现在完成时现在完成时He is full.He has had a big breakfast.1.过去某一时间点发生的动作对现在产生影响过去某一时间点发生的动作对现在产生影响功能：功能：2.过去某一时间点发生的动作持续过去某一时间点发生的动作持续 到现在或还将持续下去到现在或还将持续下去have/has+done 助动词助动词（可以帮助（可以帮助构成肯定、疑问和构成肯定、疑问和否定句）否定句）现在完成时现在完成时一一.构成构成:have/has+done(过去分词过去分词)过去分词过去分词(pp)其变化方法和动词过去式基本相同其变化方法和动词过去式基本相同有部分不同，需要记好有部分不同，需要记好He has lived in Shenzhen for 4 years.Has he lived in Shenzhen for 4 years?Yes,he has./No,he hasnt.1.He has cleaned his room.(写一个一般疑问句）写一个一般疑问句）Has he cleaned his room?2.She has lived in London for four years.(划线部分提问）划线部分提问）How long has she lived in London?3.He has been to China,_ _?（写出反义疑问句部分）（写出反义疑问句部分）hasnt he 4.They have come back from work.(写否定句）写否定句）They havent come back from work.A:Have you surfed the internet(上网上网)?B:Yes,I have./No,I havent.talk on the phone for an hour play soccereat(eaten)French Friessee (seen)a tiger 一、意义：一、意义：1)过去过去 对对 现在现在（影响和结果）（影响和结果）2）过去）过去 到到 现在现在（延续性）（延续性）Someone has broken the window.(窗户现在是坏的窗户现在是坏的)I have already lost the key.(我现在没有钥匙我现在没有钥匙)I havent read that book yet.(不了解书的内容不了解书的内容)I have just cleaned my hands.(手是干净的手是干净的)I have taught in this school for nine years.(持续到持续到现在）现在）常与常与already(已经已经),yet(已经已经),just(刚刚刚刚),ever(曾经曾经)等词连等词连用用.already:常用于肯定句中常用于肯定句中.yet:常用于否定句常用于否定句,疑问句尾疑问句尾.A:_ your brother _ his homework yet?(finish)B:Yes,he s already done it.Has finished yet already 注意：注意：already 用于肯定句，用于肯定句，yet 用于疑问句和否定句中用于疑问句和否定句中A:_ you ever _ to the park?(be)B:No,never.Have been yet already ever never 注意：注意：ever 曾经曾经 用于疑问句中用于疑问句中 never 从不从不 带有否定意义带有否定意义I _ just _ the desk,you can take it to your classroom.(mend)have mended yet ever never just already Just 刚刚刚刚 与现在完成时连用与现在完成时连用 一般置句中一般置句中Just now 刚才刚才 与一般过去时连用与一般过去时连用Tom _ in the factory since he left school ten years ago.(work)has worked yet ever never since already since 后面带后面带过去时间过去时间或或有一般过去时有一般过去时的句子的句子A:How long _ you _ in this school?(teach)B:For 6 years.have taught yet ever never since for already +一段时间一段时间We _ only _ 100 trees so far.(answer)have planted yet ever never since for just already so far 到目前为止到目前为止 yet ever never since for just before already so far in the past 10 years twice 也可以是其他表示次数的词也可以是其他表示次数的词how longhave been 与have gone 的用法比较 have been to 意思是意思是“到过，去过到过，去过”，表示，表示曾经到过某处曾经到过某处，但现在人不在那儿。
但现在人不在那儿have gone to 意思是意思是“去了去了”，表示，表示已经去已经去了了某地，现在人可能在去的途中或已在那某地，现在人可能在去的途中或已在那儿了have been in 意思是意思是“呆在某处一段时间了呆在某处一段时间了”上一页下一页主菜单 Has she ever been to Nanjing?Has she ever been to Nanjing?她曾去过南京吗？她曾去过南京吗？You have never been there,have you?You have never been there,have you?你以前从未去过那儿，是吗？你以前从未去过那儿，是吗？I have been to GuilingI have been to Guiling,I went there ,I went there last year.last year.我去过桂林，我去年去的我去过桂林，我去年去的She has gone to Nanjing.She has gone to Nanjing.她已经去南京了她已经去南京了上一页下一页主菜单 只用于第三人称只用于第三人称 与一般过去时的用法比较一一.现在完成时和一般过去时都是说过去的现在完成时和一般过去时都是说过去的事情，事情，;而一般过去时，则只而一般过去时，则只讲述讲述发发生在过去的动作和事情生在过去的动作和事情与现在没有关系与现在没有关系。
