1) Afirmative Sentences:
✔ We use "was" when the subject is a singular noun or the pronouns "I", "He", "She" or "It".
✔ "Were" is used when the subject is a plural noun or the pronouns "We", "You" or "They".

PRONOUN | TO BE | EXAMPLE
I | was | I was in London last month.
You | were | You were very tired
He | was | He was a teacher
She | was | She was a student
It | was | It was a sunny day
We | were | We were at home
You | were | You were on holiday
They | were | They were happy

Singular Noun | My aunt was from England
Plural Noun | Tom and Sarah were married

A

L

C