八年级英语上册 Unit 6 Ancient stories Grammar课件 .ppt
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1、Unit 6 Grammar,The present perfect tense,动词过去分词,一、规则动词的过去分词的构成及其读音与动词的过去式相同 1 直接在动词词尾加ed构成 例如:call called called 2 以e结尾的直接加d构成 例如:agree agreed agreed live lived lived,你还记得动词形式的变化吗?,e.g. like liked liked,3 以元音字母加y结尾的直接加ed构成: 例如:play played played (enjoy ,stay) 4 以辅音字母加y结尾的,把y变i为再加ed构成: 例如:study studi
2、ed studied 5 以重读闭音节结尾的末尾只有一个辅音字母的,应 先双写辅音字母,再加ed构成: 例如: drop dropped dropped stop stopped stopped prefer preferred preferred travel travelled travelled,背诵表格,hurthurthurt hurtbuybuy bought boughtkeepkeep kept kepthave/hashave/has had hadhidehide hid hidden,seesee saw seenknowknow knew knownhearhear h
3、eard heardsitsit sat satthinkthink thought thought,He has hurt his foot.,hurt,看图说话,run across /zebra crossing.,He has run across the zebra crossing.,看图说话,He has caught a mouse.,catch,看图说话,He has read a book.,看图说话,play the piano,She has played the piano.,看图说话,we/make two cakes,We have made two cakes.
4、,看图说话,Transformation of sentences,I have finished.否定句I have not finished.=Ive not finished.= I havent finished.一般疑问句Have you finished?肯定/否定回答Yes, I have.No, I havent.,She has played the piano.否定句She has not played the piano.=Shes not played the piano. =She hasnt played the piano.一般疑问句Has she played
5、the piano?肯定/否定回答Yes, she has.No, she hasnt.就划线部分提问What has she done?,1.现在完成时态常与一些时间状语连用,请写出中文意思。,yet还,仍already已经just只是before之前ever曾never 从不 recently最近 so far 迄今为止,till/until直到 up to now直到现在 in the past few years在过去的几年 since 自从,深入学习!,2.already已经& yet还;仍 already用于肯定句,yet常用于否定句和疑问句。如: I have seen the
6、film already. 我已经看过这部电影了 He hasnt come back from Shanghai yet. 他还没从上海回来,3.ever曾经 。常用于疑问句, never从不。常用于陈述句。如: Has Anne ever been to Australia? Anne去过澳洲吗? My mother has never travelled by air. 我妈妈从来没有坐过飞机。,4. since three months. ) I have studied in Hai Wang Middle School for two years. 我在海旺中学读了两年书。,Sin
7、ce后面可加句子,Since and for,1. Since +时间点 ,for+时间段。,since,now,(for 4 years),1990,1986,I have lived in Shenzhen since 1986.I have lived in Shenzhen for four years.,I have taught English since 1985.I have taught English for fifteen years.,John has been a Young Pioneer for four years.John has been a Young P
8、ioneer since 1996.,用since或for填空,1.My father has lived in Sydney _1986.2.He has been back _three days.3.Mr.Li has taught Chinese in our school _ten years.4.My aunt has stayed here _February.5. The football match has been on _ ten minutes.6.I have seen him _he moved to Shenzhen.7.We have known each ot
9、her _seven years.8.We have known each other _1980.,since,for,for,since,for,since,for,since,我们在做题时,遇到for, since 时,一定要注意句子中的动词。在现在完成时中,有两种动词:1.延续性;2.非延续性(即短暂性动词)。也就是说,短暂性动词不能和 for ,since 一起用,如果短暂性动词遇到for ,since ,就必须变成延续性动词。,How long (现在完成时)+延续性动词,have gone to, have been to, have been in,a. Jim has gon
10、e to London with his family. (He is on his way or in London now)b. Jim has been to London before. (He is back now.)c. Jim has been in London for two weeks. (He went to London two weeks ago and he is still there)I have never been to the Great Wall.He has gone to the supermarket.,热门考点!,1.你知道have gone
11、to、have been to、have been in的意思吗?答:have gone to意为“_”,说话时该人不在现场;have been to意为“_”,现在已不在那里了,后可接次数,如once,twice,three times等,表示“_”,也可和 just,never,ever等连用。have been in表示“_”,常与时间段状语连用。如:I have been in Shanghai for three years我到上海已有三年了。,去,去过,去过。次,在,热门考点!,练一练,1.- Hello, this is King speaking. Could I speak
12、to Tina? - Sorry. She _ Dong Men.A. has been to B. went to C. has gone to D. have been in 2.我曾经去过很多国家,但还没去过法国。I have _ _many countries, but I havent been to France yet.,C,been to,延续性动词与终止性/瞬间性动词(非延续性动词),终止性/瞬间性动词不可延续,所以不可与表示一段时间的状语连用.: Ive left my hometown for 10 years.: Ive been away from my hometo
13、wn for 10 years.: He has borrowed this book for a week. : He has kept this book for a week. 但它们的否定式可以与一段时间状语连用.Eg. I havent bought any new clothes for three months.,常见的有:come, go, arrive, reach, get to, open, close, leave, begin, start, stop, lose, buy, borrow, join, die, marry, become, get up, rece
14、ive等,均不能同“for+段时间”的状语连用。如果表达上述非延续性动词“继续多长时间”的概念,则须要改用系表结构,多为be+形容词(副词、介词短语等)构成。,假如瞬间性动词想变成延续性动词的话,就要用以下方法转变: open-been open close-been closed leave-been away (from) begin/start-been on buy-have borrow-kept,join-been in die-been dead marry-been married become-beenHe has come back. He has been back fo
15、r a week.He has been back since a week ago.He came back a week ago.It is a week since he came back.,试一试:试比较每组中哪个是正确的!He has come here for seven years. He has been here for seven years.,This factory has opened for several years. This factory has been open for several years.,Helen has borrowed the boo
16、k for a month. Helen has kept the book for a month.,F,T,F,T,F,T,课堂小练习!,他去那儿一周了.,1.He has gone there for a week.2.He has been there for a week.3.He has gone there since a week ago.,F,T,F,她回家来有两年时间。,1.She has come home for two years.2. She came home two years ago.3. She has been back home for two year
17、s.4. It is two years since she came back home.,F,T,T,T,他入党已有十年的时间。,1. He joined the Party 10 years ago. 2. He has joined the Party for 10 years. 3. He has been a Party member for 10 years. 4. It is 10 years since he joined the Party.,T,F,T,T,这本书我已借了五天。,1. I have borrowed the book for five days. 2. I
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