Present

• refuto
• refutas
• refuta
• refutamos
• refutais
• refutam

Imperfect

• refutava
• refutavas
• refutava
• refutávamos
• refutáveis
• refutavam

Preterite

• refutei
• refutaste
• refutaou
• refutámos/amos
• refutastes
• refutaram

Pluperfect

• refutara
• refutaras
• refutara
• refutáramos
• refutáreis
• refutaram

Future

• refutarei
• refutarás
• refutará
• refutaremos
• refutareis
• refutarão

Conditional

• refutaria
• refutarias
• refutaria
• refutaríamos
• refutaríeis
• refutariam

Present

• refute
• refutes
• refute
• refutemos
• refuteis
• refutem

Imperfect

• refutasse
• refutasses
• refutasse
• refutássemos
• refutásseis
• refutassem

Future

• refutar
• refutares
• refutar
• refutarmos
• refutardes
• refutarem

• refuta
• refute
• refutemos
• refutai
• refutem