Unit4InformationTechnologyLesson1Avatars课件高中英语北师大版

AVARTARS2periods,focusingonavatars.Period1:Summarizekeyinfoaboutavatars;sorttheirinfluences;reflectonavatar-humanrelationshipandcybersecurityviadiscussion.Period2:Reviewavatarinfo;learnpastfuturetense(form,function)anduseitinsentences/texts.Activities:Prediction,reading,discussion,languagepractice(e.g.,fillingtexts,answeringquestionsonavatarchanges)warming-upManypeopleononlineplatformsuse"momo"astheiravatarsorusernames.Whydoyouthinkthistrendhappens?Whatdoesittellusabouthowpeoplechooseanduseavatars?“What’sYourAvatarStory?”Whatkindofavatardoyouuseonline:aphotoofyourself,acartoonimageorsomethingelse?Whydidyouchooseit?acuteanimalavataracartooncharacteravatartotrickotherstoavaidonlinesafetyrisksanavatarinfancyclothestoexpressmyselffreelytocreateareal/digitalidentitytoprotectmyselfExample

Iuseacartooncharacteravatarinsteadofaphototoprotectmyselfonline.Iuse____________asmyavatarinorderto/because_____________________________.Turntoyourpartner.Talkaboutyouronlineavatar—whattypeitis(e.g.,aphoto,cartoon)andwhyyouchoseit.Tryusing“Iuse...to...”.Youhave2minutes.Ready?Go!PredictionWhatwouldyouliketolearnaboutavatars?Writeyourquestionsinthediagram.Avatars▸Whydopeopleuseavatars?

（原因）▸

Howhaveavatarschangedovertime?

（变化）▸

Canavatarsbedangerous?

（风险）补充：Youcanthinkabouttechnology,feelings,oreven“Momo”!

ReadforGeneralUnderstandingTheavataryouchoosesaysalotaboutyou.Thearticlewillhelpyouunderstandyourchoiceofavatarsbetter.ReadPara1-2quietlyfor1minute.Dotwoeasythings:Findthesentencewith'knownas'—underlineit!Ittellsuswhatavatarsare.Circle'1980s'and'late1990s'.Drawlinestoshowwhatavatarsdidinthoseyears.Ready?Go!🚀"Whenyouareonline,youcanbeanyoneoranything.Youcancreateyourownimageandanewpersonality.Thesedigitalidentities,knownasavatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.Thefirstsimple2Davatarsappearedinrole-playingcomputergamesinthe1980s.Yet,veryfewpeopleknewthatfutureavatarswouldhavesuchawidevarietyofformsanduses.Bythelate1990s,theyhadbeenusedinwebchats.

