初中英語現(xiàn)在完成時講解及練習

初中英語現(xiàn)在完成時講解及練習初中英語現(xiàn)在完成時講解及練習初中英語現(xiàn)在完成時講解及練習資料僅供參考文件編號：2022年4月初中英語現(xiàn)在完成時講解及練習版本號：A修改號：1頁次：1.0審核：批準:發(fā)布日期：第二講Ihavejustreceivedaletterfrommybrother,Tim.HeisinAustralia.Hehasbeenthereforsixmonths.Timisanengineer.HeisworkingforabigfirmandhehasalreadyvisitedagreatnumberofdifferentplacesinAustralia.HehasjustboughtanAustraliancarandhasgonetoAliceSprings,asmalltowninthecentreofAustralia.HewillsoonvisitDarwin.Fromthere,hewillflytoPerth.Mybrotherhasneverbeenabroadbefore,soheisfindingthistripveryexciting.excitinga.令人興奮的,使人激動的receivev.接受，收到firmn.商行，公司differentadj.不同的centren.中心abroadadv.在國外,在海外的，在國外的現(xiàn)在完成時一、概念現(xiàn)在完成時表示過去發(fā)生或已經完成的動作對現(xiàn)在造成的影響或結果,也可表示過去已經開始,一直延續(xù)到現(xiàn)在的動作或狀態(tài)。二、標志現(xiàn)在完成時的時間狀語：for,since,sofar,ever,never,just,yet,till/until,uptonow,inpastyears,always等。三、結構主語+have/has+過去分詞+其他否定式:主語+haven't/hasn't+過去分詞+其他疑問式:Have/Has+主語+過去分詞+其他

簡略答語:Yes,主語+have/has.(肯定)No,主語+haven't/hasn't.(否定)PS:（1）英語中的動詞從詞義上可以分為延續(xù)性和非延續(xù)性兩種,在現(xiàn)在完成時態(tài)中一定要注意動詞這一特性,應將這類非延續(xù)性動詞轉換為延續(xù)性動詞。延續(xù)性動詞：learn,work,stand,lie,know,walk,keep,have,wait,watch,sing,read,sleep,live,stay非延續(xù)性動詞：open,die,close,begin(start),finish,come,go,move,borrow,lend,buy延續(xù)性動詞與非延續(xù)性動詞之間的轉換：leave→beawayborrow→keepbuy→havebegin/start→beondie→bedeadfinish／end／stop→beoveropen/close→keepsthopen/closed；join→bein+組織機構或beamemberof+組織機構fallill→beillgetup→beupcome/go/fall→bebecome→beleave→beawayfromgo(get)out→beout；puton→wearmarry→bemarriedwakeup→beawakeexample:Theoldmandied4yearsago.→Theoldmanhasbeendeadfor4years.→Itis4yearssincetheoldmandied.→Fouryearshaspassedsincetheoldmandied（2）動詞的過去分詞形式：通常一個動詞的過去分詞和他的過去式是一樣的，在動詞后面加ed構成過去分詞，但是有一些動詞的過去分詞有不規(guī)則的形式練習：我已經完成了家庭作業(yè)→翻譯：→否定：→疑問她住在合肥已經很多年了→翻譯：→否定：→疑問四、鞏固練習一、單項選擇1、Bothhisparentslooksad.Maybethey____whathashappenedtohim.Ａ.knewＢ.haveknownＣ.mustknowＤ.willknow2、Hehas______beentoShanghai,hashe

Ａ.alreadyＢ.neverＣ.everＤ.still3、HaveyoumetMrLi______

Ａ.justＢ.agoＣ.beforeＤ.amomentago4、Thefamouswriter_____onenewbookinthepasttwoyearＡ.iswritingＢ.waswritingＣ.wroteＤ.haswritten5、-Ourcountry____alotsofar.-Yes.Ihopeitwillbeeven______.Ａ.haschanged;wellＢ.changed;goodＣ.haschanged;betterＤ.changed;better6、ZhaoLan_____already_____inthisschoolfortwoyears.Ａ.was;studyingＢ.will;studyＣ.has;studiedＤ.are;studying7、We_____XiaoLisinceshewasalittlegirl.Ａ.knowＢ.hadknownＣ.haveknownＤ.knew8、HarryPotterisaverynicefilm.I_______ittwice.Ａ.willseeＢ.haveseenＣ.sawＤ.see9、-ThesefarmershavebeentotheUnitedStates.-Really

When_____there

Ａ.willtheygoＢ.didtheygoＣ.dotheygoＤ.havetheygone10、-______you___yourhomeworkyet-Yes.I_____itamomentago.Ａ.Did;do;finishedＢ.Have;done;finishedＣ.Have;done;havefinishedＤ.will;do;finish二、句型轉換1、Theoldman______lastyear.He________________forayear.(die)（動詞填空）2、Thisfactoryopenedtwentyyearsago.(同義句轉換)Thisfactory________fortwentyyears.3、HermotherhasbeenaPartymemberforthreey