2011-2012 学年高一英语必修 1（冀教版）素材（含教案和练习）Unit 2 Friendship （2）一. 教学内容：Unit 2 Friendship（II）二. 语法讲解I. 定语从句在复合句中修饰名词或代词的从句叫定语从句（Attributive Clauses）。被修饰的名词或代词叫先行词。定语从句由关系代词和关系副词引出。关系代词和关系副词在定语从句中担任句子成分。关系代词有：who, whom, whose, that, which关系副词有：when, where, why （1）关系代词引导的定语从句关系代词所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、定语等成分。关系代词在定语从句中作主语时，从句谓语动词的人称和数要和先行词保持一致。①who, whom, that这些词代替的先行词是人的名词或代词，在从句中所起作用如下：Is he the man who/that wants to see you?他就是你想见的人吗？（who/that 在从句中作主语）He is the man whom/ that I saw yesterday.他就是我昨天见的那个人。（whom/that 在从句中作宾语）②whose 用来指人或物，（只用作定语, 若指物，它还可以同 of which 互换）。例如：They rushed over to help the man whose car had broken down. 那人车坏了，大家都跑过去帮忙。 Please pass me the book whose (of which) the cover is green. 请递给我那本绿皮的书。③which, that它们所代替的先行词是事物的名词或代词，在从句中可作主语、宾语等。例如：A prosperity which / that had never been seen before appears in the countryside. 农村出现了前所未有的繁荣。（which / that 在句中作宾语） The package (which / that) you are carrying is about to come unwrapped. 你拿的包快散了。(which / that 在句中作宾语) （2）关系副词引导的定语从句关系副词可代替的先行词是时间、地点或理由的名词，在从句中作状语。①when, where, why关系副词 when, where, why 的含义相当于“介词+ which”结构，因此常常和“介词+which”结构交替使用。例如：There are occasions when (on which) one must yield. 任何人都有不得不屈服的时候。Beijing is the place where (in which) I was born. 北京是我的出生地。Is this the reason why (for which) he refused our offer?这就是他拒绝我们帮助他的理由吗？注意...
