先行词是定语从句的引导词前面的被定语从句所修饰的名词、代词.在定语从句中充当一定的成分.可以简单的理解为which,taht这些关系代词前面的词语
Guangzhou is a famous and beautiful city which is visited by a lot of people every year. 先行词:city
I don‘t know the reason why he failed in the test.先行词:reason
We all remember the day when we became students of Kuang middle school 先行词:when
Guangdong is a place with lots of cultural legacies which are well protected. 先行词:place
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我承认我刚才对先行词的理解有误,而且第三句写错了.可是你也不需要直接把我写的句子抄下来吧当成你的回答,起码自己写四句吧.@krukshanks为什么第一句用which,讲简单点我也不喜欢别人一堆大话讲给我听,我把我自己的理解方法说给你:这里的关系代词需要指代广东这个地方,而which就是指代物的,visit 后面不加介词所以用which你是想知道为什么不用where是吧这句话里,后半句可以改为陈述句:A lot of people visited Guangdong every yearvisit后面是直接加广东,所以不需要用where而需要用where的句子是这样的:Guangdong is a place where we stay for 20 years 这句话改为陈述句是we stayed in Guangdong for 20 years,而句子里省略了in这里广东前面应该加个介词in,所以不用which 用where或者in which所以:判断whcih 和where的依据可以是:先把句子改为陈述句。然后看指代的名词前面是否省略了介词(at,in, on)什么的,如果省略了,用where,如果没省略,即不加介词也可以,则用which就是说:从句如果省略了介词就用where或者in/for/on which等,没有省略就加which这样想对吧??恩,对的,我就是这个意思。