estremecer Imperfect Conjugation
estremecer — to shake
The imperfect of estremecer is regular: estremecía, estremecías, estremecía, estremecíamos, estremecíais, estremecían.
estremecer Imperfect Forms
When to Use the Imperfect
Use this to describe an ongoing state of shivering or a repeated action of shaking in the past (e.g., 'The ground was shaking').
Notes on estremecer in the Imperfect
Estremecer is regular in the imperfect. All -er verbs use the -ía endings.
Example Sentences
La casa se estremecía con cada trueno.
The house was shaking with every thunderclap.
él/ella/usted
Yo me estremecía de frío mientras esperaba el bus.
I was shivering with cold while waiting for the bus.
yo
Nosotros nos estremecíamos al escuchar esas historias.
We used to shudder when hearing those stories.
nosotros
Common Mistakes
Mistake: Forgetting the accent on the 'i'.
Correct: estremecía
Why: All imperfect forms for -er/-ir verbs require an accent on the 'í' to differentiate the syllable.
Master Spanish verbs in context
Memorizing tables only gets you so far. Read 200+ illustrated and narrated Spanish stories to see verbs like 'estremecer' used naturally — in the tenses you're learning.
Related Tenses
Present
yo: estremezco
The present tense of estremecer is irregular only in the 'yo' form: estremezco.
Preterite
yo: estremecí
The preterite of estremecer is regular: estremecí, estremeciste, estremeció, estremecimos, estremecisteis, estremecieron.
Future
yo: estremeceré
The future tense of estremecer is regular: estremeceré, estremecerás, estremecerá, estremeceremos, estremeceréis, estremecerán.
Conditional
yo: estremecería
The conditional of estremecer is regular: estremecería, estremecerías, estremecería, estremeceríamos, estremeceríais, estremecerían.
Present Subjunctive
yo: estremezca
The present subjunctive of estremecer uses the spelling change 'zc' in all forms: estremezca, estremezcas, estremezca, estremezcamos, estremezcáis, estremezcan.
Imperfect Subjunctive
yo: estremeciera
The imperfect subjunctive of estremecer is regular based on the preterite stem: estremeciera, estremecieras, estremeciera, estremeciéramos, estremecierais, estremecieran.
Affirmative Imperative
yo: estremece
The imperative uses 'estremece' for tú and 'estremezca' for formal commands.
Negative Imperative
yo: no estremezcas
The negative imperative always uses the present subjunctive forms: no estremezcas, no estremezca, no estremezcamos, no estremezcáis, no estremezcan.