人教版高中英语选修7教案unit5travellingabroad4

揭阳第三中学教案表课题Book7Unit5Travelingabroad课型Period4Grammar非限制性定语从句教学目标1.Targetlanguage目标语言a.重点词汇和短语whichwhosewhowhomprep,whenwhereasb.重点句式thereasonwhyclauseisthatclausepreprelativepronoun:forwhich,inwhichatwhich,forwhomasisknowntoall,aswasexpected2.Abilitygoals能力目标1ToarouseSs’interestinlearningaboutgrammar2ToencourageSstousegrammarknowledgecorrectly3.Learningabilitygoals学能目标1ToarouseSs’interestinlearningaboutgrammar2ToencourageSstousegrammarknowledgecorrectly重点难点Helpthestudentslearnaboutgrammar–非限制性定语从句非限制性定语从句与限制性定语从句的异同教具准备Aputerandaprojector.课时安排TwoStep1leadinWhoistheman–showtheclassaphotoofBradPitt.Theman______issittingthereisBradPitt.*Theman___shespeakstoisBradPitt.*Theman______shespeaksisBradPitt.Whoisshe?Cecilia,______tookweightlosspills,nowrealizesthathealthisimportant.Cecilia,_______bodyisthin,stillwantstolosesomeweight(减肥).Canyoutellmethedifferencebetweenthefirst3andthelasttwo?ma非限制性定语从句总结：限制性定语从句与先行词之间不用逗号隔开；非限制性定语从句与先行词之间一般用逗号隔开。Step2Grammarexplaining1与先行词的关系Mycousinwhosefatherisateacherwantstobeanactor.Mycousin,whosefatherisateacher,wantstobeanactor1.A.ThisistheplacewhereIlivedtenyearsago.B.SheisgoingtospendthewinterholidayinMacao,whichreturnedtoChinain1999.2.A.HeisamanwhoIcanaskforhelp.B.Hisfather,whoworksinBeijing,camebackyesterday.限制性定语从句和先行词关系密切，如果去掉从句，剩余部分意义不完整；非限制性定语从句只是先行词的附加说明，如果去掉从句，意义仍然完整。有时同一个限制性从句变为非限制性从句会改变全句的意思。Forexample:1.Ihaveasisterwhoworksinahospital.我有一位在医院工作的姐姐。不只一位姐姐2.Ihaveasister,whoworksinahospital.我有一位姐姐，她在医院工作。只有一位姐姐Hisfather,whoworksinBeijing,camebackyesterday.2使用的场合：当先行词是地名人名、世界上独一无二的事物或家庭唯一成员时，通常只用非限制性定语从句。Shanghai,whichisinEastChina,isdevelopingrapidly.Fillintheblankswithproperrelativewords.1.Thefamousbasketballstar,_____isanAmerican,cametoChinayesterday.2.Inthosedays,sheusedtogotoMrblack,with_____shehadawonderfultime.3.Iboughtacaryesterday,_____costmealot.4.Xi’an,______Ivisitedlastyear,isaniceoldcity.5.HewilletoseemenextJuly,___hewon’tbesobusy.6.Theschool,_______Ioncestudied,wasbuiltthirtyyearsago.7.Johnsaidhe’dbeenworkingintheofficeforanhour,_______wastrue.MoreexamplesHemissedtheshow,whichwasagreatpity.Heinvitedmetodinner,whichmademehappy.3which和as都可以指代整个句子，但她们可有区别？非限制性定语从句中关系代词which/as可指整个主句的意思或一部分意思。As引导的定语从句既可以位于句末，也可以位于句首或句中。Aseveryoneknows,Chinaisacountrywithalonghistory.正如大家所知，中国是一个有着悠久历史的国家。Sheisateacher,asisclearfromhermanner.她是位教师，这一点从她的举止可以清楚地看出。Aseveryoneknows,Chinaisacountrywithalonghistory.正如大家所知，中国是一个有着悠久历史的国家。Sheisateacher,asisclearfromhermanner.她是位教师，这一点从她的举止可以清楚地看出。5非限制性定语从句的一些特征1）关系代词：which/who/whom/whose/as2）关系副词：when/where，没有why只可用forwhich3）非限制性定语从句中不用关系词that；非限制性定语从句中关系词不能省略Otherexamples1.Iamdoingdifferenttypesofexercises,allof_______arequitehelpfultomyhealth.2.Manypeople,someof_______arenotoverweight,aregoingondiets.3.Thereare54studentsinmyclass,threeof________efromUS.4）在ofwhich/whom之前可以使用表达数量或定位的数词或代词。6非限制性定语从句和限制性定语从句的差别Differences:1）非限制性定语从句有ma（逗号）2）Thenonrestrictiveattributiveclausecanbeleftout.（非限制性定语从句可以被省略）3）Wecan’tuse“that”init.（非限制性定语从句中不可以用that)4）Wecan’tmisstherelativewords,（非限制性定语从句中关系代词不可以被省略）Step3practice1Itisreportedthattwoschools,________两者都arebeingbuiltinmyhometown，willopennextyearIfashophaschairs_______womencanparktheirmen,womenwillspendmoretimeintheshop.2Iwalkedinourgarden,_______TomandJimweretyingabigsignontooneofthetrees.3Greatchangeshavetakenplaceinthatschool.Itisnolongerwhatitwas20yearsago,______itwassopoorlyequipped.4Thereweredirtymarksonhertrousers_______shehadwipedherhan