investigar Negative Imperative Conjugation
investigar — to investigate
Negative commands use 'no' + present subjunctive: no investigues, no investigue...
investigar Negative Imperative Forms
When to Use the Negative Imperative
Use this to tell someone NOT to look into or research something.
Notes on investigar in the Negative Imperative
All negative commands for 'investigar' require the 'gu' spelling change to maintain pronunciation.
Example Sentences
No investigues más por hoy.
Don't research anymore for today.
tú
No investigue mis asuntos privados.
Don't investigate my private affairs.
usted
No investiguemos eso todavía.
Let's not investigate that yet.
nosotros
Common Mistakes
Mistake: no investiga
Correct: no investigues
Why: Negative commands must use the subjunctive form, not the indicative 'tú' form.
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Related Tenses
Present
yo: investigo
Investigar is a regular -ar verb in the present indicative: investigo, investigas, investiga...
Preterite
yo: investigué
Investigar has a spelling change in the 'yo' form (investigué) to keep the hard 'g' sound.
Imperfect
yo: investigaba
Investigar is regular in the imperfect: investigaba, investigabas, investigaba...
Future
yo: investigaré
The future tense uses the full infinitive 'investigar' plus endings: investigaré, investigarás...
Conditional
yo: investigaría
The conditional adds endings to the infinitive: investigaría, investigarías, investigaría...
Present Subjunctive
yo: investigue
The present subjunctive uses a 'gu' spelling change: investigue, investigues, investigue...
Imperfect Subjunctive
yo: investigara
Formed from the 'ellos' preterite: investigara, investigaras, investigara...
Affirmative Imperative
yo: investiga
Give commands: investiga (tú), investigue (usted), investiguemos (nosotros).