the boy with his friends are watching TV now 改错

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the boy with his friends are watching TV now 改错

The boy with his friends is watching TV now.
"The boy"是句子的主语,单数,谓语的时态要跟主语一致,就得用"is"."with his friends"只是作为主语的修饰语而已.

用with连接两个人名时,主语只是前面一个。而若是and连接,则主语是前后两个,所以相对应的谓语动词有时要用不同形式

are ------------is