現在完成時一．1.結構 have/has+動詞過去分詞否定句 haven’t/hasn’t+動詞過去分詞疑問句 Have/Has+主語+動詞過去分詞？肯定回答Yes,主語+has/have.否定回答No,主語+hasn’t/haven’t.2.過去分詞的變化A直接加edB不發音的e結尾動詞，動詞詞尾加dC輔音字母+y結尾的動詞，把y變為i再加edD以一個輔音字母結尾的重讀閉音節動詞，雙寫詞尾輔音字母，再加edE不規則變化見不規則動詞表3.過去分詞ed發音規律清念/t/元濁/d//t//d/以后念/id/finished borrowed wantedpassed enjoyed shoutedhelped called neededcooked moved counted4.havebeento表示曾經去過某地（現在不在那里了），后面可接去過某地的次數，如once,twice,threetimes等。havegoneto表示已經去了某地（現在還沒有返回）。havebeenin表示在某地多長時間了，常在含有for+時間段；since+時間點的時間狀語的句子中使用。實戰演練一1.youevertoBeijing?No,I.2.WhereisMike?HetoBeijingalready.3.Whereyou?Icouldn’tfindyou.4.youruncletotheGreatWallyet?Yes,he.5.MrSmithJapanforthreeyears.6.China[r??p?:tid]thatwehasalreadymadegreatprogressinthepast20years.7.We[?s?t?sfa?d]people’sneedswithmorekindsoffoodandclothes.【答案】1.Havebeen;haven’t 2.hasgoneto 3.have,been4.has,gone 5.hasbeenin 6.reported7.satisfied二．句型轉換1.Chinahasdevelopedrapidlysincethereformandopeningup.(改為疑問句)rapidlysincethereformandopeningup?2.ShehasgonetoCubatobeavolunteer.SheCubatobeavolunteersincethissummerholiday.3.I’velearntalotfromit.(改為否定句)Ialotfromit.4.Haveyoubeentoanyotherplace?,.(肯定回答)1.HasChinadeveloped 2.hasbeenin3.haven’tlearnt 4.Yes,Ihave.二．現在完成時常與下列副詞連用：already已經（多用于肯定陳述句，句中）yet尚，還，仍然（多用于否定句、疑問句，句末）ever曾經（多用于疑問句，句中）recently最近（多用于句末）never從不（多用于否定句，句中）just僅僅（多用于肯定句句中）before之前（一般位于句末）用just,already,yet,recently,ever,never填空a.HaveyoubeentotheWestLake?No,Ihavebeenthere.b.Ihavereadthenoveltwice.c.Haveyoufinishedyourwork?d.Ihaven’theardfromher.e.Hehasgoneshoppingwithhisparents.f.Ihaveseenhimbefore,soIhavenoideaabouthim.g.Jackhasfinishedhishomework.h.Hasthebusleft?Yes,ithasleft.i.你曾經去過法國嗎？HaveyoubeentoFrance?j.以前我從沒丟過書。Ihavelostbooksbefore.【答案】a:ever;never b:already c:yet d:recently/yet/before e:already/justf.never g.just/already h.yet,already/just I.everJ.neveri.ever;never三．—現在完成時1.Hehasbeenawayfromthearmyfornineyearsbecauseofalegwound.(1)for和since區別for用來說明動作的延續時間長短，即多長時間，時間段用來說明動作起點，即時間點，指具體的年，月，日，時，星期幾sincesince+一段時間+ago，表示自……時間前開始至今since+一般過去時從句Itis(hasbeen)+一段時間+since+一般過去時從句時間段+haspassedsince+一般過去時從句(2)leave為瞬間性動詞（短暫性），不能和表示一段時間的時間狀語連用。如果有時間段的時間狀語，要將短暫性動詞改為延續性動詞。【鏈接】常見短暫變延續的動詞die——bedead borrow/lend——keep e/go——beinbuy——have leave——beaway(from) finish——beoverbegin/start——beon open——beopen close——beclosedbee——be join——beinhave/hasbeen+adj./prep.have/haskepthave/hashadfor+時間段have/hasbeen+adj./prep.have/haskepthave/hashadfor+時間段since+時間點Howlong疑問句用since和for填空1.JimhasbeeninIrelandMonday.2.JillhasbeeninIrelandthreedays.3.HisaunthaslivedinAustralia15days.4.Maryisinheroffice.Shehasbeenthere7o'clock.5.Indiahasbeenanindependentcountry1974.6.Thebusislate.They'vebeenwaiting20minutes.7.Nobodylivesinthosehouses.Theyhavebeenemptymanyyears.8.Mikehasbeenilla