Period21.Themanisaworker.2.Themanisspeakingatthemeeting.合并句子:Themanwhoisspeakingatthemeetingisaworker.概念:在复合句中修饰名词或代词的句子.(Attributiveclause)Maryisabeautifulgirl.Maryisagirlwhohaslonghair.形容词作定语句子作定语,修饰girl,叫做定语从句Maryisagirl.Maryhaslonghair.合并为一个句子Maryisagirlwhohaslonghair.先行词关系词定语从句Maryisagirlwhohaslonghair.关系代词关系副词which,who,whom,whose,thatWhere,when定语从句的用法:当先行词是物时,用which或that引导.Thesearethetreeswhichwereplantedlastyear.当先行词是人时,用who,whom,whose,that引导.who,whom,whose,that用法区别.who作定语从句的主语或宾语.Themanwhoisspeakingatthemeetingisaworker.Themanisaworker.Themanisspeakingatthemeeting.分解作主语Whom作定语从句的宾语Thewomanwhomtheywantedtovisitisateacher.Thewomanisateacher.Theywantedtovisitthewoman.分解作宾语whose作定语从句的定语.Iknowthegirlwhosemotherisateacher.分解Iknowthegirl.Thegirl’smotherisateacher.作定语that可以作定语从句的主语和宾语.注意:关系代词作动词宾语时可省略.Thewoman(whom/that)theywantedtovisitisateacher.下列情况只能用that序数词或最高级adj修饰先行词时TomisthecleverestboythatIhaveeverknown.all,everything,nobody等不定代词作先行词时Everythingthatwesawinthisfilmwastrue.1.Ihaveafriend________likeslisteningtoclassicalmusic.who/thatwhich/thatwhose3.Theman______legbrokeinamatchusedtobeafootballplayer.2.YesterdayEmilywaswearingthenewdress__________Igaveher.4.Myparentsliveinahouse__________ismorethan100yearsold.5.Theboywith_______Johnspokeismybrother.which/thatwhom6.Kevinisreadingabook__________istoodifficultforhim.which/that7.Isthereanything________youwanttobuyinthetown.8.All______wecandoistostudyhard.9.Thefirstone_____standsupisalittleboy.thatthatthat1.这就是救了那个孩子命的医生.Thisisthedoctorwhosavedtheboy’slife.2.正在跑步的那个人是我的叔叔.Themanwhoisrunningismyuncle.3.我喜欢可以随之而唱的音乐.IlikethemusicthatIcansingalongwith.4.住在隔壁的那个女的是一名教师.Thewomanwholivesnextdoorisateacher.Unit6It’sasweater2dollarsthatis.beautifulusefulcomfortablecolorfulIt’sasweaterthatisbeautiful.It’sasweaterthatiscomfortable.It’sasweaterthatiscolorful.It’sasweaterthatisuseful.verycheapIlikesweatersthatareverycheap.sweatersarebeautifulusefulcomfortablecolorful…Whatkindofclothesdoyoulike?Whatkindofclothesdoyoulikebest?