外研版八年級下冊現(xiàn)在完成時

新外研版八年級下冊英語語法-現(xiàn)在完成時=1\*ROMANIWarm-up選擇題。（）1.Heoften______hisclothesonSundays.

A.washingB.washesC.haswashedD.wash

（）2.Nextmonth______twentyfive.

A.hasmysisterB.mysisterwillbeC.mysistershallhave（）3.Wewillstartassoonasourteacher______.

A.comesB.willcomeC.comeD.iscoming

（）4.LastweekJohn______hisleg.

A.feltandbrokenB.fellandbrokeC.feelsandbreaksD.fallenandbroken

（）5.It______hardwhenIleftmyhouse.

A.israiningB.rainsC.wasrainingD.willrain

=2\*ROMANIIGrammar現(xiàn)在完成時（一）構(gòu)成：1.肯定句主語（第一、二人稱，第三人稱復數(shù)）+have+過去分詞+其他主語（第三人稱單數(shù)）+has+過去分詞+其他如：IhavebeentoBeijing.2.否定句3.主語+have/has+not+過去分詞+其他如：Hehasn’tfinishedhishomeworkyet.4.一般疑問句Have/Has+主語+過去分詞+其他？如：Hastheletterarrivedyet?5.特殊疑問句特殊疑問詞+have/has+主語+過去分詞+其他？如：Wherehaveyoubeento?（二）用法：1.現(xiàn)在完成時表示過去發(fā)生或已經(jīng)完成的某一動作對現(xiàn)在造成的影響或結(jié)果。(漢語中常用“已經(jīng)”、“過”、“了”等表達)通常與表示包括現(xiàn)在在內(nèi)的時間副詞just,already,before,yet,never,ever等狀語連用。例如：同步練習（1）①Ihave_______________________thatbefore.(我從來沒有聽說過那回事）②Haveyou_____________________?（你曾經(jīng)騎過馬嗎？）③She________________________themathexercises.（他已經(jīng)完成了數(shù)學作業(yè)）④I__________________________book..（我剛剛丟了歷史書）2.現(xiàn)在完成時表示過去已經(jīng)開始，持續(xù)到現(xiàn)在,也許還會持續(xù)下去的動作或狀態(tài)。可以和表示延續(xù)的時間狀語連用。如for、since等引導的時間狀語。（注意：句中謂語動詞要用延續(xù)性動詞）一段時間的表達方法有兩種:for:+一段時間forayear,fortwoweeks,forthreeyears過去的某一時刻：sinceninehoursago,sincelastweek,since1990since一般過去時態(tài)的時間狀語從句：sinceyoucame，sinceyougothome注意:for和since所引導的時間狀語都表示一段時間.Hehasbeenawaysincelastweek.Hehasbeenawayforoneweek.對劃線部分提問都用Howlong同步練習（2）用since和for填空1.Ihavehadthiscarayear.2.Theshophasbeenclosedlastweek.3.—HowlonghaveyoustudiedChinese?twoyearsago.4.Wehaven’tseeneachothershewentbacktohercountry.重難點★havebeen(to)和havegone(to)的區(qū)別：★have/hasbeen(to)表示“曾經(jīng)到過某地”，說話時此人不在那里，已經(jīng)回來。側(cè)重指經(jīng)歷。★have/hasgone(to)表示某人“已經(jīng)去某地了”，說話時此人可能在路上或已到那里，反正不在這里。試比較：HehasbeentoBeijing.他曾去過北京。（人已回來，可能在說話人的地方）HehasgonetoBeijing.他已經(jīng)去北京了。（人去了，不在說話人的地方）Exercises=1\*ROMANI:用gone或been填空。IamsorryI'mlate,everyone.I've_____tothedentist's.There'snobodyathome.Ithinkthey've___________awayfortheweekend.Youlookverybrown.Wherehaveyou___________onholiday?Simonisn'thereatthemoment.He's____________toafootballmatch.—Haveyouever____________toScotland?—Yes,I've________________therequiteafewtimes.一般過去時與現(xiàn)在完成時之比較：1）一般過去時：表示過去某個時間發(fā)生的事、存在的狀態(tài)或經(jīng)常發(fā)生的動作，與現(xiàn)在無關(guān)；現(xiàn)在完成時表示與現(xiàn)在有關(guān)系的發(fā)生在過去的動作，它不與表示過去的時間狀語（如yesterday,lastweek,amomentago，justnow）連用.不限。1.她離開北京三個月了。SheBeijingforthreemonths.2.電影開始半小時了。Thefilmforhalfanhour.3.從四歲時我們已相互認識了。Wehaveknowneachother.4.自從他回來，我和他相處得很好。sincehecameback.5.你教他們英語多長時間？Howlong?=3\*ROMANIIIExercises考點一：考查基本概念Bothhisparentslooksad.Maybethey______what'shappenedtohim.Ａ.knewＢ.haveknownＣ.mustknowＤ.willknow考點二：考查時間狀語1.Hehas_______beentoShanghai,hashe?Ａ.alreadyＢ.neverＣ.everＤ.still2.HaveyoumetMrLi______？Ａ.justＢ.agoＣ.beforeＤ.amomentago3.Thefamouswriter_____onenewbookinthepasttwoyear.Ａ.iswritingＢ.waswritingＣ.wroteＤ.haswritten4.—Ourcountry______alotsofar.—Yes.Ihopeitwillbeeven______.Ａ.haschanged;wellＢ.changed;goodＣ.haschanged;betterＤ.changed;better5.ZhaoLan______already______inthisschoolfortwoyears.Ａ.was;studyingＢ.will;studyＣ.has;studiedＤ.are;studying6.We______XiaoLisinceshewasalittlegirl.Ａ.knowＢ.hadknownＣ.haveknownＤ.knew7.HarryPotterisaverynicefilm.I______ittwice.Ａ.willseeＢ.haveseenＣ.sawＤ.see考點三：考查與一般過去時的區(qū)別1.—ThesefarmershavebeentotheUnitedStates.—Really?When_____there?Ａ.willtheygoＢ.didtheygoＣ.dotheygoＤ.havetheygone2.—______you___yourhomeworkyet?—Yes.I_____itamomentago.Ａ.Did;do;finishedＢ.Have;done;finishedＣ.Have;done;havefinishedＤ.will;do;finish考點四：考查非延續(xù)性動詞的用法1.Hisfather______thePartysince1978.Ａ.joinedＢ.hasjoinedＣ.wasinＤ.hasbeenin2.—Doyouknowhimwell?—Sure.We_________friendssincetenyearsago.Ａ.wereＢ.havebeenＣ.havebecomeＤ.havemade3.—Howlonghaveyou____here?—Abouttwomonths.Ａ.beenＢ.goneＣ.comeＤ.arrived4.Hurryup!Theplay__________fortenminutes.Ａ.hasbegunＢ.hadbegunＣ.hasbeenonＤ.began5It_____tenyearssinceheleftthearmy.Ａ.isＢ.hasＣ.willＤ.was6.Hisunclediedtwoyearsago.（改變句子,句意不變）Hisuncle___________________________fortwoyears7.HermotherhasbeenaPartymemberforthreeyears.（同義句）Hermother_______thePartythreeyears_______