Unit4 Natural Disaster Discovering Useful Structure定语从句课件（共19张）2024-2025学年高中英语人教版（2019）必修第一册.pptx

定语从句之关系代词Unit4DiscoveringUsefulStructures

形容词名词介词短语非谓语动词Sheisabeautifulgirl.Amyisawomanteacher.Ihavesomethingtosay.Theboymakingfaceismyson.Japanisadevelopedcountry.定义：修饰名词或代词，常译为“的”,包括形容词，名词，介词短语，非谓语动词等。什么可以做定语一、什么是定语?

二、什么是定语从句？当用单词或短语无法描述要被修饰的名词时，要用定语从句。定语从句：由关系词引导的，用以修饰名词或者代词的句子。

三、定语从句的结构先行词定语从句关系词关系词的作用：1.引导定语从句2.代替先行词3.在定语从句中充当一个成分Lindaislookingatthephotoswhich/thatMrGuotook.

关系词关系代词whowhomwhosewhichthatwhenwherewhy四、定语从句的关系词关系副词

方法Theoldmanwhomyousawyesterdayisathinker（思想家）.若关系词后只有一个谓语，则从关系词到______结束。若关系词后有两个及以上谓语，则从关系词到第____个谓语动词前结束。先找关系词2句末Thereisagirlwhowantstoseeyou.五、如何划分定语从句？

1.TheteamthatLangPinghadbuiltwasfalling?apart.2.Theplayerwhobecameknownas“AirJordan”changedbasketballwithhis?graceful?movesandjumps.3.Themental?strengththatheshowedmadehimunique.4.TheBoysandGirlsClubwhichhestartedinChicagohasbeenhelpingyoungpeoplesince1996.找出下列句子中先行词，定语从句，关系词及其所做成分。Practice1

六、探究并总结关系代词的用法which的用法1.Thesupplieswhichwereprovidedtothedisasterareawerecollectedfromaroundthecountry.2.Thisisacar(which)Iboughtlastmonth.指代thesupplies,在从句中作主语指代Thecar,在从句中作宾语which在定语从句中作_____或______，先行词是___。作宾语时可_______。主语宾语物省略

that的用法that在定语从句中作____、____，先行词是___或___。作宾语时可_______。1.Tangshanearthquakewasaterribleexperience(that)themothercannotforget.2.Iknowthegirlthatlostherhomeinthedisaster.指代thegirl,在从句中作主语指代experience，在从句中作宾语主语宾语人物省略

1.Twothirdsofthepeoplewholivedthereweredeadorinjured.2.Shewantstofindthegirl(who/whom)shehelpedintheearthquake.指代people，在从句中作主语指代thegirl,在从句中作宾语who和whom的用法who在定语从句中作_____或_____，先行词是_____，不是物。whom在定语从句中_____，先行词是____。指代人且作宾语时，可用who也可以用whom,也就是主格可以代替宾格，但宾格不能代替主格。who和whom作宾语时都可省略。主语宾语人宾语人

若先行词是人且关系代词前有介词，只用whom，也就是介词+whom，且不能省略。2.Mostyoungpeople,mostofwhomwerewell-educated,headedfordistantregionstochasetheirdreams.1.Roseisthepersontowhomyoushouldtalk.

1.Worke