The stag was being trailed by the tigress.
The stag was being trailed by the tigress.
The stag was trailing by the tigress.
The stag was trailing by the tigress.
The stag was trailed by the tigress.
The stag was trailed by the tigress.
The stag had been trailed by the tigress.
The stag had been trailed by the tigress.
Correct Answer:
The stag was being trailed by the tigress.
The stag was being trailed by the tigress.