Допоміжні дієслова: have\has (форми дієслова to have) + been (форма дієслова to be)

Головне дієслово: Ving

Позитивне: Суб'єкт + have/has + been + Ving + ...

I have been walking the dog.She has been studying math.

Негативне: Суб'єкт + have/has + not + been + Ving + ...

I haven't been walking the dog.She hasn't been studying math.

Запитання: Have\has + subject + been+ Ving + ... ?

Have you been walking the dog?Has she been studying math?

Відкрите запитання: Запитальна частина + have/has + subject + been + Ving + ... ?

Where have you been walking the dog?Why has she been studying math?