difference between noun, pronoun and propernoun how it is used

Answer 1

Nouns name persons, places, things, or ideas.
Examples of common nouns:
girl, dog, school, street, hamburger, fence, religion

Proper nouns name particular persons, places, things, or ideas.
Examples of proper nouns:
Anne, Fido, Central High School, Main Street, McDonald's, Christianity

Pronouns take the place of nouns.
Examples of pronouns:
he, she, it, you, I, me, us, we,

When MRS. SMITH was our TEACHER, SHE gave US a lot of WORK,