when is your birthday?Where are you from?请问在问句的your之前,什么时候用i

问题描述:

when is your birthday?Where are you from?请问在问句的your之前,什么时候用is 什么时候用are?
1个回答 分类:英语 2014-10-06

问题解答:

我来补答
关键是看后面的主语,your birthday 是单数,所以用is,如果后面是复数,例如our birthdays,那么就要用复数are,即when are our bithdays?
第二句中因为主语是you,是第二人称,固定的是are.第一句中your是形容词性物主代词,修饰核心名词birthday.
 
 
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