定语从句讲练
定语从句:在句中作定语的句子,它修饰一个名词或代词,这个被修饰的名词、代词叫做先行词。
一、引导词(关系词):位于从句与先行词之间,起连接作用,同时在从句中充当一定的成分。先行词分两类:1.关系代词who(作主语), whom(作宾语), whose(作定语), which(作主语、宾语), that(作主语、宾语). 2.关系副词when, where, why.
注意:1.如果关系代词在定语从句中作宾语时,引导词可以省略.
eg. The trees (that) we have planted grow well.
2.关系代词作宾语时,可放在介词后。但当关系代词是that时,则不能放在介词后。eg. This is the house in which Lu Xun once lived
= This is the house which Lu Xun once lived in.
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