Leia o relato abaixo para responder à questão. I always found some examples in the past tense from a dictionary or conversational English book. But...

Leia o relato abaixo para responder à questão.

I always found some examples in the past tense from a dictionary or conversational English book. But I don't know why the examples like the following are always in the past tense? Do they mean the actions are in the past? Or something else?

Escolha a alternativa que apresenta um verbo desse relato, que esteja conjugado no passado simples:

mean

like

know

are

found