unit4 earthquakes第3学时 ppt 英语 必修―.ppt

科目一考试网 / 科目一模拟考试2016科目四考试网 / 科目四模拟考试驾校一点通365网 / 驾校一点通2016科目一 科目四驾驶员理论考试网 / 2016科目一考试 科目四考试 Unit 3　Travel journal　　　　　　　　　　 　　　　　 第四学时　Grammar 定语从句(1) 一、定语从句 在复合句中，修饰某一名词或代词，或修饰整个主句的从句叫做定语从句。它的作用相当于形容词。被定语从句修饰的名词或代词叫做先行词，引导定语从句的词叫做关系词，有关系代词who，whom，whose，which，that，as和关系副词when，where，why。关系词既联系定语从句和它的先行词，同时又充当定语从句中的一个成分(主语、宾语、介词宾语、定语、状语或表语)。 二、that，which，who，whose, 引导定语从句 (1)The passengers that were injured were sent to the nearest hospita .(主语) (2)The doctor (that)we sent for arrived very soon.(宾语) (3)Kate is no longer the girl (that)she was.(表语) 指人 (1)A letter that is written in pencil is difficult to read.(主语) (2)The trees(that)we planted grow well.(宾语) (3)Hong Kong is not the city (that)it used to be.(表语) 指物 主语，宾语，表语 (作宾语和表语时可省略) that 例句 指代 在从句中所作的成分 关系代词 (1)A friend who helps you in time of need is a real friend.(主语) (2)The boy (who )you saw sleeping in class is named Li Ming.(宾语) (3)I know the boy (who )you talked to just now.(介宾) 指人 主语，宾语(介词不前置时可作介宾)(作宾语时可省略) who (1)People will never forget the accident which happened here last year.(主语) (2)The letter(which)I received yesterday was from my sister.( 宾语) 指物 主语、宾语(作宾语时可省略) which At last we chose a room whose window faced south.(定语) 指物 The girl whose work got the prize is the youngest in the class.(定语) 指人 定语 whose 三、关系代词的选用 1.指物时必须用that而不用which的情况： (1)先行词是all，everything，anything，nothing，something，much，little，few，none，the one等不定代词时。 We should hand in all that, we have. (2)先行词前面有all，every，no，some，any，little，much，few，none，the only，the very，the same，the last以及序数词、形容词最高级等修饰词时。 金手指驾校 / 金手指驾驶员考试2016 金手指驾校 /km1/ 金手指驾驶员考试2016科目一 金手指驾校 /km4/ 金手指驾驶员考试2016科目四 金手指驾校 /km1/mnks/ 金手指驾驶员科目一模拟考试 金手指驾考 /km4/mnks/ 金手指驾驶员科目四模拟考试 This is the only, thing that, we can do. Its the best, film that ,has been made on the subject. (3)先行词是两个或两个以上分别表示人和物的并列名词或词组时。 We talked about the things and persons that, we saw and met during the trip. (4)先行词是主句的表语时。 Tom is no longer the boy that, he used to be. (5)主句以there be开头时。 There is,