demonstram

Demonstram is a Portuguese verb form, specifically the third-person plural present indicative of demonstrar. It is used with subjects such as eles, elas, or vocês to mean “they demonstrate” or, in Brazilian Portuguese, “you (all) demonstrate.” The form can appear in everyday speech, in writing, and in formal or instructional contexts when describing people showing or proving something.

The verb demonstrar comes from Latin demonstrare, meaning to point out, show, or prove. The Latin root combines monstrare (to show) with a prefix that contributes to a demonstrative sense, and it entered Portuguese as demonstrar with regular -ar conjugation patterns. In modern Portuguese, demonstrar is used broadly to mean showing evidence, illustrating a point, or proving a result, including in mathematical or logical contexts where a demonstration or proof is required.

Grammatically, demonstram is the present indicative form used with plural third-person subjects. Other present-tense forms include eu demonstro, tu demontras, ele demonstra, nós demonstramos, and vós demonstráis (the latter form is uncommon in contemporary Brazilian Portuguese). The corresponding past and future forms follow regular -ar verb patterns, and the verb can also appear in subjunctive and imperative moods with appropriate endings.

Examples: “Os cientistas demonstram que a vacina é eficaz.” “Elas demonstram interesse no projeto.” “Vocês demonstram boa compreensão do tema.” In mathematics, one might say “Este teorema é demonstrado neste capítulo,” using demonstrar in a related nominal or verbal construction.

See also: demonstrar, demonstração, demonstração matemática, provas.