Ty! !!!!!!!!!!!!!!!!!!!!!!!
the answer to this question is serio
Answer:
Creo que los mayores son Aranés, Catalán, Gallego, Euskera y Castellano. Hay más variedades y dialectos (por ejemplo, Valenciano) pero los que te he dado son los oficiales (Que yo sepa).
Answer: It looks like you just need to cut off the last vowel (and consonant if there is one) of the word.
For number one, it's "perezosísimo"
For question 2, it's "aburridísimo"
For question 3, I think you do the same but keep it plural, so "interesantísimos" I would imagine.