My brother playing with his toys now.这个句子错在哪里为什么错?

问题描述:

My brother playing with his toys now.这个句子错在哪里为什么错?

playing 改为 is playing

进行时。应该是 be doing something with somebody.

缺少谓语is,应该是

My brother is playing with his toys now

My brother (is) playing with his toys now.
缺少系动词

这句话没有动词
改成
My brother 【is】 playing with his toys now.

正在进行,少了is,My brother is playing with his toys now.