Question

Написать 3 предложения с глаголом "to be" и поставить их в отрицательную и вопросительную формы Помогите Плиз

Answer 1

He is our teacher
He is not our teacher
Is he our teacher?
I'm happy
I'm not happy
Am I happy?
The book is interesting
The book is not interesting
Is the book interesting?