Unit1RelationshipsLesson1Teachers現(xiàn)在完成時過去完成時課件高中英語北師大版選擇性

現(xiàn)在完成時&過去完成時PresentPerfect&PastPerfectTime：2024現(xiàn)在完成時&過去完成時TodayYesterdayThedaybeforeyesterdayBAC

現(xiàn)在完成時（PresentPerfect）表示過去發(fā)生的事情對現(xiàn)在產(chǎn)生的影響或結果。常用的狀語有already，ever，just(剛剛)，yet等。Hehasalreadyturnedoffthelight. 他已經(jīng)關燈了。(＝Thelightisoffnow.)

現(xiàn)在完成時（PresentPerfect）表示一個動作開始于過去，一直持續(xù)到現(xiàn)在。常與之連用的時間狀語有l(wèi)ately，recently，untilnow，uptonow，sofar，bynow，eversince，since，inthelast(past)fewdays/years，for+一段時間等。Inthepastfewyears，greatchangeshavetakenplaceinmyhometown. 在過去的幾年里，我的家鄉(xiāng)發(fā)生了巨大變化。Exercise1.I________(drive)forthirtyyears,andI’mnotgoingtostopnow.【答案】havedriven【詳解】句意：我已經(jīng)開了30年車了，現(xiàn)在我不會停下來的。根據(jù)“forthirtyyear”可知，此處用現(xiàn)在完成時，故填havedriven。Exercise2.It'sreportedthatthetemperature

(climb)quicklysincethismorning.【答案】hasclimbed【詳解】句意：據(jù)報道，從今天早上開始氣溫迅速上升。since自從...，要用于現(xiàn)在完成時have/has+過去分詞，temperature要用has，故填hasclimbed。Exercise3.(2018新課標II卷)Since2011,thecountry________(grow)morecornthanrice.【答案】hasgrown【詳解】考查時態(tài)。句意：自2011年以來，與水稻相比，該國種植了更多的玉米。句中since表示“自從”，是現(xiàn)在完成時的標志詞，句子應用現(xiàn)在完成時，且主語thecountry是單數(shù)，謂語動詞應用第三人稱單數(shù)形式。故填hasgrown。Exercise4.（2022全國甲卷）Inthelastfiveyears,Cao________(walk)through34countriesinsixcontinents.【答案】haswalked【詳解】考查動詞時態(tài)。句意：在過去五年中，曹穿越了六大洲的34個國家。根據(jù)時間狀語inthelastfiveyears可知，此處應用現(xiàn)在完成時，主語Cao為第三人稱單數(shù)，助動詞用has。故填haswalked。。BeforeMrJenkinstaughtme,sciencehadsimplybeenasubjectfullofstrangewordstome.過去現(xiàn)在

過去的過去：結構：（助動詞）had+done（動詞的過去分詞）過去完成時動作在hadbeen發(fā)生之后動作在taught發(fā)生之前before引導的時間狀語從句用法1：強調過去某一動作發(fā)生在另一動作之前“過去的過去”

過去完成時（PastPerfect）HongKong_________(return)toChinain1997.returnedMacao__________(return)toChinain1999.returnedHongKong____________(return)toChinabeforeMacaocamebacktoChina.hadreturned

過去完成時（PastPerfect）用法2：表示一個動作或狀態(tài)從過去某一時間之前已經(jīng)開始，這一動作一直持續(xù)或將繼續(xù)下去。I____________(learn)Englishfor10yearswhenIgraduated.He____________(stay)herefortwodaysbeforeheleft.hadlearnedhadstayedbythen到那時為止bythattime到那時候

時間標志詞before在......之前bytheendof到......末為止untilthen直到那時bythetime+一般過去時的從句到......時候

過去分詞：規(guī)則變化規(guī)則動詞例子直接+ed一般動詞worked,helped去e+ed不發(fā)音e結尾liked,lived雙寫+ed輔元輔，雙寫尾字母planned,stopped改y為i+ed以輔音+y結尾studied,cried

