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"Ninguno" is an adjective which is often translated as "no", and "a" is a preposition which is often translated as "to". Learn more about the difference between "ninguno" and "a" below.
ninguno(
neeng
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goo
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noh
)An adjective is a word that describes a noun (e.g., the big dog).
a. no (in affirmative clauses)
Ningún maestro apoyaría esos cambios.No teacher would support those changes.
b. any (in negative clauses)
No estaba al corriente de ninguna noticia mala sobre el gobernador.I was not aware of any negative news about the governor.
2. (not one)
a. no (in affirmative clauses)
Ninguna tarea fue asignada por los maestros esta semana.No homework was assigned by the teachers this week.
b. any (in negative clauses)
El juez no puede tomar ninguna decisión hasta que vea la evidencia.The judge cannot make any decision until he sees the evidence.
A pronoun is a word that stands in for a noun (e.g., she).
3. (no person)
a. none (in affirmative clauses)
Ninguno de ellos me llamó para felicitarme.None of them called me to congratulate me.
b. no one (in affirmative clauses)
Ninguno parecía tener idea de lo que hacía.No one seemed to know what they were doing.
c. nobody (in affirmative clauses)
Por lo que yo veo, ninguno vale para el puesto.From what I can see, nobody is right for the job.
4. (no thing)
a. none (in affirmative clauses)
Ninguna de ellas es apropiada para nosotros.None of them is right for us.
b. any (in negative clauses)
Le dije que limpiara los cuadros, pero no limpió ninguno.I told her to clean the paintings, but she didn't clean any.
a. neither (in affirmative clauses)
Ninguno de los dos va a cambiar.Neither of the two is going to change.
b. either (in negative clauses)
El sitio web no aceptó ninguna de las contraseñas que probé.The site didn't accept either of the two passwords I tried.
a, la a(
ah
)A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Podía respirar a duras penas.He was hardly able to breathe.
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
¡A fregar los platos!Go do the dishes!
¡A la cama!Off to bed!
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Me encantaría ganar dinero a espuertas.I would love to earn lots of money.
Llovía a cántaros.It was pouring.
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
An abbreviation is the shortened form of a word or group of words (e.g., "UFO" = "unidentified flying object"; "p." = "page").
a. A
El circuito transporta una corriente de 1 A.The circuit carries a current of 1 A.
La intensidad de la corriente eléctrica se mide en A.The intensity of an electric current is measured in A.