陈伯平公开课课件.ppt

定语从句的特点:用来修饰或限定一个名 词,并放在名词之后. 引导定语从句的关系代词和关系副词的作用: 1 引导定语从句,起引导词作用. 2 代替被修饰词. 3 在从句中充当句子成分: 关系代词 that,which,who 在从句中作主语\宾语; whom作宾语; whose作定语. 关系副词 where,when,why 在句中作地点状语，时间状语，原因状语. 定语从句的种类:限定性定语从句和非限制性定语从句。 限定性定语从句:对先行词起修饰和限定作用,是不可缺少的成分,没有了附加信息,我们就不知道谈论的是谁或是什么事,在这样的从句中不使用逗号. 非限制性定语从句:非限制性定语从句中的附加信息可以省去,没有了附加信息,我们仍能知道清楚谈论的是谁,什么事,这样的从句使用逗号. ? Mrs. Clark is angry with the goat.  The goat is eating her flowers. (1) The scientist is very famous in the world.  We met her yesterday. (5)当先行词为人和物的名词词组时。 They talked of persons and things (that) they remember in the school. (6)当先行词指物,在句中作表语。 This is the book that you borrowed . (7)主语前有 who,whom时 (8)在 there be或 there live 结构中，先行词指物时 There is a book on the desk that I am interested in. (9)在 way 方法后,常用 that 代替 how,in which结构 That was the way (that) he did it. (10) time 表示次数，前有序数词修饰时。 (11)先行词前有 the same 修饰时或当先行词和关系代词指同一个人或物时。 This is the same man that/ who I told you. (12)当疑问词 who,which,what 开头的疑问句为避免重复用 that. 只用which不用that的情况 (1)引导非限制性定语从句时。 (2)当关系词前有介词时 The room in which my family live . (3)当先行词本身为 that 时. That which you told him about is what we want to know. why指原因，引导定语从句 He can’t give the reason why he likes watching Tv. way后面的的定语从句有三种情况: 在比较正式问题中用 in which 一般情况用 that In which 和that都可省略 one of +复数名词中,关系代词引导的从句中的谓语动词用复数,但如果one前有only,exactly等修饰one时,谓语动词用单数。 Eg: This is one of the most interesting questions that have been asked. This is the only one of questions that has been asked. 表示人的关系代词 who在口语中可代替 whom,但关系代词前有介词时, 只能用 whom，但如果把介词放在句尾，两者都可以用。 Eg:Here is the girl who/whom we have been looking for. Here is the girl for whom we have been looking . 关系代词 as引导的定语从句 A, as引导的定语从句可指人也可指物，常与 the same，such， so等连用，在句中作主语，宾语，表语等。 Eg: Such people as you