I go out with my gun almost every day to kill animals and birds for food. 这句话中的 go out 为什么不用过去式 ?

I go out with my gun almost every day to kill animals and birds for food. 这句话中的 go out 为什么不用过去式 ?
原文 第一段 .
When I first arrived on this island, I had nothing.
But I’ve found the ship and made a small boat.
I’ve brought back many things I can use---food and drinks, tools, knives and guns.
Although I have lost everything, I have not lost my life.
So I will not give up and I will wait for another ship.
I have already cut down trees and built a house
I go out with my gun almost every day to kill animals and birds for food
I’m even learning to grow fruit and vegetables.