i get really confused with llana, aguda and esdrujula

Llena los espacios con las formas correctas de los verbos. "i went" would be translated as , and "i was" would be translated as

When could you attach the direct object pronoun to an infinitive verb? a: when an infinitive verb follows a conjugated verb. b: when an infinitive verb ends in a question. c: when a stem-changing verb ends in a question. d: when a stem-changing verb follows a conjugated verb.

La administración no tenga ninguna idea para eliminar la corrupción. a. es necesario que b. es una vergüenza que c. es esencial que d. es importante que