TO BE (positive)
He / happy.
He is happy.
Yana/a nurse? Yes, ...
Is Yana a nurse? Yes, she is
*NEGATIVE*
Karina / eighteen.
Karina isn't eighteen.
.............. old / you?
How old are you?
They / friends.
They are friends.
your mom/ a police officer? No, ...
Is your mom a police officer? No, she isn't
*NEGATIVE*
My name /Alan.
My name isn't Alan.
............/ your name?
What's your name?
Karina and Ann / students.
Karina and Ann are students.
you / Polish? No, ...
Are you Polish? No, I'm not
*NEGATIVE*
It / my cousin.
It isn't my cousin.
............ / you from?
Where are you from?
This pencil case / new.
This pencil case is new.
it /your dog? Yes, ...
Is it your dog? Yes, it is.
*NEGATIVE*
I / English.
I'm not English.
............ / your son?
How old is your son?
Mary and I / at school.
Mary and I are at school.
I / from Great Britain? Yes, ...
Am I from Great Britain? Yes, you are.
*NEGATIVE*
Yana and I / doctors.
Yana and I aren't doctors.
............... / your birthday?
When is your birthday?