Portuguese Phrase
As aulas de HIIT costumam durar uns 45 minutos.
Meaning
This phrase describes the typical duration of High-Intensity Interval Training (HIIT) classes. It's a straightforward statement about a common schedule for these types of workouts. 'Costumam' indicates a usual or customary action.
When to use
Use this phrase when discussing fitness class schedules, explaining what to expect from a HIIT class, or comparing the length of different types of workouts. It's suitable for casual conversations about exercise and gym routines.
✦Grammar Breakdown
As aulasde HIITcostumamduraruns45 minutos
As aulas
'As' is the feminine plural definite article, meaning 'the'. 'Aulas' means 'classes' or 'lessons'. Together, 'As aulas' means 'The classes'.
de HIIT
'De' is a preposition meaning 'of' or 'from'. Here, it indicates the type of classes: 'classes of HIIT'.
costumam
This is the third-person plural of the verb 'costumar', meaning 'to usually do' or 'to be accustomed to'. It indicates a habitual action.
durar
This is the infinitive verb 'to last'. It follows 'costumam' to form the common construction 'costumar + infinitive' (to usually do something).
uns
'Uns' is the masculine plural indefinite article, meaning 'some' or 'a few'. When used with numbers, it often translates to 'about' or 'approximately', indicating an estimation.
45 minutos
'Minutos' means 'minutes'. The number '45' (quarenta e cinco) specifies the quantity. This phrase indicates the duration.
🗨In Conversation
Que horas começa a aula de HIIT?
What time does the HIIT class start?
Começa às 18h. As aulas de HIIT costumam durar uns 45 minutos.
It starts at 6 PM. HIIT classes usually last about 45 minutes.
✕Common Mistakes
As aulas de HIIT são durar uns 45 minutos.
Using 'ser' (são) with 'durar' is incorrect. 'Durar' is an action verb, so 'costumam durar' (usually last) or 'duram' (last) should be used.
As aulas de HIIT costumam durar cerca de 45 minutos.
While 'cerca de' is not strictly wrong, 'uns' is more natural and common in Brazilian Portuguese for 'about' or 'around' when referring to quantities or time.
↔Alternatives
As aulas de HIIT geralmente duram 45 minutos.
HIIT classes generally last 45 minutes.
Normalmente, as aulas de HIIT têm 45 minutos de duração.
Normally, HIIT classes are 45 minutes long.
Cultural Tip
In Brazil, fitness culture is quite strong, and HIIT classes are very popular. Gyms often have fixed schedules for group classes, and knowing the duration is important for planning. 'Uns' is a very common and natural way to express 'about' or 'approximately' in spoken Brazilian Portuguese, especially with numbers.

