一、where引导定语从句时, where是关系副词, 在从句中作地点状语, 其前面有表示地点的先行词, where引导的从句修饰先行词。例如:
The bookshop where I bought this book is not far from here. 我买这本书的那个书店离这里不远。
This is the house where I lived two years ago. 这就是我两年前住的那个房子。
We will start at the point where we left off. 我们将从上次停下来的地方开始。
二、where引导状语从句时, where是从属连词, where引导的从句修饰主句的谓语动词, where前面没有表示地点的先行词。例如:
Wuhan lies where the Changjiang River and the Han Jiang River meet. 武汉位于长江和汉江汇合处。
Make a mark where you have any doubts or questions. 在有疑问的地方做一个记号。
I found my books where I had left them. 我在我原来放书的地方找到了我的书。
有时, where引导的地点状语从句兼有抽象条件含义, 可放在主句的前面, 而where引导的定语从句则不能。例如:
Where there is a will, there is a way. 〔谚语〕有志者事竟成。
Where there is water, there is life. 有水的地方就有生命。
三、在有些情况下, where引导的定语从句可转换为where引导的地点状语从句。例如:
A tall building was put up at the place where there used to be a desert. (=A tall building was put up where there used to be a desert. )在以前曾是沙漠的地方盖起了一幢高楼。
Bam boo grows best in places where it is warm and where it rains often. (=Bamboo grows best where it is warm and where it rains often. )温暖而多雨的地方最适合于竹子生长。
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