改正下面短文中的错误及其原因（10处）

I live in the countryside（countryside农村） and my father is（前后时态要一致） a farmer .
He is now forty-five years old.Because of years of having（介词后加ing） work he looks older（than要用比较级） than his age .
when I was young ,he used to tell me the important of studying（介词后加ing）
Father knows little（few可数 little不可数） about English and another subjects（复数形式） but he usually gives me some（any-some） good advice on how to learn my lessons well（good-well 副词形式）
He is not only kind to me but also very strict to（to 表示对我）me with him taught me .I think my father is the（最高级前加the） best father in the world.