新概念英语第二册课件Lesson 17（共22页PPT）.ppt
Always youngReviewWhatdidwelearnlastweek?Canyouanswerthesequestions?1)What does Aunt Jennifer do and how old is she?MyauntJenniferisanactressandShemustbeatleastthirty-fiveyearsold.2)What part does Jennifer often act on the stage?Sheoftenappearsonthestageasayounggirl.1)3)What does she think of being grown up?Itmustbeterribletobegrownup年龄的两种表示方法：数字+yearsold，作表语thirty-fiveyearsold三十五岁数字+-year-old，作定语myfour-year-olddaughterMyauntJenniferisanactress.Shemustbeatleastthirty-fiveyearsold.以-ess结尾的是女性；以-or、-er结尾的是男性actor男演员 actress女演员waiter男服务员waitress女服务员prince王子princess公主lion公狮子 lioness母狮子doctor男医生womandoctor女医生god神goddess女神(God上帝,注意“G”大写)must+动词原形不得不,必须；(对现在的)推测Shemustbeamodel.Sheisfifteenyearsold.她五岁了Shemustbefifteenyearsold.她很可能五岁Shemustbeatmostfifteenyearsold.她最多十五岁Shemustbeatleastfifteenyearsold.她至少十五岁atleast至少,最少Ifyoucantcleanthecar,youcanatleasthelpmetocleanit.atmost最多Inspiteofthis,sheoftenappearsonthestageasayounggirl.inspiteof不管，尽管(“of”为介词,后面一定会加名词、代词或从句)inspiteofthis尽管如此Inspiteofthis,Istilllikeschool.（school前不加“the”表示上学，加“the”只表示学校）Inspiteofwhatyouhavesaidabouther,sheismuchbetterthanMary.Jenniferwillhavetotakepartinanewplaysoon.join参加了某一种团体 joinsb./sth.jointhearmy参军jointheparty入党joinus(口语)加入我们(这个团体)中来takepartin参加某一种活动takepartintherace参加比赛takepartinaplaytakepartinthepartyThistime,shewillbeagirlofseventeen.两种年龄的表达：Sheiseighteenyearsold.Sheisagirlofeighteen.Intheplay,shemustappearinabrightreddressandlongblackstockings.in(+颜色、衣服)穿着样的衣服，用介词短语取代动词，避免了一句话中出现两个动词Theboyingreen.inabrightreddress鲜红色的连衣裙Lastyearinanotherplay,shehadtowearshortsocksandabright,orange-coloureddress.bright,orange-coloureddress鲜艳的桔黄色衣服 Ifanyoneeverasksherhowoldsheis,shealwaysanswers,Darling,itmustbeterribletobegrownup!ever=atanytime任何时候(时间副词)itmustbe一定(表示推测)grown-upadj.成年人begrown-up作为一个成年人growup(人)成长当有人问你年龄时，你可以这样回答：Itisasecret./Itisprivacy.Iforgetit.情态助动词mustMust译为“必须”，可以表示“必要，命令或强制，邀请，决心，不可推卸的责任”等多处含义。它没有时态和人称变化，通常只用于现在时和将来时。在其他时态时，must的有些含义可以用haveto或havegotto。这三种形式一般可以互换，但用于第一人称时，haveto(havegotto)强调客观的要求或外在的原因，must则强调主观的要求或表示说话的人认为自己有权做某事。haveto和havegotto往往可以互换，但与always，sometimes等频度副词连用时，用haveto往往比用havtgotto好。havegotto比haveto更口语化。在过去时的句子中,要用haveto来表示“必须”，haveto可以有任意时态Shewillhaveto；Shehadto；Shehas/Ihavehadtohaveto作为实义动词,否定式为donthaveto；willnothaveto；didnthaveto在表达“难道你不能不（做）”时，一般用“Mustyou?”，而不用“Doyouhaveto?”Mustyouleavenow?难道你非得现在就走吗？Imafraidso.Ihavetostudyforanexam.must可以表示推测，mustdo表示对现在的推测；musthavedone表示对过去的推测Hemustbemad.在Ithink/hethinks的从句中，一定要用事实说话.(不能说成“Ithinkhemustbeafool.”)mustbe的否定式为cantbe（不可能）：Someonesusingthephone,itmustbeJohn.ItcantbeJohn.Hepromisedmehewouldntuseittoday.Homework1,听Lesson172,背Lesson173，写练习册Lesson174，听写Lesson175，预习Lesson18
