人教版高中英语课件：必修2 第3单元 Computersgrammar.ppt

whoami grammar translatethefollowingexpressions 1 beemployed2 beincreased3 bevolunteered4 besaidtohavedisappeared5 besaidtobehappy6 besaidtohaveresigned 被就业被增长被自愿被失踪被幸福被辞职 thetimesofpassiveness被时代 被动语态be done 把下列含有被动语态的英语谚语翻译成中文 heisnotlaughedatthatlaughsathimselffirst自嘲者不会让人见笑 timelostcannotbewonagain 时光流逝 不可复得 oncebitten twiceshy 一朝被蛇咬 十年怕井绳 experiencemustbebought 吃一堑 长一智 romeisnotbuiltinaday 冰冻三尺 非一日之寒 被动语态顺口溜 动作谁做的不知道 说出谁做的不必要 接受动作者要强调 用被动语态最为妙 thepromisehasbeencarriedout anewlibraryisbeingbuiltnearourhouse ischinesespokenbymanypeopleoutsidechina thecookislikedbyusall 口诀一 何时使用被动语态 如何将主动语态变为被动语态 口诀二宾变主 把 是 be 补 动词跟 变过 去 分 词 时与数 是 随主 语 时态随原句 莫变要记准 主语代词变宾格 成为by宾 语 e g theworkerswillcompletethestadiumnextyear thestadiumwillbecompletednextyear bytheworkers thewriterwritessuchbooksforchildren suchbooksarewrittenforchildren bythewriter welovetheparty thepartyislovedbyus 使用被动语态应注意口诀三被动不离 be 与 p p 主谓一致莫忘记 句中时态要留意 进行 易漏一个 being 1 haveyoumovedintothenewhouse notyet therooms arebeingpaintedb arepaintingc arepaintedd arehavingpainted2 theywerecleaningtheirclassrooms theirclassroomswerebeingcleanedbythem 表格 被动态基本结构 am is aredone was weredone am is arebeingdone was werebeingdone willbedone wouldbedone have hasbeendone hadbeendone 歌诀是 被动语态be字变 过去分词跟后面 1 astheyearhavegoneby ihavebeenmadesmallerandsmaller 2 awrist wornpchasbeeninventedrecently 3 manynewbuildingshavebeenbuiltintiantaisince1990 4 anewlibraryhasalreadybeenbuiltintiantaihighschool 5 thehouseshavebeendestroyedbythestorm 6 severalsoldiershavealreadybeenkilledintheconflict dotheunderlinedpartshavesomethingincommon discovering 现在完成时的被动语态have hasbeendone 1构成 主动语态被动语态现在完成时have hasdone thepresentperfectpassivevoice 现在完成时的被动语态 现在完成时的被动语态表示动作发生在过去 到现在已经完成或对现在仍有影响 have hasbeendone learningthestructure findoutthesentencesusingthepresentperfectpassivevoicefromthetext 请找出课文中含有现在完成时被动语态的句子 overtimeihavebeenchangedquitealot ihavebeenusedinofficesandhomessincethe1970s andmymemorybecamesothat likeanelephant ineverforgetanythingihavebeentold sincethe1970smanynewapplicationshavebeenfoundforme ihavealsobeenputintorobotsandusedtomakemobilephonesaswellashelpwithmedicaloperations ihaveevenbeenputintospacerocketsandsenttoexplorethemoonandmars wwpcwrist worn wearablepc awrist wornpc invent recently apen likecomputer already develop hasbeeninvented has beendeveloped 小试牛刀 thenewcampusofhualonggenhighschool already build has beenbuilt thehouses destroy bythestorm havebeendestroyed groupwork2 changethefollowingsentencesintothepresentperfectpassivevoice puttheverbsintocorrectform recently we haveboughtanewpersonalcomputer recentlyanewpersonalcomputerhavebeenbought 主动句中的主语we变为被动语态时被原句中的宾语替换 2 changethefollowingsentencesintothepresentperfectpassivevoice puttheverbsintocorrectform recentlywehaveboughtanewpersonalcomputer wehaveusedthecomputereverydaysinceweboughtit wehavejustjoinedourcomputertotheinternet however wehavefoundmanyproblemswithit sowehavedecidedtoaskaprofessionalmantofixit soonhehasfixedthecomputer hehasbuiltapcthewaywewanted howexcitedweare thesedayswehavewrittenalotofe mailsonthecomputer wehavedecidedtowriteareportaboutthepositiveandthenegativeeffectsofusingcomputers 2 changethefollowingsentencesintothepresentperfectpassivevoice puttheverbsintocorrectform recentlyanewpersonalcomputerhavebeenbought thecomputerhavebeenusedeverydaysinceweboughtit ourcomputerhavebeenjustjoinedtotheinternet however manyproblemshavebeenfoundwithit soithasbeendecidedtoaskaprofessionalmantofixit soonthecomputerhasbeenfixed apchasbeenbuiltthewaywewanted howexcitedweare thesedaysalotofe mailshavebeenwrittenonthecomputer ithasbeendecidedtowriteareportaboutthepositiveandthenegativeeffectsofusingcomputers whathasbeendecided example s1 ithasbeendecidedthatthosewhodonotdoheirhomeworkwillbeaskedtoreturntoschoolonsaturday s2 ithasbeendecidedthatthosewhokeeptheclassroomtidyshouldbeallowedtogohomeearlyeveryday s3 ithasbeendecidedthat s4 getintogroupsoffour yourtaskistodecidewhathasbeendecidedfortheclass taketurnstomaketheideasasinterestingoraslivelyasyoucan collecttheonesyoualllikebestandbepreparedtotellthemtotheclass playagame 1 howlong atthisjob since1990 a wereyouemployedb haveyoubeenemployedc hadyoubeenemployedd willyoubeemployed2 whenandwheretogofortheon salaryholiday yet 2003上海春季 a arenotdecidedb havenotbeendecidedc isnotbeingdecidedd hasnotbeendecided3 allthepreparationsforthetask andwe rereadytostart 2000北京春季 completedb completec hadbeencompletedd havebeencompleted b d 高考链接 d 在汉语中 有一类句子不出现主语 在英语中一般可用被动结构来表示 例如 据说 itissaidthat 据报导 itisreportedthat 据推测 itissupposedthat 希望 itishopedthat 众所周知 itiswellknownthat 普遍认为 itisgenerallyconsid