who后一定用单三吗?比如who are you?who are your parents play with?
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who后一定用单三吗?比如whoareyou?whoareyourparentsplaywith?who后一定用单三吗?比如whoareyou?whoareyourparentsplaywith?wh
who后一定用单三吗?比如who are you?who are your parents play with?
who后一定用单三吗?比如who are you?who are your parents play with?
who后一定用单三吗?比如who are you?who are your parents play with?
不一定.要看主语是什么.如,
Who is the boy?Who does the boy live?
这两个问句均用单数,因为主语是单数第三人称the boy.
Who are you?Who are your parents play with?句子主语是you 和your parents,只能用复数形式.
此外,who 还可引导从句.如：
I don't know the boy who helps us repair the machine.此句中who引导定语从句,指的是the boy,故从句中谓语动词用help的三单现形式.
又如:
I don't know the boys who help us repair the machine.
要看后边。
定语从句要看被修饰的词。