Final answer:
The student is asking about conjugating the verb 'ser' in the imperfect tense in Spanish.
Step-by-step explanation:
The subject of this question is Spanish. The student is asked to conjugate the verb 'ser' in the imperfect tense. The imperfect tense is used to describe ongoing or habitual actions in the past. To conjugate 'ser' in the imperfect tense, the student should use the appropriate endings depending on the subject. For example, for the subject 'ellos', the correct conjugation would be 'eran'.
Learn more about Conjugating the verb 'ser' in the imperfect tense in Spanish.