English The Verb "to be"

Positive

I’m 25 years old.
My brother is 22 years old.
Bob and I are neighbors.
Hello, my name is Mary.
My keys are in my bag.
You’re late for work.
It’s 9 am.
We’re happy.

Negative

Tom isn’t a teacher. He’s a lawyer.
Mary isn’t a student. She’s a nurse.
Tom and Mary aren’t teachers.
It isn’t cool today, it’s hot.
They aren’t Canadian. They are American.
We aren’t happy. We are sad.
I’m not Italian. I’m Spanish.
You aren’t early. You are late.