diferir Imperfect Subjunctive Conjugation
diferir — to differ
All forms use the 'difir-' stem derived from the preterite 3rd person.
diferir Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use this for hypothetical 'if' situations regarding differences or when a past request involved deferring something.
Notes on diferir in the Imperfect Subjunctive
The stem for all forms is 'difir-', based on the preterite 'difirieron'. This 'i' persists throughout.
Example Sentences
Si difirieras un poco menos, terminaríamos antes.
If you disagreed a bit less, we would finish sooner.
tú
Me pidió que difiriéramos la entrega.
He asked me that we defer the delivery.
nosotros
Common Mistakes
Mistake: diferiera
Correct: difiriera
Why: The imperfect subjunctive always builds off the 3rd person plural preterite stem (difir-), never the infinitive.
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Related Tenses
Present
yo: difiero
Diferir follows an e-ie stem change in all forms except nosotros and vosotros.
Preterite
yo: diferí
Diferir has a third-person stem change (e-i): difirió and difirieron.
Imperfect
yo: difería
Diferir is completely regular in the imperfect: difería, diferías, difería...
Future
yo: diferiré
Diferir is regular in the future: use the full infinitive plus endings (diferiré).
Conditional
yo: diferiría
Diferir is regular in the conditional: diferiría, diferirías, diferiría.
Present Subjunctive
yo: difiera
Diferir has stem changes in all forms: e-ie in most, and e-i in nosotros/vosotros.
Affirmative Imperative
yo: difiere
Commands use 'difiere' (tú) and 'difiera' (usted).
Negative Imperative
yo: no difieras
Negative commands use the present subjunctive forms: no difieras, no difiera.