Unit3+Grammar【高效備課精研+知識(shí)精講提升】高中英語(yǔ)外研版（2019）必修第三冊(cè)

BeichenBiliugualSchoolUnit3Grammar（PresentPerfectPassive)現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)PartOne:現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)1.Thelostboyhasn’tbeenfoundyet.2.Suchathinghasneverbeenheardofbefore.3.Themangerhasjustleft.用法（1）過(guò)去的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果。Howtousethistense?already;yet;recently;lately...4.Financial(財(cái)務(wù)的)problemsofthecompanyhavebeendiscussedfor

nearly2hours.5.Hehaslivedheresincehecamehere.用法（2）表示一個(gè)動(dòng)作或狀態(tài)始于過(guò)去，持續(xù)到現(xiàn)在，并有可能持續(xù)下去。for或since引導(dǎo)的時(shí)間狀語(yǔ)從句6.IhaveonlybeentotheGreatWallonce.7.Haveyoueverbeentotheconcertbythefourworldfamoussingers.用法（3）表示過(guò)去的一種經(jīng)歷，可用howmanytimes提問(wèn)。常與often；ever；never；only;twice等連用注意事項(xiàng)PartTwo終止性動(dòng)詞可以用于現(xiàn)在完成時(shí)么？終止性動(dòng)詞可以用于現(xiàn)在完成時(shí)，但不可用在for、since等表示時(shí)間段的狀語(yǔ)的肯定句中。方法一：

用于否定句可以。Ihaveseenherfortwoyears.(×）Ihaven’tseenherfortwoyears.(√）方法二：將終止性動(dòng)詞換為相對(duì)應(yīng)的持續(xù)性動(dòng)詞。Hehasboughtthiscarforthreemonths.(×）Hehashadthiscarforthreemonths.(√）注意：Wehaven’tfoundthelostboyyet.Thelostboyhasn’tbeenfoundyet.Howtouseitspassiveform?have/has+been

+donebysb所有的現(xiàn)在完成時(shí)態(tài)都可以變成被動(dòng)語(yǔ)態(tài)么？并非所有的動(dòng)詞或詞組都有被動(dòng)語(yǔ)態(tài)。happen;takeplace;breakout;belongto;cost;grow;rise;lastetc.1.eversince

(自那以后)2.sofar

uptonow

tillnow

bynow3.thisweek/monthallnightallthemorning....(現(xiàn)在完成進(jìn)行時(shí)）4.in/during/over

thepast/last

fewyears/days...

5.This/That/Itisthe1st/2nd/...timethatsb+現(xiàn)在完成時(shí)常用的時(shí)間狀語(yǔ)(必記知識(shí)點(diǎn)）1.Theyhavebuiltmanyhousesinthevillageinthepastfewyears.2.The60-year-oldgrandmahastakencareofthechilddevotedlyalltheseyears.3.Ihavealreadydownloadedthesoftwaretohelpmyphonebatterylastlonger.4.Theyhaven’tyetdecidedhowtosolvethatdifficulttechnologicalproblem.5.Jackhassetupane-libraryforstudentsontheschoolwebsitelately.訓(xùn)練一：找出下面句子中(1)時(shí)間狀語(yǔ)(2)謂語(yǔ)動(dòng)詞：(1)Greatchangeshavetakenplaceinour

countryinthepast40years.(2)Wehavechangedourhometownalot.(3)IhaveimprovedmyEnglishalot.(4)Thepriceofgoodshasbeenrisenrecently.(5)Theoldmanhasdiedforaweek.訓(xùn)練二：判斷下面句子中的時(shí)態(tài)使用是否正確？(1)Greatchangeshavetakenplaceinour

countryinthepast40years.（√）(2)Wehavechangedourhometownalot.（√）(3)IhaveimprovedmyEnglishalot.（√）(4)Thepriceofgoodshasbeenrisenrecently.（×）(5)Theoldmanhasdiedforaweek.（×）訓(xùn)練二：判斷下面句子中的時(shí)態(tài)使用是否正確？1.Itissurprisingthattheexperiment__________________________(repeat)threetimes,withdifferentresultseachtime.2.Itisthefirsttimethathiscoach_____________________(praise)himinpublic.3.Inourschool,themindmap_______________________(apply)toEnglishteachingsincethenewheadmastertookoffice.4.Sofar,manypartsoftheGreatWall________________________(repair).hasbeenrepeatedhaspraisedhasbeenappliedhavebeenrepaired訓(xùn)練三：用所給詞的正確的形式填空5.Inrecentyears,doctors______________________(train)specificallyforgeneralpractice.6.Manyaman_________________________(cheat)bysuchtricksuptonow.7.Allthemeasures_______________________(take),sowecandonothingbutwait.8.Eason__________________(pay)muchattentiontohishandwritingsinceSarahwarnedhimofit.havebeentrainedhasbeencheatedhavebeentakenhaspaid練習(xí)冊(cè)-P53

Exercise1 and21.Theexperimenthasn’tbeendonesuccessfully.2.Someusefulappshavebeenusedtohelpwiththeirworktheseyears.3.Jack’snovelhasn’tbeenpublishedbythepublisheryet.4.Manyoutdooractivitieshavebeenorganizedbytheschooltobalancestudents’schoollife.5.Thefirehasbeenputoutbythefirefightersand15residentshavebeensaved.6.Therestaurantissopopularthatallthetableshavealreadybeenreservedbydiners.7.Thisplacehasn’teverbeenvisitedagain.8.Peopl