贵州省贵阳市花溪二中八年级英语《Unit 3 Knowledge of Common Interest》课件6.ppt_第1页
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grammarsince reviewsince 既然 由于 theadverbialclauseofreasonwithsince sincethisisyourfirstvisittomyfamily shallishowyouaroundourhouse completethesentences 1 sinceyouareastudent 2 sinceyouarefree 3 sinceyouarepooratenglish readthefollowingsentences1 tomhasstayedinbeijingfortenyearssincehemovedtherein1993 2 dickhasn tseenhismothersinceheleftherlastyear 3 sincetheexhibitionopenedtothepublicinmay manypeoplehavevisitedit whichclausetellsusthetime whattensedoweusuallyuseintheclausewithsince andwhattensedoweusuallyuseinthemainclause since表示 自从 自从 以来 主句动词应用延续性动词 时态 主句 现在完成时 从句 一般过去时 主句 一般现在时 从句 一般过去时e g wehavelearned3000englishwordssincewebeganlearningenglish itisaboutthreeyearssincewegottoknow since作为时间状语从句的引导词常见的四种用法since 过去一个时间点 如具体的年 月 日期 钟点 1980 lastmonth halfpastsix ihavebeenheresince1989 2 since 一段时间 agoihavebeenheresincefivemonthsago 3 since 从句greatchangeshavetakenplacesinceyouleft 4 itis 一段时间 since从句itistwoyearssinceibecameateacher practice correctthemistakes1 jackhasbeenawayfromshanghaifor2o clock2 julia sgrandmotherhasdiedsince2010 3 ididn tseemyfriendssinceihavegraduatedfromfudanuniversity 4 tomhasborrowedthisbooksincelastwednesday 5 ithavebeentwoyearssinceilastsawyou 常见的瞬间动词转换成延续性动词 leave borrow buy begin start die finish join open beaway keep have beon bedead beover bein 组织结构beanumberof 组织结构 keepsth open fallill getup catchacold comehere gothere become comeback return fallasleep beill beup haveacold behere bethere be beback beasleep getto arrive reach leave gettoknow go get out puton close lose begintostudy marry getready be in beawayfrom know beout wear beclosed belost study bemarried beready b rewritethefollowingsentencesasrequired 1 dickhasn tseenhismothersinceheleftshanghailastyear 划线部分提问 hasn tdickseenhismother 2 thefilmbegantenminutesago 保持原意不变 thefilm fortenminutes 3 lihuijoinedthearmyin2001 保持原意不变 lihui thearmy tenyears lihui 2001 tenyears lihuijoinedthearmy howlong hasbeenon hasbeenin for hasbeena soldiersince itissince 4 theoldmandied4yearsago theoldman 2007 4years theoldmandied 5 iboughtthebook5daysago 5days iboughtthebook i thebook 5days 6 myfatherhasbeenawayfromshanghaisincethismorning myfather shanghaithismorning hasbeendeadsince itissince itissince havekeptfor left grammartill until not until keypoints until prep orconj untilornot untilthetenseintheadverbialclauseoftimeuntil not until itmaylastuntilfriday hewillbeworkinguntil5o clock don tgetoffthebusuntilthebusstops shedidn tgotobeduntil12o clockp m heranuntilhewasbreathless prep prep conj prep conj wewaiteduntiltherainstopped therainstopped waited readthefollowingsentencesandthinkitover inwhichtypeofthesentencestheactionsoftheverbscanlastlong theoneuntilortheonewithnot until hedidn tgotobeduntilhismothercamebacklastnight hismothercameback x notgotobed gotobed until用于肯定句中 表示主句的动作一直持续到从句动作发生或状态出现时为止 主句动词延续性动词 非瞬间动词 until用于否定句中 表示主句的动作在从句的动作发生之前尚未发生 conclusion i until not until主从句时态应注意一致性 或者主句是一般将来时 从句用现在时 主将从现 conclusion ii till与until的用法区别 till与until的用法基本相同 但1 until可用于句首 而till通常不用于句首 2 在肯定句中 until可与till互换 且与延续性动词连用 3 在否定句中 until不能与till互换 且与瞬间动词连用 practice a fillintheblanks theteacher leave untiltwelveo clock mybrother gotosleep untilmidday getoff thebusuntilithasstopped i start todoituntilyouhadexplainedhow wait untilicallyou jenny arrive until6o clocktomorrowmorning einstein be abletoreturntohishomelanduntilthewarwasover didn tleave didn tgotosleep don tgetoff didn tstart wait won tarrive wasn t 1 themeeting begin assoonasthemanager arrive 2 wheni walk home i see sueandherhusband 3 i go toseeafilmafteri finish cleaningtheroomthisafternoon 4 beforewe fly backtolondonyesterday we visit afewinterestingplaceshere b fillintheblanks 5 ifit rain tomorrow we stay athomeand watch tv 6 yesterdayhe watch cartoonsassoonashe finish hishomework 7 assoonasi graduate iwillgotraveling c rewritesentencesasrequired mysisterisstayinguntilnextsunday 划线部分提问 isyoursisterstaying 2 shestoppeddancingafterhermotherreturned she dancing hermotherreturned she hermotherreturned 3 wekeptontalkinguntilhecamein we talkinguntilhecamein 4 hesleptuntilsomeoneknockedatthedoor he untilsomeoneknockatthedoor heslept someoneknockedatthedoor howlong didn tstopuntil dancedbefore until didn tstop didn twakeup before 5 hedidhishomeworkbeforehewenttobed he hishomework hewenttobed he tobed hefinishedhishomework 6 igotoschoolafterihavebreakfast i gotoschool ihavebreakfast 7 theydidn tarriveuntilitwasdark they itwasdark diduntil didn tgountil don tuntil arrivedwhen d translatesentences 我昨晚直到写完作业才睡觉 ididn tsleepuntilifinishedmyhomeworklastnight 2 jack一直睡到电话铃响 jacksleptuntil tillthetelephonerang 3 那对年青夫妇 theyoungcouple 直到花光了 useup 所有的钱才快乐起来 theyoungcouplewasnothappyuntiltheyusedupallthemoney 4 我将一直等你到4点半 iwillwaitforyouuntil4 30 5 那个孩子直到5岁才会说话 thechildcouldn tspeakuntilhewasfiveyearsold oralwork jane whendoesthelibraryopen you itdoesnotopenuntil8a m jane howlongisitopen you forfourteenhours itstaysopentill10p m jane thankyou you you rewelcome 184days 12hoursandahalf a it saweeksincethen

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