Conjugate dudar in Spanish
to doubt
dudar is a regular -ar verb ranked #291 among the most common Spanish verbs. For example: "Yo dudo todos los días." (I doubt every day.). Use the tables below for full conjugation across all 7 tenses.
dudar — Spanish Conjugation Chart
to doubt · -ar verb · regular · conjugado.com
Describes current actions, habits, and general truths. The most frequently used tense — master it first.
| Pronoun | Conjugation |
|---|---|
| yo | dudo |
| tú | dudas |
| él/ella/Ud. | duda |
| nosotros | dudamos |
| vosotros | dudáis |
| ellos/ellas/Uds. | dudan |
Yo dudo todos los días.
I doubt every day.
Describes completed past actions with a clear start and end. Key signals: ayer, el lunes pasado, de repente.
| Pronoun | Conjugation |
|---|---|
| yo | dudé |
| tú | dudaste |
| él/ella/Ud. | dudó |
| nosotros | dudamos |
| vosotros | dudasteis |
| ellos/ellas/Uds. | dudaron |
Nosotros dudamos juntos.
We doubt together.
Describes habitual past actions, background context, and ongoing states. Key signals: siempre, normalmente, cuando era niño.
| Pronoun | Conjugation |
|---|---|
| yo | dudaba |
| tú | dudabas |
| él/ella/Ud. | dudaba |
| nosotros | dudábamos |
| vosotros | dudabais |
| ellos/ellas/Uds. | dudaban |
Antes yo dudaba con frecuencia.
Before, I used to doubt often.
Describes future events and predictions. In everyday speech, ir a + infinitive is often preferred for planned events.
| Pronoun | Conjugation |
|---|---|
| yo | dudaré |
| tú | dudarás |
| él/ella/Ud. | dudará |
| nosotros | dudaremos |
| vosotros | dudaréis |
| ellos/ellas/Uds. | dudarán |
Mañana yo dudaré.
Tomorrow I will doubt.
Expresses what would happen under certain conditions — equivalent to "would" in English. Also used for polite requests.
| Pronoun | Conjugation |
|---|---|
| yo | dudaría |
| tú | dudarías |
| él/ella/Ud. | dudaría |
| nosotros | dudaríamos |
| vosotros | dudaríais |
| ellos/ellas/Uds. | dudarían |
Si pudiera, yo dudaría.
If I could, I would doubt.
Used in clauses expressing wishes, doubt, emotion, or uncertainty — typically after que. Triggers: querer, esperar, dudar, ojalá.
| Pronoun | Conjugation |
|---|---|
| yo | dude |
| tú | dudes |
| él/ella/Ud. | dude |
| nosotros | dudemos |
| vosotros | dudéis |
| ellos/ellas/Uds. | duden |
Quiero que tú dudes más.
I want you to doubt more.
Used to give commands and direct requests. Affirmative and negative forms differ significantly in Spanish.
| Pronoun | Conjugation |
|---|---|
| yo | - |
| tú | duda |
| él/ella/Ud. | dude |
| nosotros | dudemos |
| vosotros | dudad |
| ellos/ellas/Uds. | duden |
Él duda con frecuencia.
He doubts often.
Test yourself
Type the correct conjugation for each prompt.
Example sentences
-
Yo dudo todos los días.
I doubt every day.
-
¿Tú dudas mucho?
Do you doubt a lot?
-
Él duda con frecuencia.
He doubts often.
-
Nosotros dudamos juntos.
We doubt together.
-
Ellos dudan bien.
They doubt well.
-
Ayer dudé por primera vez.
Yesterday I doubtd for the first time.
-
Quiero que tú dudes más.
I want you to doubt more.
-
Es importante dudar correctamente.
It is important to doubt correctly.
Common phrases with dudar
- dudar bien to doubt well
- dudar mucho to doubt a lot
- dejar de dudar to stop doubting
- volver a dudar to doubt again