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.
Answer:
I hope this helps
Explanation:
(Say hello and tell them your name. Ask your partner your name.)E
(Saluda y diles tu nombre. Pregúntale a tu pareja tu nombre.)S
(Say hello back and tell them your name. Ask them how they are doing.
(Saluda y diles tu nombre. Pregúnteles cómo les está yendo.
(Tell them how you are doing and say thank you and "and you?"
(Dígales cómo está y diga gracias y "¿y usted?")
(Say "you too" and see you later
(Di "tú también" y nos vemos luego
(Say see you tomorrow!
(¡Di hasta mañana!