join the army,be in the army,be dead,be over,be on,be away(from),be asleep,be closed,非延续性动词的用法中考真题,1.His father _ the Party since 1978.,.joined,.has joined,.was in,.has been in2.,Hurry up!The play _ for ten minutes.,.has begun,.had begun,.has been on,.began,3.How long have you _ here?About two months.,.been,.gone,.come,.arrived,D,C,A,非延续性动词的用法中考真题,4.His uncle died two years ago.,(同义句),His uncle has _ _ for two years.,5.Her mother has been a Party member for three years.,(同义句),Her mother _ the Party three years _.,been dead,joined,ago,(),(,),(),(),(),(),(),(),a.I have bought a new dictionary for a week.,b.I have had a new dictionary for a week.,我买一本新词典已有一星期了。,b.They have come here for two days.,a.They have been here for two days.,他们来这儿已经两天了。,a.He has joined the Party for two years.,b.He has been a Party member for two years.,他已入党两年了。,a.The man has been dead for several years.,b.The man has died for several years.,这个人已经死了几年了。,请 判 断,轻松一刻,考点五:考查词组,have/has been in/to,与,have/has gone to,的区别,例,1.Miss Green isnt in the office.She_ to the library.,.has gone,.went,.will go,.has been,例,2.My parents _ Shandong for ten years.,.have been in,.have been to,.have gone to,.have been,简析:“,have/has gone to+,地点,”表示“某人去了某地(还未回来)”,指主语所指的人不在这儿。“,have/has been in+,地点,”表示“在某地呆了多长时间”,常与表示时间的状语连用。“,have/has been to,+,地点,”表示“曾经去过某地(但现在已不在那儿)。”故例,1,、,2,的正确答案皆为,A,。,A,A,()1.Jim has made some friends since he _to China.,A.comes B.came C.has come D.will come,(
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