Portuguese Phrase
Algumas aulas têm que ser reservadas com antecedência.
Meaning
The sentence states that certain classes need to be booked ahead of time. It emphasizes the necessity of planning and securing a spot before the class starts.
When to use
Use this phrase when talking about courses, workshops, or fitness classes that require a prior reservation, especially in formal or informational contexts such as emails, brochures, or announcements.
✦Grammar Breakdown
Algumasaulastêmqueserreservadascomantecedência
Algumas (adjetivo indefinido)
Used before a plural noun to mean 'some'. It agrees in gender and number with the noun it modifies.
têm (verbo ter, 3ª pessoa do plural)
The verb 'ter' in present indicative, third person plural, matches the plural subject 'aulas'.
que + infinitivo
The construction 'tem que + infinitivo' expresses obligation, similar to 'has to'.
ser reservadas (voz passiva)
Passive voice with the infinitive 'ser' + past participle 'reservadas', which agrees with the plural noun.
com antecedência (locução adverbial)
Means 'in advance' or 'ahead of time', indicating when the reservation must be made.
🗨In Conversation
Quais aulas eu posso escolher para o próximo semestre?
Which classes can I choose for the next semester?
Algumas aulas têm que ser reservadas com antecedência, como a de fotografia.
Some classes have to be booked in advance, like the photography one.
✕Common Mistakes
Algumas aulas tem que ser reservadas com antecedência.
The subject 'aulas' is plural, so the verb must be 'têm' with a tilde.
Algumas aulas têm que ser reservado com antecedência.
The past participle must agree with the plural noun, becoming 'reservadas'.
Algumas aulas têm que ser reservadas com antecedencia.
Do not omit the accent; 'antecedência' is spelled with a cedilla and accent.
↔Alternatives
Algumas aulas precisam ser reservadas com antecedência.
Some classes need to be booked in advance.
É necessário reservar algumas aulas com antecedência.
It is necessary to reserve some classes in advance.
Algumas aulas devem ser agendadas previamente.
Some classes should be scheduled beforehand.
Cultural Tip
In Brazil many popular activities—like yoga, dance workshops, or university elective courses—require reservations because spaces fill up quickly. It’s common to receive a confirmation email or a printed ticket. When speaking, using the polite form 'por favor' before asking about reservations shows respect.