Final answer:
In line 21, the word "consumet" is written in the accusative case. The accusative case is used to show the direct object of a verb.
Step-by-step explanation:
In line 21, the word "consumet" is written in the accusative case.
The accusative case is used to show the direct object of a verb. In this case, "consumet" is the verb and it is acting upon something or someone. The accusative case indicates the noun or pronoun that is receiving the action of the verb.
For example, in the sentence "He eats an apple," the word "apple" is in the accusative case because it is the direct object of the verb "eats."