personality性格；个性（名词）“createanewpersonality”→

Mydoghasashypersonality.Inthegame,Imademyavatar’spersonalitybrave.Whenyouareonline,youcanbeanyoneoranything.Youcancreateyourownimageandanewpersonality.Thesedigitalidentities,knownasavatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.Thefirstsimple2Davatarsappearedinrole-playingcomputergamesinthe1980s.Yet,veryfewpeopleknewthatfutureavatarswouldhavesuchawidevarietyofformsanduses.Bythelate1990s,theyhadbeenusedinwebchats.digitalidentitiesdigital（数字的，形容词）+identities（身份，identity的复数）→数字身份。OurWeChatavatarsarepartofourdigitalidentities.Becarefulwithyourdigitalidentitiesonline!Whenyouareonline,youcanbeanyoneoranything.Youcancreateyourownimageandanewpersonality.Thesedigitalidentities,knownasavatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.Thefirstsimple2Davatarsappearedinrole-playingcomputergamesinthe1980s.Yet,veryfewpeopleknewthatfutureavatarswouldhavesuchawidevarietyofformsanduses.Bythelate1990s,theyhadbeenusedinwebchats.knownasuse：过去分词短语，表“被称为；叫做”（相当于whichiscalled，用来解释前面的词）。“Thesedigitalidentities,knownasavatars”→Pandas,knownas“nationaltreasures”,arecute.role-playingrole（角色，名词）+playing（扮演，动名词）→角色扮演的（形容词，修饰名词）。“role-playingcomputergames”→InEnglishclass,wedorole-playingtopracticespeaking.awidevarietyof意思：各种各样的（后接复数名词，强调“种类多”）。“awidevarietyofformsanduses”→Thereareawidevarietyofclubsinourschool.Whenyouareonline,youcanbeanyoneoranything.Youcancreateyourownimageandanewpersonality.Thesedigitalidentities,knownasavatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.Thefirstsimple2Davatarsappearedinrole-playingcomputergamesinthe1980s.Yet,veryfewpeopleknewthatfutureavatarswouldhavesuchawidevarietyofformsanduses.Bythelate1990s,theyhadbeenusedinwebchats.Bythelate1990sby（到…时为止）+late（晚期的）+1990s（90年代）→到20世纪90年代末为止。常和过去完成时连用（因为动作在“90年代末”之前就完成了），Bythelate1990s,mostfamilieshadboughtTVs.Whenyouareonline,youcanbeanyoneoranything.Youcancreateyourownimageandanewpersonality.Thesedigitalidentities,knownasavatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.Thefirstsimple2Davatarsappearedinrole-playingcomputergamesinthe1980s.Yet,veryfewpeopleknewthatfutureavatarswouldhavesuchawidevarietyofformsanduses.Bythelate1990s,theyhadbeenusedinwebchats.时态文本例句生活例句时间轴标记一般过去时Avatarsappearedinthe1980s.Iboughtanewbagyesterday.▶单一过去点过去将来时Fewknewavatarswouldchangealot.In2010,IthoughtIwouldbeadoctor.↗从过去看未来过去完成时By1990s,avatarshadenteredchats.By7:00,Ihadeatenbreakfast.←过去的过去已完成Thesedigitalidentities,knownasavatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.抓主句核心（主系表结构）主句：Thesedigitalidentitiesareakeypart.插入语：过去分词短语作定语（修饰主语）插入语：knownasavatars语法身份：过去分词短语（作非限定性定语，修饰

digitalidentities）功能：解释

digitalidentities

是什么→即“被称为头像的

数字身份”等价从句：whichareknownasavatars（非限定性定语从句，更完整但稍显繁琐Thesedigitalidentities,knownasavatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.介词短语：of+宾语从句（修饰表语

akeypart）介词短语：ofhowpeopleusetheInternettocommunicateandexpressthemselves结构分解：of：介词，表“所属关系”（…的关键部分）宾语从句：howpeopleusetheInternettocommunicateandexpressthemselves（作

of

的宾语，属于

名词性从句

中的

宾语从句）宾语从句内部结构：主语：people谓语：use宾语：theInternet目的状语：tocommunicateandexpressthemselves（表“使用互联网”的目的）：Thesedigitalidentities,knownasavatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.[Thesedigitalidentities]//主语[,knownasavatars,]//定语（过去分词短语，修饰主语）[are]//系动词[akeypart]//表语[ofhowpeopleusetheInternettocommunicateandexpressthemselves.]//介词短语（of+宾语从句，修饰表语，解释“哪方面的关键部分”）Thesedigitalidentities,knownasavatars,areakeypartofhowpeopleusetheInternettocommunicateandexpressthemselves.用同样结构造句（替换核心词，理解模仿）：例：Theseonlinenames,knownasusernames,areakeypartofhowpeopleshowtheirstylesonsocialmedia.（这些网名，被称为用户名，是人们在社交媒体上展现风格的关键部分。）学生尝试：These______,knownas______,areakeypartofhowpeople______.Fillintheblanks:Online,wecancreate______(数字的)identities.Thezoohas______(各种各样的)animals.Choosetherighttense:Bylastweek,they______(finish)thework.In2015,nooneknewphones______(become)sopowerful.

ReadforGeneralUnderstandingTheavataryouchoosesaysalotaboutyou.Thearticlewillhelpyouunderstandyourchoiceofavatarsbetter.Quickread!Mark3partswithsymbols/colors:Actions(e.g.,dressavatars):✦

