同位语从句复习_九年级英语教案

    一、同位语从句的位置与定语从句的比较:
    1、同位语从句与定语从句一样,都是用在名词后面。所不的就是:定语从句是修饰限制它前面的名词,因此,它是属于形容词从句。而同位语从句属于名词性从句,它是用来说明它前面的名词内容的,或者说是解释前面名词的内容。
    2、同位语从句只用that作为开头(i have no idea除外),属于连词,在从句中不起成分作用,但不可省略。而定语从句是以关系代词、关系副词开头,它们在从句中起句子成分作用(作主语、宾语、表语、定语或状语),作宾语时可以省略。
    3、只有在内容方面可以进一步阐明的名词(一般为抽象名词)才能带同位语从句,而几乎任何名词都可以带定语从句。
    比较:
    (1)the suggestion (that) she has given at the meeting is good.
    (2)the suggestion that she should stay in the room is good.
    (1)句中that she has given at the meeting这个从句说明了是她提出的建议,不是别人的建议,也就是限定了the suggestion的范围,但并没有说明建议的内容。从结构上分析,that是give的宾语,所以这个从句是定语从句。
    (2)句的that she should stay in the room这个从句说明了建议的内容,同时,that只起连词作用,在从句中既不是主语,也不是宾语,但不能省略,所以它是同位语从句。
    二、同位语从句前常用的名词:
    同位语从句说明的名词常见的有:ability, advice, answer,belief, doubt, discovery, fact, fear, hope, idea, information, message,news, order, possibility, problem, proposal, question, story, suggestion, theory, thought, word(消息)等。而不可说明的名词是不会接同位语从句的。比如:man, water, sun等具体的人或事物。例如:
    there is no doubt that the prices of cars will go down.
    the belief that the company will make a great is shared by everyone.
    三、where, when, why, how, who, what等在引导同位语从句时,一般只用于i have no idea结构中,其实,这种类型的同位语从句应该列入宾语从句的范畴,因为i have no idea意思就是i don't know...
    如:i have no idea where i should go.
    i have no idea how i can get to the railway station.
    四、有时候主句的谓语比较短,同位语从句比较长,这个从句就不一定紧接在它所说明的名词后面。如:
    word(消息) came that our chinese women team had beaten japanese.