Глагол to be
Глагол to be в Present, Past, Future Indefinite имеет следующие формы.
Present Indefinite: am, is, are
I am a student. – Я студент.
She is a student. – Она студентка.
They are students. – Они студенты.
Past Indefinite: was, were
He was a student last year. – Он был студентом в прошлом году.
We were students last year. – Мы были студентами в прошлом году.
Future Indefinite: shall be, will be
I shall be a student next year. – Я буду студентом в следующем году.
В вопросительной форме глагол to be ставится перед подлежащим.
Is he a student? Yes, he is \ No, he is not.
Are they students? Yes, they are \ No, they are not.
Was he a student last year? Yes, he was\ No, he was not.
Were we students last year? Yes, we were \ No, we were not.
В отрицательной форме после глагола to be ставится отрицание not.
I am not a student. He was not a student last year.
He is not a student. We were not students last year.