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Spanish · Verb · #540 most common

dudar

to doubt
to hesitate

Regular-ar ending

In the tables below, the stem is shown in black and the ending in purple.

1.

Presente

Habitual actions, general truths, and what's happening now.

yodudo
dudas
él/elladuda
nosotrosdudamos
vosotrosdudáis
ellos/ellasdudan

Yo dudo que él venga a la fiesta.

I doubt that he will come to the party.

Ella duda de sus habilidades para el examen.

She doubts her skills for the exam.

2.

Pretérito Indefinido

Completed actions at a specific point in the past.

yodudé
dudaste
él/elladudó
nosotrosdudamos
vosotrosdudasteis
ellos/ellasdudaron

Ayer dudé de la decisión que tomé.

Yesterday I doubted the decision I made.

Él dudó de la sinceridad de sus palabras.

He doubted the sincerity of her words.

3.

Imperfecto

Ongoing or repeated actions in the past, descriptions, and background context.

yodudaba
dudabas
él/elladudaba
nosotrosdudábamos
vosotrosdudabais
ellos/ellasdudaban

Cuando era niño, siempre dudaba de los cuentos de hadas.

When I was a child, I always doubted fairy tales.

Ella dudaba de que pudiera hacerlo.

She doubted that I could do it.

4.

Futuro Simple

Future actions, predictions, and speculation about the present.

yodudaré
dudarás
él/elladudará
nosotrosdudaremos
vosotrosdudaréis
ellos/ellasdudarán

Mañana dudaré de mi elección.

Tomorrow I will doubt my choice.

Ellos dudarán de la veracidad de la noticia.

They will doubt the truthfulness of the news.

5.

Condicional

Hypothetical situations, polite requests, and future-in-the-past.

yodudaría
dudarías
él/elladudaría
nosotrosdudaríamos
vosotrosdudaríais
ellos/ellasdudarían

Si tuviera más información, dudaría menos.

If I had more information, I would doubt less.

Ella dudaría en aceptar la oferta.

She would hesitate to accept the offer.

6.

Subjuntivo Presente

Wishes, doubts, emotions, and subordinate clauses expressing uncertainty.

yodude
dudes
él/elladude
nosotrosdudemos
vosotrosdudéis
ellos/ellasduden

Es posible que yo dude de su compromiso.

It's possible that I doubt his commitment.

Espero que ellos no duden de mi apoyo.

I hope they do not doubt my support.

7.

Subjuntivo Imperfecto

Past subjunctive contexts, hypothetical si-clauses, and polite suggestions.

yodudara
dudaras
él/elladudara
nosotrosdudaramos
vosotrosdudarais
ellos/ellasdudaran

Si dudara de sus intenciones, lo diría.

If I doubted his intentions, I would say so.

Ojalá que ella no dudara de su capacidad.

I wish she wouldn't doubt her ability.

"dudar" in other languages

Related verbs

Common questions
Is "dudar" regular or irregular in Spanish?
"dudar" is a regular -ar verb in Spanish. It follows the standard conjugation pattern for -ar verbs.
How do you conjugate "dudar" in the present tense?
In the Presente, "dudar" conjugates as: dudas, dudo, dudan, and more. See the full table above.
What is the past tense of "dudar" in Spanish?
In the Pretérito Indefinido, "dudar" conjugates as: dudaste, dudé, dudaron, and more. See the full table above.
How common is "dudar" in Spanish?
"dudar" (to doubt, to hesitate) is one of the most commonly used verbs in Spanish.