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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,*,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,Welcome !,现在完成时,(1). 句型结构：,have / has + done,He has already finished his homework.,He hasnt finished his homework yet. (否定句，在,has, have,后+not,),Has he finished his homework yet? (一般疑问句，将,has, have,提到句首),Yes, he has. / No, he hasnt. (回答),(2). 用法：1).过去发生的动作对现在造成的影响。,I have closed the door. (门现在是关的),2).过去已经开始，持续到现在的动作或状态。,We have lived here for two years. (从过去住到现在),3).表示开始于过去并持续到现在的动作或状态。（动词,多为延续性动词）,时间状语：表示从过去某一时刻延续到现在的一段时间的状语, 常由for/since引导,（for+时间段，since+时间点）,。,eg. for an hour, for two weeks, for ten years,since 2000, since last week/month/year/, since three days ago,since he came here,We have stayed here,for two weeks,.,Mr. Green has lived in China,since 2000,.,Since 后的从句时要用一般过去式,We have done several things since we came back.,用since或for填空：,1.I have been at this school_ more than two,months.,2.She has worked in the factory_ two years ago.,3.Mr Green has lived in the city_ he was born.,4.His father has been a Party member_ twenty,years.,5.They have visited many countries_ 2000.,6.We have worked there _ a long time.,7.How many books have you read _ last month.,8.They have done something useful to improve the,environment_ they came to Sanming.,9.What have you done _ you became a student?,for,since,since,for,since,for,since,since,since,常用短暂性动词和延续性动词,buyhave borrowkeep,become/getbe finishbe over,diebe dead leavebe away from,come/go backbe back begin - be on,joinbe a member of /be in,eg.1) The river has become dirty.,The river,has been,dirty,for a long time,.,2) My father has left Sanming.,My father,has been away from,Sanming,since last month,.,3) The TV play has begun.,The TV play,has been on,since two hours ago.,1.The scientist _from home for three months.,A. has left away B. left away C. has been away,2.Mr Brown _ in China since 1984.,A. has been B. has come C. was,3.Her grandma has _for three years.,A. died B. been dead C. death.,4.My mother _in the school for a long time.,A. begins to teach B. has taught,C. has begun to teach,5. The interesting film _ for some time.,A. has been on B. began C. has begun.,C,A,B,B,A,Judge right or wrong:,1.I have bought a dictionary . ( ),I have bought a dictionary for two years. ( ),I have had a dictionary for two years. ( ),The old man has died for a week. ( ),The old man has died. ( ),The old man has been dead for a week. ( ),Mother has been asleep since ten oclock. ( ),Mother has fallen asleep since ten oclock. ( ),Mother has fallen asleep. ( ),His grandpa has died.,His grandpa _ _ _ for some time.,2. The river has become very dirty.,The river _ _ dirty since last year.,3. I have borrowed this book .,I _ _ this book since last Wednesday.,4. Tom has joined “Greener China”.,Tom _ _ _ _ _ Greener China,Since he was 20 years old.,5. My uncle has left.,My uncle _ _ _ since half an hour ago,She has bought a new bike.,She _ _ a new bike for two weeks,has been dead,has been,have kept,has been a member of,has been away,has had,（1）选择,1.-_has this food store been in business?,- Since 2001.,A.How long B.How often C.How old D.How soon,Excuse me, has the train arrived _?,A.already,B.either,C.yet,D.just,3.How long has he had the nice car?,_1999.,A.In B.since C.from,D.after,（,2,）,.,改错,4.I live here since 1999.,5.She has learnt English since over two years.,I have lived here since 1999,She has learnt English for over two years.,（1）Have.got? = Do you have.你有.？,回答:肯定 Yes, I have.否定 No, I have not.,（2）have been to ，have gone to，have been in,Have been to 指到过某地且已回来,Have gone to 指去某地且还没回来,Have been in 指一直待在某地,现在完成时：助动词have（has）过去分词,疑问句：Have you.?,回答：Yes , I have. No, I have not,.,Key points,have been to,have gone to,have been in,重点分清,have been to,表示,去过,某地，现在,已回来,，不在该地,have gone to,已去了某地，说话人不在说话地点，还,未回来,have been in,已在某地呆了多久，表示,持续性,的状态,用have gone to, have been in, have been to的适当形式填空.,1.Where _you _, Lily?,2.Miss King isnt here. She_ England.,3.Where are the boys? They _the teachers office.,4.She_never _ Hawaii before.,5.Tom _ China since 1998.,6.-Where is Jim?,-He_Hainan.,7.How long_you _ _Hawaii?,has gone to,have gone to,has,been to,has been in,have been,has gone to,have been in,(3)一般过去时与现在完成时的区别,一般过去时只强调在过去发生过某事或关注的是动作发生的时间、地点、方式等。而现在完成时则强调过去的动作对现在的影响，因此，若现在影响并不存在时就不能用现在完成时了。,如：,I saw the movie yesterday.,我昨天看了这部电影。,(强调电影是昨天看的),I have already seen the film.,我已经看过这部电影了。,(强调到现在为止看过这部电影了),七.作业,.,翻译句子：,1 我叔叔昨天出发到广州。,2 我叔叔已经去广州了。,3 我叔叔去广州两天了。,4 你完成作业了吗？,5 你什么时候做作业？今天早上。,See you !,Thank you !,
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