"muelas" is the second person singular present subjunctive of the verb moler. View conjugation.

moler

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moler

transitive verb

1. to grind (pulverizar); to mill (trigo); to press (aceitunas)

2. to beat (destrozar)

lo molieron a palos -> he was beaten to a pulp
estas zapatillas me están moliendo los pies -> these shoes are killing my feet

3. to wear out (informal) (cansar)

moler [mo-lerr’]

article & verb transitive

1. To grind, to pound (pulverizar), to pulverize, to mill (trigo).

2. To vex, to molest; to fatigue (cansar).

3. To waste, to consume by use.

4. To masticate, to chew.

moler

verbo:transitivo

1 [+café] to grind; [+trigo] to mill; (machacar) to crush; (pulverizar) to pound

moler a algn a palos to give sb a beating

2 (fastidiar) to annoy; (aburrir) to bore

Verb Conjugation for "moler"

	Presente	Pretérito	Imperfect	Futuro	Subjuntivo
Yo	muelo	molí	molía	moleré	muela
Tú	mueles	moliste	molías	molerás	muelas
Ella/Él/Usted	muele	molió	molía	molerá	muela
Nosotros	molemos	molimos	molíamos	moleremos	molamos
Vosotros	moléis	molisteis	molíais	moleréis	moláis
Ellos/Ustedes	muelen	molieron	molían	molerán	muelan