diagnosticar Negative Imperative Conjugation
diagnosticar — to diagnose
The negative imperative always uses the present subjunctive forms: no diagnostiques, no diagnostique, etc.
diagnosticar Negative Imperative Forms
When to Use the Negative Imperative
Use this to tell someone NOT to make a diagnosis yet, often used when someone is jumping to conclusions.
Notes on diagnosticar in the Negative Imperative
All forms use the 'qu' spelling change to maintain the hard 'k' sound before the 'e'.
Example Sentences
No diagnostiques sin tener todos los resultados.
Don't diagnose without having all the results.
tú
No diagnostique usted todavía, doctor.
Don't diagnose yet, doctor.
usted
No diagnostiquéis el error a la ligera.
Don't (you all) diagnose the error lightly.
vosotros
Common Mistakes
Mistake: no diagnostica
Correct: no diagnostiques
Why: Negative commands must use the subjunctive forms, not the present indicative.
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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.
Imperfect Subjunctive
yo: diagnosticara
The imperfect subjunctive follows the -ra pattern: diagnosticara, diagnosticaras, diagnosticara, etc.
Affirmative Imperative
yo: diagnostica
The imperative uses 'diagnostica' (tú) and 'diagnostique' (usted/ustedes).