Portuguese Phrase
Minhas aulas são interessantes.
Meaning
The sentence means “My classes are interesting.” It expresses a lasting opinion about the quality of the speaker’s lessons, using the verb ser to describe a characteristic that is seen as inherent to the classes.
When to use
Use this phrase when you want to comment on the content or style of your school, university, or online lessons, especially when you want to highlight that they capture your attention or are intellectually stimulating.
✦Grammar Breakdown
Minhasaulassãointeressantes
Possessive adjective
"Minhas" agrees in gender (feminine) and number (plural) with the noun it modifies.
Plural feminine noun
"aulas" is the plural form of "aula" (class/lesson) and is feminine.
Verb ser (present)
"são" is the third‑person plural present of "ser", used for permanent or defining characteristics.
Adjective agreement
"interessantes" is the plural form of "interessante" and must match the gender and number of "aulas".
🗨In Conversation
Minhas aulas são interessantes.
My classes are interesting.
Que bom! O que você mais gosta nelas?
That's great! What do you like most about them?
✕Common Mistakes
Minhas aulas estão interessantes.
Use "são" (ser) for permanent qualities; "estão" (estar) would imply a temporary state.
Minhas aulas é interessante.
The adjective must agree in number with the plural noun "aulas".
Meu aulas são interessantes.
If the speaker is female, "Minhas" is correct; a male speaker would still use "Minhas" because it agrees with the noun, not the speaker’s gender.
↔Alternatives
Minhas aulas são divertidas.
My classes are fun.
Acho que minhas aulas são interessantes.
I think my classes are interesting.
Minhas aulas são muito interessantes.
My classes are very interesting.
Cultural Tip
In Brazil, "aulas" can refer to any type of lesson—school subjects, university lectures, language courses, or even private tutoring. Saying they are "interessantes" signals that you value the intellectual content, not just the entertainment factor. In more formal settings you might prefer "as minhas aulas são enriquecedoras" to sound more academic.