certamente: Portuguese word forms

Declension of the adjective certo     translation to English certain

Singular Plural
Masculino certo certos
Femenino certa certas
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Portuguese Verb Conjugation and Word Forms Online

PROMT.One helps you quickly check Portuguese word forms online. Enter a verb, noun, or adjective and get a table instantly: for verbs — forms by person, number, tense, mood, and auxiliary verb; for nouns and adjectives — forms by gender and number. Both European and Brazilian Portuguese are supported.

What the Table Shows

The service shows Portuguese verb conjugation, including regular, irregular, and commonly used forms, as well as noun and adjective forms by gender and number. It is useful for learning, translation, and quick grammar checks.

  • Portuguese verb forms ending in -ar, -er, -ir, including irregular patterns.
  • Main tenses and moods: presente, pretérito perfeito, pretérito imperfeito, pretérito mais-que-perfeito, futuro, condicional, indicativo, conjuntivo (subjuntivo), imperativo.
  • Non-finite forms: infinitivo, including infinitivo pessoal, gerúndio, and particípio.
  • Guidance on compound tenses: ter or haver + particípio, as well as correct participle forms such as feito, dito, visto, posto, aberto, escrito.
  • Differences between language variants: in PT-BR, estar + gerúndio is more common, while in PT-PT, estar a + infinitivo is often used.
  • Noun and adjective forms by gender and number, including agreement and common plural patterns.

How to Use It

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FAQ

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Portuguese verb conjugation, as well as noun and adjective forms.

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Yes. PROMT.One shows the main tenses, moods, and non-finite forms and helps you account for differences between European and Brazilian Portuguese.

Is it useful for translation and learning?
Yes. The tables help you quickly check word forms, agreement, plural forms, and use the correct variant in context.

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