常見不規(guī)則動詞過去時和過去分詞：動詞原型過去式過去分詞bewas,werebeenhavehadhaddodiddonecomecamecomegowentgonetaketooktakenmakemademade

常見不規(guī)則動詞過去時和過去分詞：動詞原型過去式過去分詞leaveleftleftknowknewknowndrinkdrankdrunkeatateeatenchoosechosechosenbreakbrokebrokenflyflewflownExercise1.Itwastheninthtimethattheteam________(win)thechampionship.【答案】hadwon【詳解】考查固定句型。句意：這是該隊第九次贏得冠軍。itis/wasthe+序數(shù)詞+time+that+句子，表示“第幾次做……”，主句用is，從句用現(xiàn)在完成時；主句用was，從句用過去完成時，所以此處應用過去完成時，在that從句中主語theteam和動詞win是主動關系，故填hadExercise2.BythetimeIgottoschool,thefirstplay______(be)onfornearlyhalfanhour.【答案】hadbeen【詳解】考查時態(tài)。句意：我到學校時，第一場戲已經(jīng)上演了將近半個小時。根據(jù)上文BythetimeIgottoschool可知為現(xiàn)在完成時，故填hadbeen。Exercise3.Whensherealizedthatshehadleftherhandbaginthetaxi,thetaxi_________(disappear).【答案】haddisappeared【詳解】考查動詞時態(tài)。句意：當她意識到她把手提包忘在出租車上時，出租車已經(jīng)不見了。分析句子結構可知，主句缺少謂語動詞，disappear發(fā)生在realized之前，表示“過去的過去”，需用過去完成時。故填haddisappeared。常使用完成時的句型1

Itwas/hadbeen+段時間+since從句，從句用過去完成時；

Itis/hasbeen+一段時間+since從句，從句用一般過去時。●Itwastenyearssincewe________(have)suchawonderfultime.我們十年沒這么高興了?！馡tisthreeyearssincehe

________(join)

thearmy.他參軍已經(jīng)三年了。hadhadjoined常使用完成時的句型2

Itisthefirst/second/time+that從句，從句用現(xiàn)在完成時；

Itwasthefirst/second/time+that從句，從句用過去完成時?！馡tisthefirsttime

thatI__________(be)

here.這是我第一次到這里來?！馡twasthefirsttime

that

he

____________(listen)

soattentively.

這是他第一次那么認真地聽講。havebeenhadlistened常使用完成時的句型3

That/This/It

is/was+the+最高級+名詞+定語從句，從句常用完成時?！馮hisis

thebestfilmthatIhaveeverseen.這是我看過的最好的一部電影?！馮hatdinnerwas

themostexpensivemealwehadeverhad.那頓飯是我們吃過的最貴的一頓飯。Puttheverbsinbracketsusingthesimplepastorpastperfectform.1.IwashedmyhandsafterI___________(clean)thedishes.2.Bynow,thebird_________(make)manyswanfriendsthere,anditislivingahappylife.It’sreallyahappyending.

3.Mylife________(be)verymiserablesinceshedied.4.John_________(be)anartistbeforehe_________(become)amusician.hadcleanedhasmadehasbeenhadbeenbecameExercisePuttheverbsinbracketsusingthesimplepastorpastperfectform.Exercise5.Where_________(you/be)afterI_________(see)youatthepark?6.Mygrandparents__________(know)eachotherforayearbeforethey_________(get)married.7.Mysister_________(play)alotaftershe___________(finish)themidtermexam.8.Howmanycoffees_____________(she/drink)beforetheinterview?hadknowngotwereyouhadseenplayedhadfinishedhadshedrunkPuttheverbsinbracketsusingthesimplepastorpastperfectform.Exercise9.Ithasbeenthreeyearssincehe________(leave)Beijing.10.ItwasjustaweeksinceI____________(arrive)here.11.Thisisthe