高中英语 Unit20L12课件 北师大版选修7.ppt

unit20newfrontiers grammar lesson1futurology revision a inthenextfewyears whatchangewillhappentocomputers c whatwillyoubedoingintenyears time b bytheendofthecentury willwehavediscoveredotherplacesinoursolarsystem lookintothefuture inthenextfewyears computerswillbecomehandierandbeinstructedbyvoices yes wemayhave wewillhave i llbe doing whattensesareusedinthesequestionsandyouranswers what sthedifferencebetweenthem understandandsummarizetheform meaningoffutureperfect futurecontinuoususebothtensescorrectlytopredictthestudents ownfuture objectives attheendofthislesson you llbeableto future discovery1 whatareyoudoingnow now englishexam thistimetomorrow 将来某个特定的时间 past wearehavingourenglishclass time thenwhatwereyoudoingthistimeyesterday wewereplayingfootball thenwhatwillyoubedoingthistimetomorrow wewillbehavinganenglishexam at9a m thissaturday discovery1 now past 将来某个特定的时间 listentoprofessorwillard at9a m thissaturdayiwillbelisteningtoprofessorwillard time summary1 willbedoing 意义 thistimenextweeki llbelyingonthebeach 下星期这个时候我就会躺在沙滩上了 don tphonemebetween7and8p m we llbehavingdinnerthen 七八点钟之间别来电话 那时我们会在吃晚饭 结构 用于谈论在将来某个特定的时间进行的活动 例 now practice1 linkourbrainstocomputers inthemiddleofthecentury wewillbelinkingourbrainstocomputers time 将来某个特定的时间 inthemiddleofthecentury now practice1 canyouattendthepartyat8o clocktonight no meetthebossaboutsomethingurgent iwillbemeetingthebossaboutsomethingurgent time 将来某个特定的时间 at8o clocktonight readaloud1 canyouattendthepartytonight no iwillbemeetingthebossaboutsomethingurgent inthemiddleofthecentury wewillbelinkingourbraintocomputers thistimenextweeki llbelyingonthebeach don tphonemebetween7and8p m we llbehavingdinnerthen future discovery2 by到 为止 bytheyear2030 by2030 wewillhavediscoveredatreatmentthatcancureallkindsofcancer time discoveratreatmentthatcancureallkindsofcancer 2030 now future discovery2 by到 为止 bytheendofthecentury wewillhaveproducednewtypesofclothes producenewtypesofclothes bytheyear2015 time now 2015 summary2 willhavedone 意义 theywillhavebeenmarriedfor20yearsbythen 到那时 他们将已结婚20年了 结构 用于谈论在将来某个特定的时间之前完成的动作或存在的状态 例 wewillhavelearned24unitsbytheendofthisterm 到这个学期末 我们将已学完24个单元 时间状语 by 将来时间 时间状语 by 将来时间 future iwillhavefinishedalltheworkbythetimeyouarebackthisevening practice2 bythetimeyouarebackthisevening finishallthework time 时间状语 bythetime 从句 一般现在时 时间状语 before 从句 一般现在时 beforeyougethome iwillhavecleanedthehousefromtoptobottom future time beforeyougethome cleanthehousefromtoptobottom practice2 future by到 为止 whenwintercomes practice2 whenwintercomes theanimalswillhavesavedenoughfood animals saveenoughfood time 时间状语 when 从句 一般现在时 常与将来完成时连用的时间状语有 before 将来时间 或 by 将来时间 2 bythetime 从句 一般现在时 3 when 从句 一般现在时 readaloud2 theywillhavebeenmarriedfor20yearsbythen wewillhavelearned24unitsbytheendofthisterm whenwintercomes theanimalswillhavesavedenoughfood beforeyougethome iwillhavecleanedthehousefromtoptobottom iwillhavefinishedalltheworkbythetimeyouarebackthisevening iwillgohomeassoonasi thiswork 从句中的谓语动词用现在完成时表示将来完成时 a willhavefinishedb havefinished theanimalswillhavesavedenoughfoodwhenwinter a comesb willcome youcanleavetheexamroomonlyafteryou allthequestions a haveansweredb willhaveanswered 状语从句中的将来完成时 don tgetoffthebusuntilithasstopped iintendtogotocollegeafterihavecompletedmyhighschool p21ex8p66ex1 moreexamples examlinking 1 assoonas myhomework i llhaveahotbath a ihavefinishedtodob ifinishtodoc ihavefinisheddoingd iwillhavefinished2 whenwillyoucometoseeme dad iwillgotoseeyouwhenyou thetrainingcourse a willhavefinishedb willfinishc arefinishingd finish futureperfectorfuturecontinuous makepredictionsabouttheworldin2020byputtingtheverbsinbracketseitherinthefutureperfectorthefuturecontinuous 1 people use solarenergyeveryday 2 people use upallnaturalsourcesofoil 3 people travel intospaceonaregularbasis willbeusing willhaveused willbetraveling practice3 4 people eat foodcreatedbyspecialists 5 marsandvenus explore and describe indetail futureperfectorfuturecontinuous willbeeating willhavebeenexplored willhavebeendescribed exercise10onpage21 practice4 1 at5p m onfriday pro howardgreen give alectureonalternativesourcesofenergy 可替代能源 2 at2 30p m onsaturday everyone have lunch willbegiving willbehaving 3 atnoononsunday theparticipants attend theclosingceremony 4 bytheendoftheseminar thefuturologists discuss manyimportantissues willbeattending willhavediscussed languageinuse workinpairs makepredictionsabouteachotherintenyears time saywhatyouthinkaboutyourpartner spredictions wherewillhe shebeliving hereinbeijingorabroad 2 whatkindofjobwillhe shebedoing 3 whatwillhe shehaveachieved willhavebeenpromoted willhavebecome willhaveattained example a ithinkthatin10years timeyou llbelivinginamerica b really a you llbeworkingasalawyerinalawyer soffice b thatsoundsinteresting howaboutmyachievement a well writing makeapredictionaboutyourselfintenyears time 2 3sentences usingfutureperfectandfuturecontinuous homework p66 1 2 3中各任选两小题 两个新学时态的比较 wewillstillbeworkingthistimetomorrow wewillhavearrivedthereby10o clocktomorrow 相同点 不同点 都属将来时态 将来完成时指 在将来某一时间以前已经完成或一直持续的动作 将来进