diagnosticar Imperfect Subjunctive Conjugation
diagnosticar — to diagnose
The imperfect subjunctive follows the -ra pattern: diagnosticara, diagnosticaras, diagnosticara, etc.
diagnosticar Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use this for hypothetical situations or past requests regarding a diagnosis, often after 'si' (if) or verbs of influence in the past.
Notes on diagnosticar in the Imperfect Subjunctive
This tense is regular for diagnosticar, based on the third-person plural preterite stem 'diagnosticara-'.
Example Sentences
Si el doctor me diagnosticara hoy, estaría más tranquilo.
If the doctor diagnosed me today, I would be calmer.
yo
Me pidió que le diagnosticáramos la avería del coche.
He asked us to diagnose the car's breakdown.
nosotros
Dudaba que diagnosticaran la enfermedad tan rápido.
I doubted that they would diagnose the illness so quickly.
ellos/ellas/ustedes
Common Mistakes
Mistake: diagnosticáramos without the accent.
Correct: diagnosticáramos
Why: The 'nosotros' form of the imperfect subjunctive always requires an accent on the vowel before the -ramos ending.
Master Spanish verbs in context
Memorizing tables only gets you so far. Read 200+ illustrated and narrated Spanish stories to see verbs like 'diagnosticar' used naturally — in the tenses you're learning.
Related Tenses
Present
yo: diagnostico
The present tense is completely regular: diagnostico, diagnosticas, diagnostica, diagnosticamos, diagnosticáis, diagnostican.
Preterite
yo: diagnostiqué
Diagnosticar is regular except for the 'yo' form, which changes to diagnostiqué.
Imperfect
yo: diagnosticaba
The imperfect is regular: diagnosticaba, diagnosticabas, diagnosticaba, diagnosticábamos, diagnosticabais, diagnosticaban.
Future
yo: diagnosticaré
The future tense is regular: add endings to the infinitive (diagnosticaré, diagnosticarás, etc.).
Conditional
yo: diagnosticaría
The conditional is regular: add -ía endings to the infinitive (diagnosticaría, diagnosticarías, etc.).
Present Subjunctive
yo: diagnostique
Diagnosticar requires a spelling change from 'c' to 'qu' in all forms: diagnostique, diagnostiques, diagnostique, etc.
Affirmative Imperative
yo: diagnostica
The imperative uses 'diagnostica' (tú) and 'diagnostique' (usted/ustedes).
Negative Imperative
yo: no diagnostiques
The negative imperative always uses the present subjunctive forms: no diagnostiques, no diagnostique, etc.