人教版高中英语book7unit2period4导学案

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1、主备人：程静静审核人:负责人签字：Unit2RobotsPeriod3Grammar-动词不定式的被动语态班级：小组：姓名：小组评价：教师评价：Learningaims：1.Learnthepassiveinfinitive.2.Masterthedifferentusagesofthepassiveinfinitiveanditsspecialuses.3.Developsenseofgroupcooperation.Learningdifficultandimportantpoints:Learnhowtousethepassiveinfinitiveanditsspecialuses

2、correctly.Learningtips：LReadthetextbookandreferencebookcarefullyandthenobservetheexamplestofindtherulesofthepassiveinfinitiveanditsspecialuses.2.Finishtheprevisionwithin30minutes.自主预习仔细阅读《三维设计》P27-30的内容，并试着完成其相应练习。不定式有时态和语态的变化，时态共四种，即一般式、完成式、进行式和完成进行式；语态分为主动语态和被动语态，如下表所示：当动词不定式的逻辑主语是动词不定式所表示的动作的执行

3、者时用主动语态；当动词不定式的逻辑主语是动词不定式所表达的动作的承受者时用被动语态。进行式和完成进行式没有被动语态语态时态主动语态被动语态—般式todotobedone完成式tohavedonetohavebeendone进行式tobedoing/完成进行式tohavebeendoing/一、不定式的被动形式有下列用法1.作主语：Itisanhonourformetobeaskedtospeakhere・Itanhonourtobeinvitedtotheceremony・2.作宾语：SheaskedtobesenttoworkinXinjiang.Shedidnlliketobetre

4、atedasachild.3.构成复合宾语：Hewantedthelettertobetypedatonce・Shedidn'tlikeherselftobepraisedlikethat.4.构成复合谓语：Thebooksarenotallowedtobetakenoutoftheroom.Hisdreamwastobeadmittedtoagooduniversity・5・作定语：Areyougoingtothemeetingtobeheldintheteachers'office?Therearealotofthingstobediscussed・6.作状语：Shewastooyou

5、ngtobeassignedsuchwork・Shewassenttheretobetrainedforthespaceflight.二、不定式有时还可以有完成式的被动式，在句中作主语、宾语、定语，或者构成复合宾语、复合谓语等，如：Itisagoodthingforhimtohavebeencriticized.（主语）Shepreferredtohavebeengivenheavierworktodo.（宾i吾）Hethoughtitanhonortohavebeeninvitedtotheparty.（复合宾语）Thebookissaidtohavebeentranslatedinto

6、manylanguages.（复合i胃语）Shewasthefirstwomantohavebeenelectedtosuchapost.（定语）三、不定式的主动形式表示被动1.在therebe结构中。Thereisalotofhomeworktodotobedone.Thereisnotimetolose（tobelost）.Therearestillmanythingstotakecareof/tobetakencareof.2.在“n/pron+be+adj+todo”结构中。常用的形容词有easy,difficultyhardimpossible,nice,pleasant,lig

7、ht,heavy,interesting9important^expensive>cheap,fit,dangerous等。Heishardtoconvince.Heisanimpossiblepersontoworkwith.3•在"too—todo;enough...to...9,结构中。如：Theproblemistoodifficulttoworkout（tobeworkedout）.Thehouseisbige