高二选修7unit2-robots-learning-about-language教学文案.ppt

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1、高二选修7Unit2-Robots-Learning-about-languageThoughthestructureseemslikeapassivesentence,itisnot.Apassivesentenceindicatesapassiveactionwhilethissentencedescribesasituationwhensomeonehasthefeelingofalarm.“alarmed”isanadjectiveformedbyV+ed.Key!DiscoveringusefulstructuresGooverthepassivevoice当不定式的

2、逻辑主语是这个不定式所表示的动作的承受者时，一般要用不定式的被动式。不定式的被动式可以在句中作主语、作宾语、作表语、作定语、作状语。语法1.It’sanhonourtobeinvitedtotheceremony.2.Shedidn’tliketobetreatedasachild.3.Hisdreamwastobeadmittedtoagooduniversity.4.Therearealotofthingstobediscussed.5.Shewassenttheretobetrainedforthespaceflight.作主语作宾语作表语作定语作状语不定式的被动式关于不

3、定式的被动式,在学习中我们应注意以下几种情况：不定式完成时的被动式在句中作主语、宾语、定语或表语。如：Itisagoodthingforhimtohavebeencriticized.他受到批评是件好事。Shepreferredtohavebeengivenmoreimportantworktodo.她宁愿分给她的是更重要的工作。Mytaskistoteach。在某些结构中不定式虽然表示被动含义，用的却是主动形式。但在therebe句型中，用来修饰主语的不定式可以用被动形式，也可以用主动形式。如：Westillhavemanydifficultiestoovercome.我们还

4、有很多困难要克服。Givehimsomecakestoeat.给他吃点蛋糕。Thehouseistolet.房子要出租。Whoistoblameforit?这得怪谁？Thereasonisnotfartoseek.理由不难找到。Therearestillmanythingstotakecareof/tobetakencareof.还有好些事要处理。用单词的适当形式填空1.Hewantedtheletter__________(type)atonce.2.Itisthefirstsuchproject______________(design)byChineseengineers

5、.tobetypedtobedesignedPractice3.Theyknewhim___________________(arrest)bythepolice.4.He’llshowyoutherightpath_______(take).5.Hesaidhewas_________(send)theretoattendanimportantmeetingnextFriday.tohavebeenarrestedtotaketobesenttotaketobesenttotaketobesent6.Shedidn’twantherson___________(take)aw

6、ay.7.Doletyourmotherknowallthetruth.Sheappears________________(tell)everything.8.Sheisbusypreparingfortheexams__________(hold)nextmonth.9.Hehurriedtothestationonly______(tell)thatthetrainhadleft.tobetakentohavebeentoldtobeheldtobetold1.Havingatripabroadiscertainlygoodfortheoldcouple,butitrem

7、ains____whethertheywillenjoyit.A.toseeB.tobeseenC.seeingD.seenII.Choosetherightanswer.B2.Ihurriedtothemeetinghall,only____thatthemeetinghadbeenputoff.A.totellB.tobetoldC.tellingD.toldB3.Doletyourmotherknowallthetruth,sheappears____everything.A.tote