No estás más, es un sustantivo?

David (escribir) una carta a su amiga. escribiste escribió escribí escribó

When describing nouns in english, the noun being described comes second. what is the proper format in spanish? the noun being described comes first followed by the describing noun. the describing noun comes first followed by de (of) and the noun being described. the noun being described comes first and is followed by de (of) and the describing noun. the describing noun comes first followed by the noun being described.

Which verb correctly completes the sentence? diego no seguro de que picasso sea un escultor español. a. es b. sea c. esté d. está