vs
QUICK ANSWER
"Muchacha" is a form of "muchacho", a noun which is often translated as "boy". "Ser" is a copular verb which is often translated as "to be". Learn more about the difference between "muchacha" and "ser" below.
el muchacho, la muchacha(
moo
-
chah
-
choh
)This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
a. boy (masculine)
A word or phrase that is masculine (e.g., el libro).
Había un grupo de muchachos jugando al tenis.There was a group of boys playing tennis.
b. girl (feminine)
A word or phrase that is feminine (e.g., la manzana).
Las muchachas sentadas allá son mis amigas.Those girls sitting over there are my friends.
c. kid (colloquial)
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
¡Oye, muchacha! Ayúdame a mover este sofá.Hey kid! Help me move this sofa.
d. young man (masculine)
A word or phrase that is masculine (e.g., el libro).
¿Quién es ese muchacho que está en el jardín con Isabel? - Es su novio.Who's that young man who's with Isabel in the garden? - He's her boyfriend.
e. young woman (feminine)
A word or phrase that is feminine (e.g., la manzana).
Hoy en día las muchachas suelen ser más maduras que nosotras a su edad.Nowadays young women are usually more mature than we were at their age.
f. youngster
Los muchachos de hoy en día son muy distintos de cómo éramos nosotros a su edad.Today's youngsters are very different from how we were at their age.
2. (old-fashioned) (attendant)
A word or phrase that is seldom used in contemporary language and is recognized as being from another decade, (e.g., cat, groovy).
a. servant (masculine)
El muchacho le subirá las maletas a la habitación.The servant will take your suitcases up to your room.
b. maid (feminine)
Mi abuela ordenó a la muchacha que limpiara la cocina.My grandmother instructed the maid to clean the kitchen.
ser(
sehr
)A copular verb links the subject of a clause to the predicate (e.g., My brother is tall).
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
a. to be made of
El casillero antiguo de mi abuela es de roble.My grandma's antique dresser is made of oak.
a. to root for
Yo soy del mejor equipo del mundo: FC Barcelona.I root for the best team in the world: FC Barcelona.
An impersonal verb is a verb with no apparent subject (e.g., Llueve en España.).
a. to be
Son las siete de la mañana.It is seven in the morning.
Era de noche cuando llegaron.It was night when they arrived.
An auxiliary verb, or helper verb, is a conjugated verb that comes before a main verb and determines the main verb's tense, mood, or aspect (e.g., I have gone.).
a. to be
El edificio fue diseñado por un equipo de arquitectos.The building was built by a team of architects.
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).