Поставьте предложения в вопросительной и отрицательной формах 
I(buy) food every day
She often (run)
My dog (play) every evening

I buy food every day.
I don't buy food every day.
Do I buy food every day?

She often runs.
She often doesn't run.
Does she run?

My dog plays every evening.
My dog doesn't play every evening.
Does my dog play every evening?

Do I buy food every day?
I don't buy food every day.

Does she often run?
She doesn't run often.

Does my dog play every evening?
My dog doesn t play every evening.