extender Preterite Conjugation
extender — to spread
Extender is regular in the preterite: extendí, extendiste, extendió, extendimos, extendisteis, extendieron.
extender Preterite Forms
When to Use the Preterite
Use the preterite to describe a completed act of spreading or extending that happened at a specific point in time, like stretching a muscle or spreading a map.
Notes on extender in the Preterite
Extender is completely regular in the preterite. The stem change (e-ie) that happens in the present tense does NOT happen here.
Example Sentences
Extendí el mapa sobre la mesa.
I spread the map out on the table.
yo
El profesor extendió la fecha del examen.
The teacher extended the exam date.
él/ella/usted
Ayer extendimos la alfombra nueva.
Yesterday we rolled out the new rug.
nosotros
Common Mistakes
Mistake: Applying the stem change: 'extiendió'.
Correct: extendió
Why: Only -ir verbs with stem changes in the present carry changes into the preterite; -er verbs like extender remain regular.
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Related Tenses
Present
yo: extiendo
Extender is a stem-changing (e-ie) verb in the present tense: extiendo, extiendes, extiende, extendemos, extendéis, extienden.
Imperfect
yo: extendía
The imperfect of extender is regular: extendía, extendías, extendía, extendíamos, extendíais, extendían.
Future
yo: extenderé
The future of extender is regular: extenderé, extenderás, extenderá, extenderemos, extenderéis, extenderán.
Conditional
yo: extendería
The conditional of extender is regular: extendería, extenderías, extendería, extenderíamos, extenderíais, extenderían.
Present Subjunctive
yo: extienda
The present subjunctive of extender follows the e-ie stem change: extienda, extiendas, extienda, extendamos, extendáis, extiendan.
Imperfect Subjunctive
yo: extendiera
The imperfect subjunctive of extender is formed from the third-person plural preterite: extendiera, extendieras, extendiera, extendiéramos, extendierais, extendieran.
Affirmative Imperative
yo: extiende
Commands for extender use the stem change: extiende (tú), extienda (usted), extended (vosotros), extiendan (ustedes).
Negative Imperative
yo: no extiendas
Negative commands for extender use the present subjunctive forms: no extiendas (tú), no extienda (usted), no extendáis (vosotros), no extiendan (ustedes).