Who / whoever, what / whatever等的用法区别
一般说来,what/who等含特指意义,而whatever/whoever等含泛指意义,意为无论什么/无论谁。
It is generally considered unwise to give a child ____ he or she wants.
A. however B. whatever C. whichever D. whenever
解析:答案是B,whatever引导一个宾语从句,并且作wants的宾语。这里的 whatever不能改成what,因为题意想表达的显然是无论孩子要什么就给他/她什么事不明智的,具有泛指的概念。同时要注意,这里 whatever也不能改用no matter what,因为后者只能引导状语从句。比较下例:
I cant remember at the moment who has said the words. (这里的who表特定的某人)
Where, when, why等连接副词引导的名词性从句
Where, when, why等连接副词也可以引导名词性从句,使用的关键是:这个词必须符合句子的逻辑要求。
-I drove to Zhuhai for the air show last week.
-Is that ____ you had a few days off?
A. why B. when C. that D. where
解析:答案是A,why引导的从句作表语,同时why在从句中作原因状语。这里之所以选why,而不是when或 where等,唯一的依据便是句子的逻辑含义,及语境。
介词+who(m)引导的宾语从句与介词+ whom引导的定语从句的区别
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