Use he when talking about a single male
Use she when talking about a single female
Use it when talking about a single noun that isn't a person
Use we when talking about yourself and one or more other person
Use they when talking about multiple people, items, or animals
I'll do the first column for you, but my explanation should help you be able to complete the rest on you own.
cat and horse....they
Jack and I...we
You and Dave...they
cheese...it
Pamela...she
geese...they
school...it
children...they
bicycle...it
son...he
shop...it
Mr. Green...he
friendship...it
Hope this helped!
