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2、形容词性从句=定语从句

　　引导词 (1)that/which/who(whom)(代词性)

　　(2)whose/when/where(非代词性)

　　结构 (1)that/which/who(whom)=S+VO=a.

　　This is pig that/which is very fat.

　　(1)that/which/who(whom)=O+SV=a.

　　因为代词性的引导词可以充当主语或宾语

　　This is the pig that/which I ate.(作宾语可省略引)

　　This is the pig from which I make fun.

　　引导词前的介词取决于后面的动词

　　This is the pig,which is very fast

　　This is the pig, (which)I ate.

　　This is the pig, from which I make fun.

　　(2)whose/when/where(非代词性)+SVO=a.

　　The book, whose cover is red, is quite interesting.

　　This is the place where(=in which 定语从句) I grew up. When 用在后面也可能是状从,也有可能是定从。

　　**具体分析举例

　　In his hypothesis that he developed based on it……

　　看上去该句的based 是一个n-ed的形式，但是她又是修饰谁呢?In his hypothesis() he developed that based on it….

　　因此可以看出，based 修饰that，而在此句中，that指代 hypothesis.

延伸阅读：

托福口语几个重点词组精讲

口语高分是如何炼成的：范文——电影

托福口语几个易发错音的单词(1)

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