英语句子学习:定语从句分析

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定语从句可分为限制性定语从句和非限制性定语从句。限制性定语从句对先行词起限定作用,与主句关系紧密,是主句不可缺少的部分,它与主句之间通常不用逗号分隔。而非限制性定语从句与先行词的关系不十分紧密,只是对先行词进行说明、描述或解释,或对整个主句陈述的事实和现象加以概括或补充说明,其前有逗号。对于这类句子,要先借助关系词分清主次部分,由于其起修饰限定作用,在阅读时,可先将其忽略,弄懂主干意思之后,再来对付从句部分。

英语句子学习:定语从句分析

(1)限制性定语从句

l In fact, the way consumers now approach the process of making purchase decisions means that marketing’s impact stems from a broad range of factors beyond conventional paid media.

如今消费者对于作出购买决定这一过程的处理方式,意味着市场营销的影响力来自于传统付费媒介以外的广泛因素。(省略了that的定语从句修饰先行词the way)

注意:在the way,the day,the time,the moment,the instance等之后,关系词that,when,where或“介词 + which”常常省略。

(2)非限制性定语从句

l Now the nation’s top patent court appears completely ready to scale back on business-method patents, which have been controversial ever since they were first authorized 10 years ago.

目前,美国国家最高专利法庭似乎已经做好了充分准备要缩减商业方法专利的数量,而该项专利自十年前首次被授权以来便饱受争议。(关系代词which引导的非限制性定语从句补充说明先行词business-method patents)

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