regar Present Subjunctive Conjugation
regar — to water
The present subjunctive follows the stem change (ie) and the spelling change (gu): riegue, riegues, riegue, reguemos, reguéis, rieguen.
regar Present Subjunctive Forms
When to Use the Present Subjunctive
Use this after expressions of desire or necessity, like 'I want you to water...' or 'It's important that we water...'
Notes on regar in the Present Subjunctive
This tense combines the 'ie' stem change (except for nosotros/vosotros) with a 'gu' spelling change across all forms to keep the 'g' sound hard.
Example Sentences
Espero que riegues bien las flores.
I hope you water the flowers well.
tú
Es necesario que reguemos el jardín ahora.
It's necessary that we water the garden now.
nosotros
Diles que rieguen los árboles antes de irse.
Tell them to water the trees before leaving.
ellos/ellas/ustedes
Common Mistakes
Mistake: riege
Correct: riegue
Why: Without the 'u', the 'g' would sound like an 'h' (rie-he). You need the 'u' to keep the hard 'g' sound.
Mistake: rieguemos
Correct: reguemos
Why: Remember, the 'ie' change disappears in the nosotros form, even in the subjunctive.
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Related Tenses
Present
yo: riego
Regar changes its stem from 'e' to 'ie' in all forms except nosotros and vosotros: riego, riegas, riega, regamos, regáis, riegan.
Preterite
yo: regué
Regar has a spelling change in the 'yo' form (regué) to keep the sound consistent, but otherwise follows regular -ar patterns.
Imperfect
yo: regaba
Regar is completely regular in the imperfect: regaba, regabas, regaba, regábamos, regabais, regaban.
Future
yo: regaré
The future tense of regar is regular: regaré, regarás, regará, regaremos, regaréis, regarán.
Conditional
yo: regaría
The conditional of regar is regular: regaría, regarías, regaría, regaríamos, regaríais, regarían.
Imperfect Subjunctive
yo: regara
The imperfect subjunctive of regar is regular based on the preterite stem: regara, regaras, regara, regáramos, regarais, regaran.
Affirmative Imperative
yo: riega
Use 'riega' (tú) or 'riegue' (usted) to give commands to water something.
Negative Imperative
yo: no riegues
The negative imperative uses present subjunctive forms: no riegues, no riegue, no reguemos, no reguéis, no rieguen.