高中英语 unit2grammar被动语态课件 新人教版必修1.ppt

unit2grammar tenseandthepassivevoice时态与被动语态 易错时态 1 现在完成时has havedone 常与yet ever recently since sofar by inthepast years等连用eg thecityhasseengreatchangesinthepast3years 2 将来完成时will shallhavedonewewillhavefinishedtheworkbytheendofnextmonth 3 现在完成进行时has havebeendoingnowthatsheisoutofajob she goingbacktoschool butshehasn tdecidedyet hasconsideredb hasbeenconsideringc consideredd isgoingtoconsider b 4 将来完成进行时will shallhavebeendoingeg ishallhavebeenworkinghereinthisfactoryfortwentyyearsbytheendoftheyear bythetimeyouarrivetonight shewillhavebeentypingforhours 将来完成进行时表示在将来某一时刻之前开始的一个动作或状态一直延续到将来某一时刻 5 过去完成时haddoneeg mostoftheguestshadleftwhenhearrivedattheparty hope expect suppose think intend plan want wish与过去完成时连用表示过去未实现的愿望 计划或打算eg theyhadhopedtobeabletoarrivebeforeten buttheyfailedtodosoatlast 不同时态的被动语态 一般现在时被动语态一般过去时被动语态一般将来时被动语态过去将来时被动语态现在进行时被动语态过去进行时被动语态现在完成时被动语态过去完成时被动语态将来完成时被动语态 am is aredonewas weredonewillbedonewouldbedoneam is arebeingdonewas werebeingdonehas havebeendonehadbeendonewillhavebeendone exerciseatpresent lotsoffood waterandmedicine 正在运 totheearthquake strickenarea transport 2 i 一直没收到她的信 sinceshelivedinwuhan hear 3 bythetimethefiremenarrivedattheburningspot thefire 已被扑灭 put 4 whenigotbackhome mother 碰巧在做饭 inthekitchen happen 5 bythetimehefinishesthepart timejob he 将获得 muchworkexperience gain 6 whenigottothemeetingroom heproblem 在讨论 discuss beingtransported are haven theardfromher hadalreadybeenputout happenedtobe cooking will havegained was beingdiscussed 7 ifirstmetjohnatmysister swedding he 在交流 somehonoredguestsatthattime haveawordwith 8 i 本希望发给 himatelegramtocongratulatehimonhismarriage butididn tmanageit hope 9 iwonderifhehasforgottenmytelephonenumber i 在期待