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The Present Perfect tenseThe Present Perfect tensepresent(now)futurepast Present Perfect Tense 现在完成在完成时精选present(now)futurepast Present2主主语+have/has+过去分去分词（pp）助助动词,无意无意义 现在完成在完成时的的结构构Winter has already come，will it still be far in spring?精选主语+have/has+过去分词（pp）助动词,无3主主语+have/has+过去分去分词（pp）否定形式否定形式 havent(have not）+过去分去分词 hasnt(has not)+过去分去分词疑疑问句句 把助把助动词 have/has 放在句首放在句首 现在完成在完成时的的结构构注：主注：主语若是第三人称若是第三人称单数助数助动词用用has精选主语+have/has+过去分词（pp）否定形式 4You have planted all the trees.I have planted all the trees.He/she has planted all the trees.They have planted all the trees.区区别have 和和 has的用法的用法主主语若是第三人称若是第三人称单数助数助动词用用has精选You have planted all the tre51)表示到表示到现在在为止已止已经完成或完成或刚刚完成的完成的动作。作。Now we have planted all the trees.He has just come back.They have built many buildings in this city.现在完成在完成时的的用法用法精选现在完成时的用法精选62)表示表示过去去发生的生的动作作,强调结果或果或对现在的影响。在的影响。Someone has broken the window.(窗窗户现在是坏的在是坏的)I have already lost the key.(我我现在没有在没有钥匙匙)I havent read that book yet.(不了解不了解书的内容的内容)I have just cleaned my hands.(手是干手是干净的的)常与常与already(已已经),yet(已已经),just(刚刚),ever(曾曾经)等等词连用用.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,疑疑问句尾句尾.精选2)表示过去发生的动作,强调结果或对现在的影响。常与alr73)表示从表示从过去开始并持去开始并持续到到现在的在的动作或状作或状态，常与，常与包括包括现在在内的一段在在内的一段时间的状的状语连用。用。She has learned English for 5 years.He has lived in Beijing since 5 years ago.精选3)表示从过去开始并持续到现在的动作或状态，常与包括现在在8since:(自自以来以来)1)since+时间点点Hehasstayedheresince5oclock.2)since+时间段段+agoHehasstayedheresince5hoursago.3)since+从句从句ShehastaughtEnglishsincehecamehere.for:(长达）达）for+时间段段Hehaskeptthebookfor2weeks.since,for的用法的用法:Takenotes 精选since:(自以来)since,for 的用法:9用for 或since填空1.Mr.Brown has had his TV _ 15 years.2.Ive taken driving lessons _last month.3.My sister has had her cell phone _a month.4.My friends havent visited me _few days ago.5.We havent used our car _ a long time.6.She hasnt had a good cup of coffee _years.7.Tom has worn glasses _he was 7 years old.for since forsinceforforsince精选用for 或since填空Mr.Brown has had10注：并非所有注：并非所有for作作为时间状状语的句子都用的句子都用现在完成在完成时 搞清一般搞清一般过去去时和和现在完成在完成时的区的区别Iworkedhereformorethantwentyyears.(我我现在已在已经不在不在这里工作了里工作了)Ihaveworkedhereformorethantwentyyears.（现在我仍在在我仍在这里工作）里工作）疑疑难点点精选注：并非所有for作为时间状语的句子都用现在完成时I wo11辨析 have been to和 have gone toMy father has gone to Shanghai for a meeting.他（已经）去了上海。My father has been to Shanghai for a meeting.他（曾经）去了上海。She has been to China.她（曾经）去过中国。（人已经回来了）have been to someplace.曾曾经去去过某地，已某地，已经回来回来has gone to someplace.某人去了某地，某人去了某地，还没有回来没有回来 She has gone to China last week.上周她去了上海。（人可能回来了也可能没回来）精选辨析 have been to和 have gone toM12用用have/has been to,have/has gone to填空：填空：1.Where is your brother?He _ the shop.Hell be back soon.2._ you ever _ to America?Yes,I _ New York twice.3.Here you are at last!Where _ you _?I _ London.4.David _Australia.Im sure hes already arrived.5.Is Benny here?No,he _ the school library.He left five minutes ago.has gone toHave been tohave been tohave beenhave been tohas gone tohas gone to精选用have/has been to,have/has go139.He _(go)to school on foot every day.10._ you _(find)your science book yet?11.If it _(be)fine tomorrow,Ill go with you.12.The students _(read)English when the teacher came in.13.Look!The monkey _(climb)the tree.14.My mother _(come)to see me next Sunday.15.Ive lost my pen._ you _(see)it anywhere?goeshave,foundiswere readingis climbingis comingHave,seen精选9.He _(go)to school 141.I_ already _(see)the film.I _(see)it last week.2._ he _(finish)his work today?Not yet.3.My father _ just _(come)back from work.He is tired now.4.Wheres Li Ming?He _(go)to the teachers office.5.I _(work)here since I _(move)here in 1999.6.So far I _(make)quite a few friends here.7.How long _ the Wangs _(stay)here?For two weeks.8.I _ just _(finish)my homework.have,seen,sawHas,finishedhas,comehas gonehave worked,movedhave madehave,stayedhave,finished精选1.I_ already _(see)th151.have,seen,saw 2.Has,finished 3.has,come 4.has gone 5.have worked,moved 6.have made 7.have,stayed 8.have,finished 9.goes 10.have,found 11.is 12.were reading 13.is climbing 14.is coming 15.Have,seen精选1.have,seen,saw 2.Has,f16精选THE END精选17
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