3. поставьте предложения в отрицательную и вопросительную формы he is at the office. they are in the garden now. our english lessons are very interesting. i am at the factory today.

He isn't at the office.
is he at the office?
 They aren't in the garden now.
are they in the garden now?
Our English lessons aren't very interesting
are our English lessons very interesting?
I am not at the factory today
am i at the factory today?

Is he at the office?
He isn't at the ofice.

Are they in the garden now?
The aren't in the garden now.

Are your English lessons interesting?/Are our English lessons interesting?
Our English lessons aren't interesting at all./Our English lessons aren't interesting.

Are you at the factory today?/Am I at the factory today?
I'm not at the factory today.