My set of keys ______ old, but your keys are new.
A. am B. is C. are D. be
My set of keys作主语时谓语动词用单数还是复数?
各位专家老师,恳请帮助,谢谢!
My set of keys ______ old, but your keys are new.
A. am B. is C. are D. be
My set of keys 作主语时谓语动词用单数还是复数?
【答】“set of + 复数名词 ”作主语时,谓语动词的数应该与 set 保持一致,所以,答案应该是 B。
又如:There were two sets of footprints leading to the door. (摘自《韦氏高阶英语词典》)
我与前面两位老师的看法稍有不同:我觉得这道题不是很严谨,我觉得选 is / are 均可,只是选 is 可能更普通。
若将 my set of keys 侧重看作整体,谓语动词用单数;若考虑 my set of keys 中的各个个体,谓语动词用复数(当然,用单数的例子可能更普通)。又如:
This set of tools are very useful. 这套工具很有用。
Each set of genes is unique to the individual. 每一组基因都是各人特有的。
正如刘老师所说,以上用法与“a series of +复数名词”用法相同,即“a series of +复数名词”作主语时,谓语动词也可用单数(侧重看作整体)或复数(侧重其中的个体)。当然,用单数的例子可能更普通。
a series of...的具体相关用法参见:http://ask.yygrammar.com/q-7140.html
My set of keys ______ old, but your keys are new.
A. am B. is C. are D. be
My set of keys作主语时谓语动词用单数还是复数?
【答】把My set 看作中心词,of keys 作定语,谓语动词用单数 is。
此外,a series of + 复数名词,也有同样的用法,谓语动词用单数。例如:
A series of great frustrations awaits them.
一连串的巨大挫折在等待着他们。
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