I have to write this arcitle to talk with you.请问这句话中talk之前为什么要加“to”?

题目

I have to write this arcitle to talk with you.请问这句话中talk之前为什么要加“to”?

答案

一句话只能有一个作谓语的动词,这句话里就是have to write
talk with you表达的是写这篇文章的目的,表目的的非谓语就是to do,所以要在talk前加to