medir Imperfect Subjunctive Conjugation
medir — to measure
The imperfect subjunctive uses the 'midier-' stem for all forms (midiera, midieras, etc.).
medir Imperfect Subjunctive Forms
When to Use the Imperfect Subjunctive
Use this for hypothetical situations, like 'If I measured two meters...' or after past-tense triggers.
Notes on medir in the Imperfect Subjunctive
This tense is based on the 3rd person plural of the preterite (midieron). Since that has an 'i', all forms here have an 'i'.
Example Sentences
Si yo midiera más, jugaría al baloncesto.
If I were taller (measured more), I would play basketball.
yo
Me pidió que midiera la mesa.
He asked me to measure the table.
yo
Si ellos midieran el tiempo, no llegarían tarde.
If they measured the time, they wouldn't arrive late.
ellos/ellas/ustedes
Common Mistakes
Mistake: mediera
Correct: midiera
Why: The stem must match the preterite third-person (midieron), so it must use an 'i'.
Master Spanish verbs in context
Memorizing tables only gets you so far. Read 200+ illustrated and narrated Spanish stories to see verbs like 'medir' used naturally — in the tenses you're learning.
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.
Affirmative Imperative
yo: mide
Use 'mide' (tú) or 'midan' (ustedes) to tell someone to measure something.
Negative Imperative
yo: no midas
The negative imperative always uses the present subjunctive forms: no midas, no mida, no midamos, no midáis, no midan.