Choose the right sentence: 2. Has it been raining since morning? / Has it been raining for morning? / Have it been raining since morning?

Перевод задания: Выберите правильное предложение.

Has it been raining since morning? (Дождь идёт с утра?)

С подлежащим it используется has, а since указывает на начальный момент периода.