Necesitan. Mis maestros indicates a plural form of female nouns, meaning the conjugation must end with -an.
Translation to English: Pass the possessors of the sentences down to the plural
1. Hayan recibido
2. Vi
3. Haya habido
4. Se agotaron
5. An estado
6. Se recuperen
Its spelled like this
Yo iba todos los dias al gimnasio para ser un mejor atleta.
I would to the gym every day to the gym to be a better athlete
