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"Ayer" is an adverb which is often translated as "yesterday", and "su hijo" is a phrase which is often translated as "his son". Learn more about the difference between "ayer" and "su hijo" below.
ayer(
ah
-
yehr
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (literary) (recent past)
A word or phrase restricted in usage to literature or established writing (e.g., sex, once upon a time).
a. yesteryear (literary)
A word or phrase restricted in usage to literature or established writing (e.g., sex, once upon a time).
La vida simple del ayer que echamos tanto de menos.The simple life of yesteryear that we miss so much.
su hijo(
soo
ee
-
hoh
)A phrase is a group of words commonly used together (e.g., once upon a time).
b. her son (feminine)
Ivana está preocupada porque su hijo está enfermo.Ivana is worried because her son is sick.
2. (formal) (second person singular)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
a. your son
Señora Den Bakker, ¿su hijo todavía vive en Ámsterdam?Mrs. Den Bakker, is your son still living in Amsterdam?
a. their son
Conozco a los Climaco. Su hijo es el mejor amigo de mi hija.I know the Climacos. Their son is my daughter's best friend.
4. (informal) (second person plural)
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
a. your son
Su hijo se lastimó. Ustedes son padres irresponsables.Your son got hurt. You are irresponsible parents.
5. (formal) (second person plural)
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
a. your son
Señor y señora Aranda, su hijo es un excelente cantante de ópera.Mr. and Mrs. Aranda, your son is a wonderful opera singer.