一个定语从句的主谓一致问题
I，who is your friend，will do my best to help you这里的is用的对么？谢谢
推荐回答（2个）
对的，因为主谓一致，用作主语的名词词组中心词和谓语动词在单、复数形式上的一致，就是语法一致。也就是说，如果名词中心词是单数，动词用单数形式；如果名词中心词是复数，动词用复数形式。例如：
This table is a genuine antique.
Both parties have their own advantages.
Her job has something to do with computers.
She wants to go home.
They are divorcing each other.
Mary was watching herself in the mirror.
The bird built a nest.
Susan comes home every week-end.
对呢，当主语所代指的物不明确其复数还是单数的时候，我们一般用单数。eg:what is in the box.也许盒子里有许多东西，但我们不清楚，所以我们可以用is.希望我的答案让你满意，但是你那后面用的不对，你这个句子 的主语 是who--也就是你的朋友，后面 的my 应该是his.
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