agradecer Preterite Conjugation
agradecer — to thank
The preterite of agradecer is regular: agradecí, agradeciste, agradeció, agradecimos.
agradecer Preterite Forms
When to Use the Preterite
Use the preterite to mention a specific moment when you thanked someone or expressed gratitude for a finished event.
Notes on agradecer in the Preterite
Agradecer is fully regular in the preterite. The 'z' change from the present tense does NOT happen here.
Example Sentences
Agradecí el gesto de mi amigo ayer.
I thanked my friend for the gesture yesterday.
yo
¿Le agradeciste a tu madre por la cena?
Did you thank your mother for the dinner?
tú
Agradecieron nuestra visita con una sonrisa.
They thanked us for our visit with a smile.
ellos/ellas/ustedes
Common Mistakes
Mistake: agradezcí
Correct: agradecí
Why: Learners often try to carry the 'z' from the present tense into the preterite, but it only belongs in the present 'yo' and subjunctive forms.
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Related Tenses
Present
yo: agradezco
Agradecer has a 'z-co' change in the first person: agradezco, agradeces, agradece.
Imperfect
yo: agradecía
The imperfect of agradecer is regular: agradecía, agradecías, agradecía, agradecíamos.
Future
yo: agradeceré
The future tense is regular: agradeceré, agradecerás, agradecerá, agradeceremos.
Conditional
yo: agradecería
The conditional of agradecer is regular: agradecería, agradecerías, agradecería.
Present Subjunctive
yo: agradezca
The 'z-co' change from the 'yo' form carries through all subjunctive forms: agradezca, agradezcas.
Imperfect Subjunctive
yo: agradeciera
The imperfect subjunctive uses the 'agradecie-' stem: agradeciera, agradecieras, agradeciera.
Affirmative Imperative
yo: agradece
Use 'agradece' for tú and 'agradezca' for polite commands.
Negative Imperative
yo: no agradezcas
Negative commands always use the present subjunctive: no agradezcas, no agradezca.