牛津版八年级英语下现在完成时态ppt课件.ppt

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1、Present Perfect Tense,Designer: Xue Na Chunhua Middle School,Present perfect tense 现在完成时,构成:用法一:,表示过去发生的某一动作对现在造成的影响或产生的结果.现在完成时这一时态强调是过去动作与现在的联系,也就是强调现在的影响和结果.,have/has + 过去分词,1.都表示过去发生的事2.现在完成时强调过去和现在的联系,不能和具体的时间状语连用;3.一般过去时强调过去发生的事或状态与表示过去的具体时间连用(last, ago, yesterday, etc. ),present,past,I have l

2、ived here for two years,I lived there 2 years ago,eg.1. He had his breakfast at 6:00 He has had his breakfast. 2. When did you come here? I watched the football match on TV at 9:00.,Adverbs of time,before, by now (so far), once, twice, just, recently yet(否/疑), already(肯), ever, never, all ones life

3、, in /during the past /last 5 years,Exercises,1. I _(have) lunch already.2. Has the train_ (arrive), yet?3.Tome _ never_ (be to ) China.4. The twin _just _(see) my father.5. The twins _(see) my father just now.6. Many tall buildings _(build) in the past 5 years.,have had,arrived,has,been to,has,seen

4、,saw,have been built,用法二: for+段时间 since+点时间 since+句子(过去时)E.g. Kate has lived here for 3 years. Kate has lived here since 3 years ago. Kate has lived here since she came to China.,表示过去某个时间开始的动作或存在的状态,一直持续到现在并可能还将持续下去。动词使用延续性动词。常与for或since引导的时间连用,常见非延续性动词和延续性动词的转变,arrive/come/go to die become a borrow

5、Leave/ move buy openjoin start/begin finish/ endcatch a cold get up get to know get out close wake upgo to sleepbecome interested in,be in,be dead,have,keep,be away / be out,be a,be in/a member of,be open,be on,be over,have a cold,be up,know,be out,be closed,be awake,be asleep/ sleep,be interested i

6、n,Exercises,His father has died. (for 2 years)The football match has begun.(since9:00a.m)The twins have joined the army. (since they are 18years old)My teacher has just left Nanjing. (for 3 days),His father has been dead for 2 years.,The football match has been on since 9:00 a.m.,The twins have been

7、 soldiers/ been in the army since they are 18years old.,My teacher has been away from Nanjing for 3 days,重点句型:It is/ has been+段时间+since从句 段时间+has passed+ since从句,eg. 他死了两年了:He died two years ago.He has been dead for two years /since two years ago It is/ has been two years since he died.Two years has

8、 passed since he died.,1. 这本书我借了一个月了。,I borrowed this book a month ago.,It is/ has been a month since I borrowed the book.,I have kept the book for a month. /since a month ago.,A month has passed since I borrowed the book.,Have/has gone tohave/has been to have/has been in,have/has gone to:已经去了或在途中,还

9、没有返回;have/has been to:曾今去过某地,现在已经回来了,后面可接表示“次数”的状语; have/has been in:表示某人“已在某地停留一段时间,现仍在那里”,其后常带表示一段时间的状语。,Exercises,Tom 在哪儿? 他去书店买书了。我在北京待了5年了。Jack 去过上海两次了,-Where is Tom?-He has gone to the bookshop to buy some books.,I have been in Beijing for 5 years.,Jack has been to Shanghai twice.,Correcting,1

10、. I have borrowed the book for 3 months.2. My bother has joined the army since he was 18.3. Jack and Tom have lived here since 5years.4. The film has been on since I have come to the cinema.5. When has Mr. Li caught a bad cold?,have kept,has been in/ been a member of the army,since 5 years ago/ for

11、5 years,came,did,catch,6. Ten years have passed since they got married.7. Jim has gone to Beijing for 2 years.8.What time have the factory opened?9.I have gone to Chunhua Middle School twice,has,has been in,did,open,been to,Exercises,I am an American boy I came to China two years ago. I _(study) her

12、e for two years. My father often (take) me_ (play) football on the playground. Last week I _ (take) to the park by him. We saw a lot of monkeys (jump) in the tree. I heard a voice from behind When I (walk ) along the river. I thought myself. “It must_ (be) Mr. Brown. He _(take) photos.” We_ (enjoy) that day. We _ (go) back to America next week.,have studied,takes,to play,Was taken,waked,jump,be,is taking,enjoyed,will go,

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