Vocabulary sheet for Spanish speaking students. Pictures of adjectives of opinion with the pronunciation in Spanish for students to read out loud, obtaining the correct pronunciation, making it easier to remember.
As always, repetition is key for learning a language.
I usually have my students get up and point at or pick up objects around the classroom, and have them give their opinion in full sentences. This helps by using several senses for them to make more lasting memories of the new vocabulary and access them more easily.