Underline.Functions(e.g.,expressyourself):~Wave-line.Types(e.g.,asensibleone):▢Box.Start!🚀Whenpeoplestartedcreatingtheirownavatars,theydiscoveredthattheyweregoingtohavethepowertocreatenewidentitiesthatdidnotlookoractliketheirrealselvesatall.Theycoulddresstheiravatarsinfancyclothes,ortheycouldtrybeingsomeoneoftheoppositesex,andcallthemselves“Andy”insteadof“Anna”!WhenInternetusersrealisedthattheiravatarswouldbeseenbymanypeople,notjusttheirfriends,theystartedhavingmorethanoneavatar:asensibleoneforwork;afriendly,good-lookingoneformeetingpeople;andasillyoneforhavingfun.Avatarsletyouexpressyourselfandgiveyoulotsofroomforcreativity.fancyadj.华丽的；精致的（≠普通，强调视觉上的讲究/设计感）“dresstheiravatarsinfancyclothes”→搭配：fancyshoes、fancyparty反义对比：plainclothesTheycoulddresstheiravatarsinfancyclothes,ortheycouldtrybeingsomeoneoftheoppositesex,andcallthemselves“Andy”insteadof“Anna”!WhenInternetusersrealisedthattheiravatarswouldbeseenbymanypeople,notjusttheirfriends,theystartedhavingmorethanoneavatar:asensibleoneforwork;afriendly,good-lookingoneformeetingpeople;andasillyoneforhavingfun.Avatarsletyouexpressyourselfandgiveyoulotsofroomforcreativity.oppositesexopposite（adj.相反的）+sex（n.性别）→字面“相反性别”→异性；“trybeingsomeoneoftheoppositesex”→介词固定：oftheoppositesex对比：samesexTheycoulddresstheiravatarsinfancyclothes,ortheycouldtrybeingsomeoneoftheoppositesex,andcallthemselves“Andy”insteadof“Anna”!WhenInternetusersrealisedthattheiravatarswouldbeseenbymanypeople,notjusttheirfriends,theystartedhavingmorethanoneavatar:asensibleoneforwork;afriendly,good-lookingoneformeetingpeople;andasillyoneforhavingfun.Avatarsletyouexpressyourselfandgiveyoulotsofroomforcreativity.sensibleadj.（行为/外表）得体的；靠谱的（符合场合，让人觉得“专业、稳重”）；“asensibleoneforwork”→修饰行为：asensiblechoice易混词：sensitive（敏感的，如asensitiveperson敏感的人）→发音像，意思不同！roomforcreativityroom（n.抽象意义“空间；余地”，不可数！）+forcreativity（后置定语，“给创意的”）→创意发挥的空间；“giveyoulotsofroomforcreativity”→。搭配：roomformistakes、roomforimagination

Whenpeoplestartedcreatingtheirownavatars,theydiscoveredthattheyweregoingtohavethepowertocreatenewidentitiesthatdidnotlookoractliketheirrealselvesatall.外层——时间状语从句（When引导）结构：When+主谓宾（peoplestartedcreatingtheirownavatars）中层——宾语从句（that引导）

位置：discovered+that从句（作discovered的宾语，因为discover是及物动词，必须接宾语）

Whenpeoplestartedcreatingtheirownavatars,theydiscoveredthattheyweregoingtohavethepowertocreatenewidentitiesthatdidnotlookoractliketheirrealselvesatall.startedcreating：startdoingsth.（开始做某事，强调“持续的动作”，即“从0到1开始创建头像”）；creating是动名词作宾语（start后接动名词，表“开始长期/习惯性行为”，对应文本中“人们逐渐流行做头像”的趋势）。附属结构：tocreatenewidentities（不定式作定语，修饰power→是“创造新身份的能力”，而非其他能力）。

Whenpeoplestartedcreatingtheirownavatars,theydiscoveredthattheyweregoingtohavethepowertocreatenewidentitiesthatdidnotlookoractliketheirrealselvesatall.位置：newidentities+that从句（修饰newidentities，说明“新身份”的特征）。核心内容：didnotlookoractliketheirrealselves→

既不像、也不表现得像真实的自己（or连接两个否定，强调“外观+行为”双维度的差异）。语气强化：atall（用于否定句末尾，强调“完全

不像”，突出虚拟身份与现实的割裂感）。内层——定语从句（that引导）paststartedcreatingfutureweregoingtohavepresentauthor’sperspective用同样结构，写一句关于复合句（模仿三层嵌套）Whenstudentsstartedmakingshortvideos,theyfoundthattheywouldgaintheabilitytotellstoriesthatweretotallydifferentfromtheirdailylives.WhenInternetusersrealisedthattheiravatarswouldbeseenbymanypeople,notjusttheirfriends,theystartedhavingmorethanoneavatar:asensibleoneforwork;afriendly,good-lookingoneformeetingpeople;andasillyoneforhavingfun.Avatarsletyouexpressyourselfandgiveyoulotsofroomforcreativity.“Circlethesewordsfirst—they’reyour‘informationmaps’!”✦

