Make the phrase plural, not just one word
In standard written agreement, the noun and its article both mark plural number. The noun keeps its gender: masculine o copo becomes os copos; feminine a cadeira becomes as cadeiras. With a plural subject, the verb may need to change as well.
As cadeiras são novas.
The chairs are new.
Learn the useful changing pairs
Final -m commonly becomes -ns, while nouns in -r or -z commonly add -es. Stressed -el can become -éis. Words in -ão do not all have the same plural: compare mãos, pães and corações. Record the actual plural with a new noun.
Os homens são professores.
The men are teachers.
Some does not specify an exact count
The indefinite plural articles uns and umas introduce an unspecified group. They still agree in gender. Bare plural nouns are also possible in Portuguese; choose an article according to the meaning, rather than adding one mechanically to every plural.
Uns copos são pequenos.
Some glasses are small.
Practise, then recall it later
The matching grammar block includes guided practice, a separate mastery check and spaced review. The first 10 blocks of each course are free; other available blocks require course access or an eligible trial.
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References and scope
Original explanations and examples informed by grammar references. The level assignment organizes practice; these short tasks do not certify complete CEFR proficiency.
- Português para principiantes — Lição 1University of Wisconsin–Madison
- Português para principiantes — Third Preliminary LessonUniversity of Wisconsin–Madison