上一页下一页主菜单二当有一个表示二当有一个表示过去某一特定时间过去某一特定时间的状的状语时，不用现在完成时，而用一般过去语时，不用现在完成时，而用一般过去时时:上一页下一页eg:I saw the film on television yesterday.但但since(since(自自以来以来)+)+某一过去时间或叙某一过去时间或叙述过去事情的从句总是与现在完成时述过去事情的从句总是与现在完成时连用eg：They have known each other since 1950.Since he was a child,he has lived in England.主菜单三常与一般过去时连用的典型的三常与一般过去时连用的典型的 表示过去时间的状语表示过去时间的状语:上一页下一页yesterday(yesterday(昨天昨天),the day before yesterday(),the day before yesterday(前天前天),),just now(just now(刚才刚才)，时间时间+ago,+ago,last+last+时间时间 等等;eg:The plane took off ten minutes ago.We finished our task last week.主菜单 have known knew saw have lost have did move lived did has finished see saw 动动 词词 填填 空：空：1._ you _(clean)the room?1._ you _(clean)the room?Yes,we _(do)that Yes,we _(do)that alreadyalready.When _ you _(do)it?When _ you _(do)it?We _(do)it We _(do)it an hour agoan hour ago.2._ he _(see)this film 2._ he _(see)this film yetyet?Yes.?Yes.When _ he _(see)it?When _ he _(see)it?He _ it He _ it last weeklast week.3.How many times _you_(be)there?3.How many times _you_(be)there?HaveHavecleanedcleanedhave donehave donediddiddododiddidHasHasseenseendiddidseeseesawsawhavehavebeenbeen下一页上一页主菜单4.I _(read)the novel twice.Its interesting.4.I _(read)the novel twice.Its interesting.5.She _(go)to Pairs,hasnt she?Yes.5.She _(go)to Pairs,hasnt she?Yes.How _ she _(go)there?How _ she _(go)there?She _(go)there by air.She _(go)there by air.6.6.So farSo far,many countries _(develop),many countries _(develop)their software programs.their software programs.7.Mr Chen _(give)up smoking 7.Mr Chen _(give)up smoking last yearlast year.8.Mr Chen _(give)up smoking 8.Mr Chen _(give)up smoking since last yearsince last year.have readhave readhas gonehas gonediddidgogowentwenthave developedhave developedgavegavehas givenhas given下一页上一页主菜单用用Have been to,have gone to,have been in 填空填空1.1.Mike and his parents _ the north for half a Mike and his parents _ the north for half a year.year.2.2.Mum is not at home now.she _ the shop.Mum is not at home now.she _ the shop.3.3._ you ever _ to kunming_ you ever _ to kunming?Never.?Never.4.4.Where _ you _ these days?Where _ you _ these days?5.5.Has Jim arrived yet?Has Jim arrived yet?Yes,he _ here for several days.Yes,he _ here for several days.6.6.Where is Peter?I dont know where he _.Where is Peter?I dont know where he _.7.7.Hi Jim!Where _ you _?Li Lei Hi Jim!Where _ you _?Li Lei is looking for you.is looking for you.have been inhas gone tohave beenHave beenhas been has gonehave been下一页上一页主菜单。