Вставьте нужную по смыслу форму глагола to be: we … students last year. you …a teacher now. he…a doctor in two years. it…a cat.

We WERE  students last year.
You ARE a teacher now.
He WILL BE a doctor in two years.
It IS a cat.

We were students last year.(Past Simple-1е лицо мн.ч)
You are a teacher now.(Present Simple-2е лицо мн.ч)
He will be  a doctor in two years.(Future Simple)
It is a cat.(Present Simlpe-3е лицо ед.ч)