Question

A frase a seguir está no present perfect continuous,porém há um erro,marque a alternativa que a frase está correta.They has been waiting for so long. *

-They had been waiting for so long.
-They have been waiting for so long.
-They hadn't been waiting for so long.
-They hasn't been waiting for so long.

Answer 1

Resposta: A credito que seja a segunda  

-They have been waiting for so long.

Porque Os verbos had hadn't e hasn't não esão adequados para a frase. Espero te ajudado!