"My father is a farmer" 可以用英语表达。
"My father" 是 "我的父亲" 的意思，是主语。
"is" 是动词，表示现在时。
"a farmer" 是定语，表示父亲的职业。
例句：
My father is a farmer. He grows wheat and corn on our farm.
(我父亲是一位农民，他在我们的农场种植小麦和玉米)
I grew up on a farm with my parents. My father is a farmer and my mother is a teacher.
(我在农场长大，我父亲是农民，我母亲是教师)
My father is a farmer. He works hard every day to provide for our family.
(我父亲是一位农民，他每天努力工作来养家)