diagnosticar Affirmative Imperative Conjugation
diagnosticar — to diagnose
The imperative uses 'diagnostica' (tú) and 'diagnostique' (usted/ustedes).
diagnosticar Affirmative Imperative Forms
When to Use the Affirmative Imperative
Use this to give a direct order to a professional to identify a problem or analyze a situation.
Notes on diagnosticar in the Affirmative Imperative
The formal commands (usted/ustedes) and the 'nosotros' form use the 'qu' spelling change from the subjunctive.
Example Sentences
Diagnostica el problema antes de comprar piezas.
Diagnose the problem before buying parts.
tú
Por favor, diagnostique usted mi rodilla.
Please, (you, formal) diagnose my knee.
usted
Diagnostiquemos la situación con calma.
Let's diagnose the situation calmly.
nosotros
Common Mistakes
Mistake: diagnostice (usted)
Correct: diagnostique
Why: Just like the subjunctive, formal commands need the 'qu' to keep the hard 'k' sound.
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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.
Negative Imperative
yo: no diagnostiques
The negative imperative always uses the present subjunctive forms: no diagnostiques, no diagnostique, etc.