I think you just have to know what you doing and do serious resreach before and after each one
Use a comma before any coordinating conjunction (and, but, for, or, nor, so, yet) that links two independent clauses.
I’m in hufflepuff! But was sorted into slytherin a few times. So I guess, slytherpuff.
Dominic Savio was born on April 2, 1842 in the village of Riva in northern Italy. His father was a blacksmith and his mother a seamstress. He had nine brothers and sisters. His family was poor but hardworking. They were devout and pious Catholics.
I hopes that helps
