Spanish grammar · A1

Muy vs mucho: the simple rule

You will learn to choose between muy and mucho reliably, because they do different jobs in the sentence. This is one of the most persistent A1 mix-ups, and fixing it makes your Spanish sound immediately clearer.

The rule

In Spanish, muy and mucho both express intensity or quantity, but they do not modify the same kinds of words. If you look at what comes right after, you can choose correctly almost every time.

Muy is invariable. It never changes form. It intensifies an adjective or an adverb, and it goes directly in front of that adjective or adverb: muy alto, muy cansado, muy bien, muy rápido. The key idea is that muy expresses degree, not quantity. That is why you do not make it feminine, masculine, singular, or plural.

At a glance

Choosing between muy and the mucho family

FunciónFormaEjemplo
Intensifica un adjetivomuymuy alto
Intensifica un adverbiomuymuy bien
Modifica un verbomuchoTrabajo mucho
Acompaña a un sustantivo masculino singularmuchomucho dinero
Acompaña a un sustantivo femenino singularmuchamucha gente
Acompaña a un sustantivo masculino pluralmuchosmuchos amigos
Acompaña a un sustantivo femenino pluralmuchasmuchas cosas

Heard in real Spanish

Native speakers on YouTube, in videos about something other than grammar. The notion is in pink. Each clip starts a second before the line.

Lamine empezó muy joven con su tratamiento, con muchas interrupciones, ¿me equivoco?

Lamine started his treatment very young, with many interruptions, am I wrong?

19 preguntas antes del Mundial by Lamine Yamal · Watch on YouTube

Son detalles muy sutiles que dan mucha información sobre el personaje.

They're very subtle details that give a lot of information about the character.

Orgullo y prejuicio y la locura de su adaptación by SensaCine · Watch on YouTube

Examples

  • Mi hermana es muy alta.My sister is very tall.Muy intensifies the adjective alta and never changes form.
  • Hoy estoy muy bien.Today I am very well.Muy intensifies the adverb bien.
  • Trabajo mucho los lunes.I work a lot on Mondays.Mucho modifies the verb trabajo, so it stays invariable.

What to remember

  • Muy is always invariable and goes with an adjective or an adverb.
  • Mucho often modifies a verb, and then it is invariable.
  • Before a noun, agree: mucho, mucha, muchos, muchas.
  • Say muchas gracias and mucho gusto, they are very frequent fixed chunks.
  • Poco, demasiado, bastante follow the same logic: verb vs noun, and agreement with the noun.

Check yourself

1 Fill the blank with the correct form to intensify the adjective.

Mi padre es ___ alto.

  1. muy
  2. mucho
  3. mucha
  4. muchos
Show the answer

muy. Alto is an adjective, so use muy.

2 Fill the blank with the correct form for quantity with a feminine singular noun.

Hay ___ gente en el parque.

  1. muy
  2. mucha
  3. muchos
  4. mucho
Show the answer

mucha. Gente is a feminine singular noun, so mucha.

Take the full lesson

“Muy or mucho” in the Streal course: the whole explanation, the quiz, and every YouTube extract picked for it. Free to start, nothing to install. The full lesson goes on with the rest of the explanation and more examples, the common mistakes and the practice quiz.

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