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标题: 请教关于谓语单复数的问题~~~~~(标题要长) [打印本页]

作者: ba80403    时间: 2011-7-25 22:31
标题: 请教关于谓语单复数的问题~~~~~(标题要长)
prep上有提到“1.     what引导的名词性从句做主语时,主句谓语动词的单复数情况:
(1)What在从句中做主语,主句谓语由what从句的谓语决定。”
然后举例子说:What are difficult tounderstand are A and B.
那按照理解,应该是后面的are是由前面的are决定的。那么如果前面是is,后面也是要用is吗?也就是说“What is difficult tounderstand is A and B.”是正确的吗?
作者: lzlsnake    时间: 2011-7-25 22:40
没错!但楼主的例句仅仅是 what 在句中做主语的情况,还有 what 做宾语的情况,如:

What I want is A / What I want are A and B

若 what 作主语,则:

What are... are... / What is... is...




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