🔍realisedthat...（找原因）✦

🗂️morethanoneavatar:（找分类）✦

✨letyou...（找功能）

InformationCategoriesDetails(Findanswersinthepassage!)AvatarTypes1.______(Hint:goodforwork,adjective)2.friendly,good-looking3.______(Hint:funny,adjective)MatchingUses1.for______2.formeetingpeople3.forhaving______ReasonformultipleavatarsWhenInternetusersrealisedthattheiravatarswouldbeseenby____________,notjusttheirfriends.Keyfunctionsofavatars1.letyou______yourself2.giveyoulotsofroomfor______WhenInternetusersrealisedthat

theiravatarswouldbeseenbymanypeople,notjusttheirfriends,theystartedhavingmorethanoneavatar:asensibleoneforwork;afriendly,good-lookingoneformeetingpeople;andasillyoneforhavingfun.Avatarsletyouexpressyourselfandgiveyoulotsofroomforcreativity.主句1（时间状语从句+主句+同位语列举）

├──

时间状语从句：WhenInternetusersrealised[宾语从句]│

└──

宾语从句：theiravatarswouldbeseenbymanypeople,notjusttheirfriends│

└──

被动语态：wouldbeseen（过去将来时+被动）

├──

主句核心：theystartedhavingmorethanoneavatar│

└──

动名词结构：having（startdoingsth.）

└──

同位语列举（冒号+分号并列）：

├──asensibleoneforwork

├──afriendly,good-lookingoneformeetingpeople

└──asillyoneforhavingfun

WhenInternetusersrealisedthat

theiravatarswouldbeseenbymanypeople,notjusttheirfriends,theystartedhavingmorethanoneavatar:asensibleoneforwork;afriendly,good-lookingoneformeetingpeople;andasillyoneforhavingfun.Avatarsletyouexpressyourselfandgiveyoulotsofroomforcreativity.主句2（并列谓语）

└──Avatarsletyouexpressyourselfandgiveyoulotsofroomforcreativity.

├──

使役动词：letyouexpress（不带to的不定式宾补）

└──

双宾语结构：giveyou[间接宾语]lotsofroom[直接宾语]

ReadforGeneralUnderstandingTheavataryouchoosesaysalotaboutyou.Thearticlewillhelpyouunderstandyourchoiceofavatarsbetter.Readtheparagraphsilently.Then,markthese3things(withlinesornotes):Examplesofhowavatarsshowpersonality(e.g.,“cutecat”avatarmeans“likingrelaxation”).Commonfeaturesofavatars(howtheylookoraredesigned).Differencesbetweenavatarsandreallife,andthereason(whypeoplemakethesedifferences).Ofcourse,theavataryouchoosesaysalotaboutyourpersonality.Ifyourblogavatarisapictureofacutecat,yourmessageis“Ilikerelaxingandhavingfun”.Well-knowncartooncharactersorlaughingmonkeyssay“I’mareallyfunnyperson”.Mostpeoplecreateavatarsthathavesimilarfeaturestotheirpersonalitiesandthatlookmoreorlesslikethemandactlikethem.However,nearlyallavatarsaretall,youngandnice-looking,sopeopleobviouslymaketheiravatarslookbetterthantheydoinreallife.Theyalsoexperimentwiththingslikedifferenthairstyles—whichsaysalot,perhaps,aboutwhattheywanttolooklike.Ofcourse,theavataryouchoosesaysalotaboutyourpersonality.Ifyourblogavatarisapictureofacutecat,yourmessageis“Ilikerelaxingandhavingfun”.Well-knowncartooncharactersorlaughingmonkeyssay“I’mareallyfunnyperson”.Mostpeoplecreateavatarsthathavesimilarfeaturestotheirpersonalitiesandthatlookmoreorlesslikethemandactlikethem.However,nearlyallavatarsaretall,youngandnice-looking,sopeopleobviouslymaketheiravatarslookbetterthantheydoinreallife.Theyalsoexperimentwiththingslikedifferenthairstyles—whichsaysalot,perhaps,aboutwhattheywanttolooklike.单词音标释义例句关联avatar/ˈævətɑː(r)/头像theavataryouchoosepersonality/ˌpɜːsəˈnæləti/性格saysalotaboutyourpersonalityfeature/ˈfiːtʃə(r)/特征similarfeaturestotheirpersonalitieshairstyle/ˈheəstaɪl/发型differenthairstylesOfcourse,theavataryouchoosesaysalotaboutyourpersonality.Ifyourblogavatarisapictureofacutecat,yourmessageis“Ilikerelaxingandhavingfun”.Well-knowncartooncharactersorlaughingmonkeyssay“I’mareallyfunnyperson”.Mostpeoplecreateavatarsthathavesimilarfeaturestotheirpersonalitiesandthatlookmoreorlesslikethemandactlikethem.However,nearlyallavatarsaretall,youngandnice-looking,sopeopleobviouslymaketheiravatarslookbetterthantheydoinreallife.Theyalsoexperimentwiththingslikedifferenthairstyles—whichsaysalot,perhaps,aboutwhattheywanttolooklike.1.sayalotabout​含义：很大程度反映（≠“说很多”）​例句：Theavatarsaysalotaboutyourpersonality.2.looklike/actlike​含义：看起来像/表现得像​例句：Avatarslookmoreorlesslikethemandactlikethem.3.experimentwith​含义：尝试（新事物）​例句：Theyexperimentwithdifferenthairstyles.​Ifyourblogavatarisapictureofacutecat,yourmessageis“Ilikerelaxingandhavingfun”.条件状语从句（If...）​结构：If+条件，主句（一般现在时，表规律）​Mostpeoplecreateavatarsthathavesimilarfeaturestotheirpersonalitiesandthatlookmoreorlesslikethemandactlikethem.定语从句（that...）​功能：修饰名词（如avatars），说明“什么样的头像”that指代avatars，在从句中作主语

