garantizar Preterite Conjugation
garantizar — to guarantee
The preterite of garantizar has a spelling change in the 'yo' form: garanticé, but is otherwise regular.
garantizar Preterite Forms
When to Use the Preterite
Use the preterite to describe a specific time you gave a guarantee or when a warranty period began and ended in the past.
Notes on garantizar in the Preterite
The 'yo' form changes 'z' to 'c' (garanticé) to maintain the soft 'th/s' sound before the letter 'é'. All other forms use 'z'.
Example Sentences
Ayer garanticé el pago de la deuda.
Yesterday I guaranteed the payment of the debt.
yo
El vendedor garantizó el motor por un año.
The seller guaranteed the engine for one year.
él/ella/usted
Ellos garantizaron que llegarían a tiempo.
They guaranteed that they would arrive on time.
ellos/ellas/ustedes
Common Mistakes
Mistake: Writing 'garantizé' with a 'z'.
Correct: garanticé
Why: In Spanish, 'z' rarely appears before 'e' or 'i'; it changes to 'c' to keep the same sound.
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Related Tenses
Present
yo: garantizo
The present tense of garantizar is regular: garantizo, garantizas, garantiza, garantizamos, garantizáis, garantizan.
Imperfect
yo: garantizaba
The imperfect of garantizar is fully regular: garantizaba, garantizabas, garantizaba, garantizábamos, garantizabais, garantizaban.
Future
yo: garantizaré
The future of garantizar is regular: garantizaré, garantizarás, garantizará, garantizaremos, garantizaréis, garantizarán.
Conditional
yo: garantizaría
The conditional of garantizar is regular: garantizaría, garantizarías, garantizaría, garantizaríamos, garantizaríais, garantizarían.
Present Subjunctive
yo: garantice
The present subjunctive of garantizar changes 'z' to 'c' in all forms: garantice, garantices, garantice, garanticemos, garanticéis, garanticen.
Imperfect Subjunctive
yo: garantizara
The imperfect subjunctive of garantizar is regular (based on the preterite): garantizara, garantizaras, garantizara, garantizáramos, garantizarais, garantizaran.
Affirmative Imperative
yo: garantiza
The imperative of garantizar uses 'z' for 'tú/vosotros' and 'c' for 'usted/ustedes': garantiza, garantice, garanticemos, garantizad, garanticen.
Negative Imperative
yo: no garantices
The negative imperative of garantizar always uses 'c': no garantices, no garantice, no garanticemos, no garanticéis, no garanticen.