My mother 是主语,is a worker 是谓语 没有定语诶...
定语是用来修饰名词的勒
Eg.My mother is a hard-working worker.
（hard-working 是定语）
=My mother is a worker who work hard
I have a man to talk with i主语,have a man谓语,to引导的不定式做宾语
常有主+谓（+宾）
主+系+表
两种结构
不懂再问吧