→“具有和性格相似特征的头像”。​However,nearlyallavatarsaretall,youngandnice-looking,sopeopleobviouslymaketheiravatarslookbetterthantheydoinreallife.结果状语从句（so...）​结构：原因+so+结果Theyalsoexperimentwiththingslikedifferenthairstyles—whichsaysalot,perhaps,aboutwhattheywanttolooklike.

非谓语动词：like的“双重身份”​①

动词（喜欢）：like+doing（表习惯/爱好）​例句：Ilikerelaxingandhavingfun.（我喜欢放松、玩乐。）​②

介词（像）：like+名词/动名词（表举例）In"Ilikerelaxingandhavingfun","like"isa_______.（）​A.Preposition​B.Verb​C.Adjective​D.Adverb

ReadforGeneralUnderstandingTheavataryouchoosesaysalotaboutyou.Thearticlewillhelpyouunderstandyourchoiceofavatarsbetter.Usered

tomarkexamplesofhowavatarsshowpersonality(e.g.,moving/talkingavatars),

blue

forcommonfeatureslikehowthey’remadeoract,andgreenfordifferencesbetweenavatarsandreallife(e.g.,flyinginvirtualworlds)plustheirreasons(fearofrealmeetingsorwantingexcitingvirtuallives).Nowadays,avatarsareeverywhere.Inmostwebchats,peoplechooseanavatarfromaselectionofready-madeimages,orcreatetheirownimages.Youcanalsouseavatarsthatmovearoundandtalkwhenyoutypeinyourmessage.Theavatarsinonlineworldscantalk,walkandflyaround,meetpeople,goshoppingandattendclasses.Theuseofavatarshasalsocausedafewconcerns.Someusersworrythattheyarespendingsomuchtimeinvirtualworldsthattheyarebecomingafraidofmeetingpeopleintherealworld.Theuseofseveralavatarscanalsobearisk,aspeoplecanuseavatarstocheatothersonline.However,otherusersviewavatarsinamorepositivelight.Theylookforwardtoatimewhentheiravatarwillactlikearealpersonandtravelaroundbigger,moreexcitingvirtualworlds.avatarready-madeconcerncheatlookforwardto虚拟形象→Chooseanavatarfromready-madeimages.现成的→Ready-madeavatarssavetime.担忧→Theuseofavatarscausesconcerns.欺骗→Peoplemaycheatotherswithfakeavatars.期待（to为介词，接动名词）→Theylookforwardtoexcitingvirtualworlds.并列结构​动作平行（and连接）​例句：Avatarscantalk,walk,fly,meetpeople,goshoppingandattendclasses.​结构：情态动词can+多个动词原形（talk/walk/...）由and连接​关键点：并列成分需保持形式一致（均为动词原形）​选择平行（or连接）​例句：Peoplechooseavatarsfromready-madeimages,orcreatetheirown.​结构：两个动词短语（choose.../create...）由or连接​关键点：or前后成分需对称（均为动词短语）​Readthearticleagain.Completetheinformationbelow.Thefirstsimple2Davatarsappearedinrole-playingcomputergames.Avatarswerebeingusedinwebchatslikeinstantmessenger.Theavataryouchoosesaysalotaboutyourpersonalityandavatarsletyouexpressyourself.Avatarsgiveyouroomforcreativity.Peoplecancreateavatarsandcreatenewidentitiesthatdonotlookoractliketheirrealselves.Peoplespendsomuchtimeinvirtualworldsthattheyarebecomingafraidofmeetingpeopleintherealworld.Peoplelookforwardtoatimewhentheiravatarwillactjustlikearealpersonandtravelaroundbigger,moreexcitingvirtualworlds.PairWorkAskandanswerquestionsaboutavatarsusingtheinformationinActivity4.Thenintroduceavatarstoyourpartner.Whatis...?