If it has a correct gender specific noun. If its singular or plural. Irregular verbs. The fact there is two different verbs. Past tense or current. Verb of change. Spanish prepositions. Direct and indirect pronouns. The word gustar.
¿Cómo eres? means what are you like
Soy means I am
Es is for other reasons and está is for location
Recibi is the answer, dont forget tilde over final i
