( my brother a teacher ) добавте( is / isn,t/are/ aren,t.)

Question

( my brother a teacher ) добавте( is / isn,t/are/ aren,t.)

Answer 1

My brother is a teacher

My brother isn't  a teacher

Answer 2

My brother ___ a teacher

Можно поставить как is, так и isn't. Зависит от того, что хотим сказать: учитель или нет