→Anavatarisavirtualimagethat...Howhave...?→First,theyappearedin...;Then,theywereusedin...Howdopeople...?→Peopleuseavatarsto...andto...Whatareviews...?→Somepeopleworrythat...,whileotherslookforwardto...GroupWorkThinkandshare.Whatdoesthewritermeanby"theavataryouchoosesaysalotaboutyourpersonality"?Doyouagreewiththewriter?Giveexamplestosupportyouropinion.Canyougiveexamplesoftherisksofusingavatars?Whatcanyoudotopreventsuchrisks?1Anavataristhedigitalidentityyouuseonline.2Thefirstsimple2Davatarsappearedinrole-playingcomputergamesinthe1980s.Bythelate1990s,theyhadbeenusedinwebchatslikeinstantmessenger.Nowadays,avatarsareeverywhere.3.Peoplecanchooseanavatarfromaselectionofready-madeimages,orcreatetheirownimages.Peopleuseavatarstoexpressthemselves.Theyuseavatarstocreatenewidentitiesthatdidnotlookoractliketheirrealselves.Theyalsohavedifferentavatarsfordifferentsituations.Peoplealsouseavatarstopresentthemselves.Theyuseorcreateavatarsthathavesimilarfeaturestotheirpersonalitiesandthatlookmoreorlesslikethemandactlikethem.Butpeopleobviouslymaketheiravatarslookbetterthantheydoinreallife.4.Someusersworrythattheyarespendingtoomuchtimeinvirtualworldsandtheuseofseveralavatarscanalsobearisk.Othersviewavatarsinamorepositivelight.Theylookforwardtoatimewhentheiravatarwillactlikearealpersonandtravelaroundbigger,moreexcitingvirtualworlds.identitiesaselectioncreateyourownimagesexpressyourselfroomforcreativityafewconcernsinvirtualworldsariskcheatothersonlineapositivelight时态辨析：过去时（P）vs.过去将来时（PF）

讲义一、核心概念回顾过去时（Past,简称P）：描述过去某个时间点发生的动作或存在的状态，动词常用过去式（如knew,started,discovered等)。过去将来时（PastFuture,简称PF）：站在过去的时间点

上，描述过去看来“将来会发生”的动作或状态。常见结构：would+动词原形（如wouldhave,wouldbeseen）；was/weregoingto+动词原形（如weregoingtohave）peopleknew：knew是know的过去式，描述

过去（某个时间）人们“知道”这个动作

→P。futureavatarswouldhave：wouldhave表示：在“knew”的过去时间里，人们预想

未来的化身“将会有”多样形式

→

站在过去看未来

→PF。句子1Yet,veryfewpeopleknewthatfutureavatarswouldhavesuchawidevarietyofformsanduses.peoplestarted：started是start的过去式，描述

过去“开始”创建化身的动作

→P。theydiscovered：discovered是discover的过去式，描述

过去“发现”的动作

→P。theywerego