16. This verb is in the first person, present tense, plural, active voice. The infinitive form of the verb is "portare".
From Quiz Incredible Latin Quiz
Answer:
Portamus
The answer is "portamus" because "-mus" is the first person plural ending and there are no tense signs. "Porto" is first person, present, singular, active. "Portavimus" is first person, present perfect, plural, active. "Portabit" is third person, future tense, singular, active. The four parts of this verb are "porto, portare, portavi, portatus". "Portamus" means "we carry", and the verb is of the first conjugation.