medir Negative Imperative Conjugation
medir — to measure
The negative imperative always uses the present subjunctive forms: no midas, no mida, no midamos, no midáis, no midan.
medir Negative Imperative Forms
When to Use the Negative Imperative
Use this to tell someone not to bother measuring or to stop measuring incorrectly.
Notes on medir in the Negative Imperative
All forms use the 'i' stem change, just like the present subjunctive.
Example Sentences
No midas la harina todavía.
Don't measure the flour yet.
tú
No midan el éxito solo por el dinero.
Don't measure success only by money.
No midamos las cosas a ojo.
Let's not measure things by eye.
nosotros
Common Mistakes
Mistake: No medas.
Correct: No midas.
Why: Negative commands must use the subjunctive stem change.
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Related Tenses
Present
yo: mido
Medir undergoes an e-to-i stem change in the present: mido, mides, mide, medimos, medís, miden.
Preterite
yo: medí
In the preterite, medir only changes e-to-i in the third-person forms (midió, midieron).
Imperfect
yo: medía
Medir is completely regular in the imperfect: medía, medías, medía, medíamos, medíais, medían.
Future
yo: mediré
The future of medir is regular: añadir the endings to the full infinitive (mediré, medirás, etc.).
Conditional
yo: mediría
The conditional of medir is regular: añadir -ía endings to the infinitive (mediría, medirías, etc.).
Present Subjunctive
yo: mida
The present subjunctive of medir uses the 'i' stem change in ALL forms: mida, midas, mida, midamos, midáis, midan.
Imperfect Subjunctive
yo: midiera
The imperfect subjunctive uses the 'midier-' stem for all forms (midiera, midieras, etc.).
Affirmative Imperative
yo: mide
Use 'mide' (tú) or 'midan' (ustedes) to tell someone to measure something.