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*,*,本视频word文档和配套练习免费下载请登录,此讲只是本单元一部分,更多内容请登录,永远免费,2024/10/5,1,现 在 完 成 时,2024/10/5,2,现在完成时(态),陈述句,主+,has/have+,过去分词+,1,2,Ha has worked for 9 hours.,他已经工作九小时了,疑问句,Has/have+,主,+,过去分词+?,1,2,Has he worked for 9 hours?,他已经工作九个小时了吗?,否定句,主,+,has/have not,+,过去分词+,1,2,He has not worked for 9 hours,他还没有工作九个小时,2024/10/5,3,动作发生在过去某个不确定的时间,但对现在留下了某种影响和结果。,常被,just,、,already,、,yet,等副词修饰。,如,-Have you had lunch yet?,-Yes,I have.Ive just had it.,你（已经）吃午饭了吗？我刚刚吃过。（现在我不饿了）,表示从过去某一时刻开始一直持续到现在的动作或状态。,这个动作可能刚停止，可能仍然在进行。,常带有,for,和,since,等表示一段时间的状语。,如：,He has taught here since 1981,他自,1981,年就在这儿教书。（可能还要继续教）,I havent seen her for four years.,我有四年没见到她了。,现在完成时的概念,2024/10/5,4,already,一般用于肯定句中，,yet,一般用于否定句和 疑问句中。,We have already finished our homework.,我们已完成作业,They havent finished their homework yet.,他们还没有完成作业。,现在完成时的时间状语,用,ever,和,never,。多用于否定或疑问句中，表示“曾经”或“从未“等。,Have you ever been to the Great Wall?,你曾经去过长城吗？,I have never been to the Great Wall.,我从未去过长城。,用表示到说话为止的过去时间状语，,如,just,，,before,，,up to now,，,the past few years,等。,1,、,I have seen her before,，,but I can not remember where.,我以前见过她，但记不起在哪里见过。,2,、,He has been there three times the last few days.,近几年他去过那里三次,用包括“现在”在内的时间状语，如：,now,today,this morning(month,year.),例如：,-Have you met him today?-No,I havent.,今天你见过他吗？我 没有。,How many times have you been there this year?,今年你去过那里多少次？,2024/10/5,5,瞬间动词不能在完成时中和since/for连用,He has died for a year.,错,He has been dead for a year.,对,She has put on a shirt for a morning.,错,She has been in a shirt for a morning.,对,2024/10/5,6,瞬间动词不能在完成时中和since/for连用,arrive,be in+,地点,die,be dead,fall ill(asleep,sick),be ill(asleep,sick),get up,be up,get out,be out,finish,be over,Put on,wear,open,be open,join,be in,close,be closed,borrow,Keep/have,buy,Keep/have,catch a cold,have a cold,leave,be away,marry,be married,begin to work,work,2024/10/5,7,Sb be interested in,结构的时态记忆,:sb has been+interested,I have been interested in the game for several days.,He has been surprised at the news.,注意事项,Have gone to,去而未回,-have been to,曾去过某,-have been in,一直在某地,His mother has been in her hometown.,他的妈妈一直在家乡待着,She has never been to other places,她从没有去过其他地方,John has gone to England.,琼去了英格兰,现在完成时的标志词,Since(,表自从时,)-So far,到目前为止,We have been over all work so far.,到目前为止，我们已经完成了所有工作,现在完成时与,过去完成时的区别,现在完成时与,一般过去时的区别,2024/10/5,8,练习:用一般过去时或现在完成时完成句子,They(go)to America last year.,I am sorry,I(forget)your name.,My friend(finish)college last year.,He(not speak)to me since the class(begin),She(buy)a bike last month.,The man(lose)money yesterday.,I(read)the book in the library.,I(get)back the umbrella which I left in the bus.,I(never hear)her speak in public(,公共场所,),2024/10/5,9,10.A:I(get)up early this morning and(have)breakfast at 7:00 a.m.after breakfast,I(work)at my lessons.,B:I(not have)my breakfast until now.,11.Your dinner is ready;I(put)it on the table.,You (send)the letter off yesterday?,Bill(not find)his watch yet.,I am not hungry.I(just have)my dinner.,He(come)just a moment ago.,He(be)in,BeiJing,for 30 years.He(come)here in 1995,2024/10/5,10,Went,Have forget,Finish,has not spoken began,Bought,Lost,Read,Have got,Have never heard,Got,had,worked,havent had,Have put,Did send,Hasnt found,Have just had,Came,Has been,came,答 案,2024/10/5,11,谢谢收看,本讲结束,2024/10/5,12,
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