Unit+3+The+Internet+Discovering+Useful+Structures现在完成时态的被动语态课件【知识精讲精研】高中英语人教版必修第二册

现在完成时态的被动语态Itrained.Itrains.Itwillrain.Ithasbeenraining.Huaweilaunched(发布,上市)Mate20onOct.16th,2018.HuaweiwilllaunchP50PocketSsoon.Huaweihaslaunchedmanysmartphonessince2009.Huaweihasbeenlaunchingsmartphonessince2009.Thegorillaisstaringatme.Thegorillahasbeenstaringatme.Thegorillahasstaredatmeforawhile.Thegorillastaredatmejustnow.现在完成时态

说明

某一动作/行为

从之前到现在

完成的情况现在完成Ithasrainedforaweek.Ihavewaitedforyou.我已经等过你了。Myhometownhaschangedalot.我的家乡已经改变了很多。Shehaswrittenanewbook.她已经写了一本新书。时间标志已经自从...该行为或结果持续了一段时间在...期间到目前为止最近整个上午/月...这些天...在过去的几天/几年中alreadysince+时间点for+一段时间during/over/in+一段时间sofar,bynow,tillnow,uptodaterecentlylatelyallthemorning/monththesefewdaysinthepastfewdays/years1.Overthelast2,000years,it(代指儒家思想)____________________(continue)toinfluenceChinaandtherestoftheworld.2.Sofarthisyear,experts________________(complete)thedigitalscanning(扫描)oftheinsideof12cavesoftheMogaoGrottoes,aUNESCOWorldHeritageSiteaspartofprotectionefforts,theDunhuangAcademy(研究院)saidonWednesday.3.Inthepastmanyyears,thegiantpanda________________(drive驱赶)outofthelowlandareaswhereitoncelivedasaresultoffarming,deforestationandotherdevelopment.4.WiththedevelopmentoftheInternet,electronicpayment________________(use)widelytopaybillssofar.hasbeencontinuinghavecompletedhasbeendrivenhasbeenused现在完成时

has/havedone已经...强调某一动作从过去某一时间到现在已经完成。一般过去时

did

强调某一动作发生在过去某一时间。Ihavevisitedthemuseum(before/forthreetimes/sinceImovedintothiscity).我已经参观过这家博物馆(...)。Ivisitedthemuseum(lastyear,whenIwas18).我(去年/...)参观这家博物馆。现在完成时态与一般过去时态的区别Iclosedthedoor.Ihaveclosedthedoor.现在完成时

has/havedone已经...强调某一动作从过去某一时间到现在已经完成。过去完成时

haddone

已经...

强调某一动作在过去某一时间之前的一段时间已经完成。Ihavevisitedthemuseum(before/forthreetimes/sinceImovedintothiscity).我已经参观过这家博物馆(...)。IhadvisitedthemuseumforthreetimebeforeImovedhere.在搬到这里之前我已经三次参观这家博物馆。现在完成时态与过去完成时态的区别“Whatapity!Thebushasalreadyleft!”,saidtheman.Thebushadalreadyleftwhenhearrivedatthestop.现在完成时的被动语态

说明

某一动作/行为

到现在

被完成

的情况动词形式肯定形式has/havebeendone

Jan'slifehasbeengreatlyimprovedbytheInternet.否定形式has/havenotbeendoneTheflowerhasn'tbeenwateredyet.一般疑问句Has/Have主语beendone...?Havetheapplesbeeneatenup?特殊疑问句What/Who/Where...has/have主语beendone...?Wherehavethebooksbeenput?现在完成时态的被动语态的判断句意

强调某一动作/行为从过去某一时间到现在被完成的情况。对应中文的“已经被...了”

Mymobileappshavebeenupdated.

我的手机应用已经被更新了。already已经

yet在疑问句和否定句中表示“尚(未),还(没)...”since+时间点

自从...for+一段时间

该行为或结果持续了一段时间during/over/in+一段时间

在...期间

完成时态的时间标志never从来没有

sofar,bynow,todate,untilnow,到目前为止before以前

recently最近

allthemorning整个上午

thesefewdays这些天1.在过去的几十年里,互联网被很大程度改善了。

TheInternet__________________________inthepastdecades.翻译2.到目前为止,很多新的软件已经被开发出来了。

Sofar,alotofnewsoftware__________________________.3.自从互联网被应用以来,人们的生活被极大地改变了。

SincetheInternetwasapplied,people’slives_____________________________.hasbeengreatlyimprovedhasbeendevelopedhavebeenextremelychangedTherecordwasbrokenbyLeBronJames(lastseason).TherecordhasbeenbrokenbyLeBronJames.1.They’vebuiltakindofnewPCwithmorefunctions.AkindofnewPChasbeenbuilt(bythem)withmorefunctions.2.Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.Thesoftware__________________________tohelpmyphonebatterylastlonger.3.HaveyouconfirmedtheWi-Fipassword?HastheWi-Fipasswordbeenconfirmed?将

现在完成时的主动语态

变成

被动语态hasbeendownloaded4.Wehavegivenhimalotofcash.Alotofcash_____________________________________________.5.Ihavetoldthemtotaketheiridentitycards.They__________________________totaketheiridentitycards.6.Themanagerhasmadeallthestaff(职工)workovertime.Allthestaff_____________________________________________.将

现在完成时的主动语态

变成

被动语态have