高中英语《Unit 4 Wildlife protection》period 3课件 新人教版必修2.ppt

animalsindanger grammar 3 conclusion 15m askstudentstomakeaconclusionoftheuseofattributiveclauses twokindsoftheattributiveclause 1 限制性定语从句restrictiveattributiveclause 无逗号 2 非限制性定语从句non restrictiveattributiveclause 有逗号 hedoesn tliketowearclotheswhich thatmadehimverystrange hedoesn tliketowearclothes whichmadehimverystrange xihuawhoimetacrossinthestreetafewdaysagohasgoneabroad xihua whoimetacrossinthestreetafewdaysagohasgoneabroad attributiveclause 定语从句被修饰的词 先行词引导定语从句的词 关系词关系词分为关系代词和关系副词两类 指代被修饰的词 先行词 并且在从句中充当成分 theyhavethreehouses thethreehousesarebuiltofstone heisnotatrueman hedoes treachthegreatwall theyhavethreehouseswhich thatarebuiltofstone hewhodoes treachthegreatwallisnotatrueman 关系代词 1 who指人 作主语或宾语 作宾语可省略 themanwhoitalkedwithisourteacher apersonwhostealsthingsiscalledathief 2 whom指人 作宾语 作宾语可省略 如介词提前则不能省 theman whom who inoddedtoismr li themantowhominoddedisprofessorli apple theredthegreenthesmallthebig theapplewhichisredismine theapplewhichisgreenisyours theapplewhichisredissmall theapplewhichisgreenisbig mrs clarkisangrywiththegoat thegoatiseatingherflowers mrs clarkisangrywiththegoatwhichiseatingherflowers canyoulendmethebook youtalkedaboutitlastnight canyoulendmethebook which youtalkedaboutlastnight canyoulendmethebookaboutwhichyoutalkedlastnight doyoufindthepen iwrotewithitjustnow doyoufindthepenwithwhichiwrotejustnow doyoufindthepen which iwrotewithjustnow 3 which指物 作主语或宾语 作宾语可省略 如介词提前则不能省 thesearethetreeswhichwereplantedlastyear thisrecorder which heisusingismadeinjapan isthisthelibrary which youborrowbooksfrom isthisthelibraryfromwhichyouborrowbooks that指人 物 作主语或宾语 作宾语可省略 aplaneisamachine itcanfly aplaneisamachinethatcanfly heistheman itoldyouabouthim heistheman that itoldyouabout heistheman that itoldyouabout 注意 介词提前时只能用which而不能用that 4 that指人 物 作主语或宾语 作宾语可省略 aplaneisamachinethatcanfly that和which在指物的情况下一般都可以互换 但在下列情况下 一般用that而不用which iamsureshehassomething that youcanborrow i vereadallthebooksthatarenotmine thisisthefirstbook that hehasread thisistheverybookthatbelongstohim 1 先行词为all everything nothing something anything little much等不定代词时 2 先行词被all every no some any little much等修饰时 3 先行词被序数词或最高级修饰时 4 先行词被theonly thevery thesame thelast修饰时 1 thescientistisveryfamousintheworld wemetheryesterday thescientist wemetyesterdayisveryfamouswhointheworld whomthat 2 thedressisnew sheiswearingit thedressthatsheiswearingisnew which 3 heisthekindperson ihaveeverworkedwithhim 4 thisisthebestfilm ihaveeverseenthisfilm heisthekindpersonthatihaveeverworkedwith whowhom thisisthebestfilmthatihaveeverseen 关系副词引导定语从句时 既引导定语从句 又在定语从句中充当状语 关系副词可转化为介词 关系代词 which 结构 1 when指时间 在定语从句中充当时间状语 hetoldmethedatewhen onwhich hejoinedtheparty 1949wastheyearwhen inwhich thep r c wasfounded 2 where指地点 在定语从句中充当地点状语 thisistheplacewhere inwhich welivedtenyearsago thehotelistheonewhere atwhich istayedlastmonth 3 why指原因 在定语从句中充当原因状语 iknowthereasonwhy forwhich shewassoangry 关系代词前介词 介词 which 的确定1 根据从句中动词与先行词的逻辑关系e g isthatthenewspaper whichyouoftenwritearticl