TO BE (positive)
He / happy.
He is happy.
I / from Great Britain
I am from Great Britain
Karina / eighteen.
Karina is eighteen.
Mary and I / at school.
Mary and I are at school.
you / Polish
You are Polish
Yana and I / doctors.
Yana and I are doctors.
They / friends.
They are friends.
your mom/ a police officer
Your mom is a police officer
My name /Alan.
My name is Alan.
This pencil case / new.
This pencil case is new.
it /your dog
It is your dog
We / English.
We are English
Karina and Ann / students.
Karina and Ann are students.
It / cold / today
It is cold today
He / my brother.
He is my brother.