Has been” is used in the present perfect continuous tense whereas he go is Simple past tense which the action happened in the past.
Explanation:
In my family, the men were always working for their wives and children. My grand, grandfather was shoot many times in the WWII and because of that, he got one house and many other privileges.
After that, he decided to start a private business and that is one of the economic growth example in my family. He had his store and after his death, my father was the one who took all the work because my grandfather didn't want it.