高一英语必修一unit4 定语从句(class17)

Unit4Earthquake,TheAttributiveClause,定语从句：,定义：修饰名词或代词的句子叫定语从句,ThisisthebestfilmthatIhaveseen.,从广义上说就是将定语和从句结合在一起。,先行词,定语从句中定语所修饰的名词或代词,ThisisthebestfilmthatIhaveseen.,thebestfilm,先行词,关系词,包含关系代词和关系副词,作用：,充当成分：做主、宾、定、状成分,代替先行词：指代上词内容,引导定语从句：连接主句和从句，相当于一连词,ThisisthebestfilmthatIhaveseen.,that,关系词,who,whom,which,that,whose,引导定语从句的关系代词,Themanwillsucceed.Hehasapositiveattitude.,Themanwillsucceed.,whohasapositiveattitude,who代替人在定语从句中作主语或宾语,练习：用定语从句连成一个句子,Thegirlisasinger.(定)Thegirlissittinginthecorner.Thegirlisasinger.,whoissittinginthecorner,who,whom代替人在定语从句中作宾语作宾语时whom可以省略,Thisistheperson.(定)Italkedtothepersonjustnow.,Thisistheperson,whomItalkedtojustnow.,Thisistheperson,towhomItalkedjustnow.,whom,Ihavemanyfriends.(定)Isendpostcardstomyfriendsbeforetheirbirthday.IhavemanyfriendswhomIsendpostcardstobeforetheirbirthday.IhavemanyfriendstowhomIsendpostcardsbeforetheirbirthday.,练习：用定语从句连成一个句子,whom,who,which指代物,在定语从句中既可作主语也可作宾语作宾语时which可省略,Thinkingisthekey.Thekeyopensthedoorsoftheworld.,Thinkingisthekey,whichopensthe,doorsoftheworld.,Dontexpectpeopletodothings.(定)Youwouldntdothethingsyourself.,Dontexpectpeopletodothings,youwouldntdoyourself.,(which),which,onthetopofthehills,talktothestudent,lookafterthebaby,先行词在从句中作宾语时,引导词可省略,Pleasefillintheblanks,usingthepronounsabove.,Thisisthebaby_Ishalllookaftertomorrow.Thestudentto_youtalkedjustnowisagoodfootballplayer.Myfamilyclimbedupthehillsonthetopof_wehadapicnicbefore.Hestilllivesintheroom_windowfacestotheeast.,(who/whom/that),whom,which,whose,theroomswindow,5.Hestilllivesintheroom_isinthenorthofthecity.6.Illneverforgetthedays_wespenttogether.7Theboy_motherisdeadwasbroughtupbyhisfather.,which/that,(that/which),whose,theroomisinthenorth,只用that的情况,1.当先行词是不定代词allmuch.little.something.everything.anything.nothing.none.theone时,2.当先行词前面有only.any.few.little.no.all.very等词修饰时,3.当先行词是形容词最高级或它的前面有形容词最高级修饰时,4.当先行词是序数词或它前面有序数词修饰时,5.当先行词既有人又有物时,6.当主句的主语是疑问词who或which时,7.有两个定语从句，其中一个关系代词已用which，另外一个宜用that反之，如果一个用that另一个用which,只用which不用that的情况,引导非限制性定语从句时当关系代词前有介词时Thisisthehouseinheoncelived.先行词是that或those时，引导词用whichThatwhichyoutoldhimaboutiswhatwewanttoknow例句Myfriendshowedmeroundthetown,_wasverykindofhim.A.whichB.thatC.whereD.it解析：Awhich引导非限制性定语从句,which,Underthebigtreeare34students,manyofthemcomefromclasstwo.2.Mymotherhasagoodbook,whichcoverlooksterrible.3.Whoaretheyounggirlswhoarehavingdinnerintherestaurant?,改错:,whom,whose,that,4.Sheisoneofthegirlswhoisveryinterestedinmaths.5.Tomistheonlyoneoftheboyswholikeplayingfootball.6.Whoisthegirlthatyoutalkedtoherjustnow?7.Thereisanoldwoman,thatisholdingastick.,likes,are,who,Proverbs：,1.Allthatglittersisnotgold.发光的并不都是金子。2.Hewholaughslastlaughsbest.谁笑到最后谁笑得