dudar Present Conjugation
dudar — to doubt
The present of dudar is regular: dudo, dudas, duda, dudamos, dudáis, dudan.
dudar Present Forms
When to Use the Present
Use this for current feelings of uncertainty or general statements about skepticism.
Notes on dudar in the Present
Dudar is a standard -ar verb in the present tense with no stem changes.
Example Sentences
Dudo que el tren llegue a tiempo.
I doubt that the train will arrive on time.
yo
¿Por qué dudas de mi palabra?
Why do you doubt my word?
tú
Ellos nunca dudan de sus decisiones.
They never doubt their decisions.
ellos/ellas/ustedes
Common Mistakes
Mistake: dudo que + indicative
Correct: dudo que + subjunctive
Why: In Spanish, the verb 'dudar' almost always triggers the subjunctive in the following clause because it expresses uncertainty.
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Related Tenses
Preterite
yo: dudé
The preterite of dudar is regular: dudé, dudaste, dudó, dudamos, dudasteis, dudaron.
Imperfect
yo: dudaba
The imperfect of dudar is regular: dudaba, dudabas, dudaba, dudábamos, dudabais, dudaban.
Future
yo: dudaré
The future of dudar is regular: dudaré, dudarás, dudará, dudaremos, dudaréis, dudarán.
Conditional
yo: dudaría
The conditional of dudar is regular: dudaría, dudarías, dudaría, dudaríamos, dudaríais, dudarían.
Present Subjunctive
yo: dude
The present subjunctive of dudar is regular: dude, dudes, dude, dudemos, dudéis, duden.
Imperfect Subjunctive
yo: dudara
The imperfect subjunctive of dudar is regular: dudara, dudaras, dudara, dudáramos, dudarais, dudaran.
Affirmative Imperative
yo: duda
The imperative of dudar for commands: duda (tú), dude (usted), dudad (vosotros), duden (ustedes).
Negative Imperative
yo: no dudes
The negative imperative of dudar uses the present subjunctive: no dudes, no dude, no dudemos, no dudéis, no duden.