Георгий6 лет назад
It is a bird. — They are birds.
He is a teacher. — They are teachers.
Plural is formed with the help of –s / -es.
Plural of it and he is they.
Plural of is is are.
We don’t use indefinite article (a,an) in Plural.
Is it a bird?
What is it?
Are they birds?
What are they?
Is he a teacher?
Who is a teacher?
What is he?