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"Tener miedo" is an intransitive verb phrase which is often translated as "to be afraid", and "asustarse" is a pronominal verb which is often translated as "to get frightened". Learn more about the difference between "tener miedo" and "asustarse" below.
tener miedo(
teh
-
nehr
 
myeh
-
doh
)
An intransitive verb phrase is a phrase that combines a verb with a preposition or other particle and does not require a direct object (e.g., Everybody please stand up.).
intransitive verb phrase
a. to be afraid
Eugenio les tiene miedo a los payasos.Eugenio is afraid of clowns.
b. to be scared
Tenía demasiado miedo para ver los resultados de su prueba.She was too scared to look at her test results.
c. to be frightened
¿Por qué tiemblas? ¿Tienes miedo?Why are you shaking? Are you frightened?
d. to fear
No tengo miedo al futuro.I don't fear the future.
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asustarse(
ah
-
soos
-
tahr
-
seh
)
A pronominal verb always uses a reflexive pronoun. (e.g., Te ves cansado.).
pronominal verb
a. to get frightened
Nos asustamos muchísimo con la explosión de la bomba.We got terribly frightened when the bomb went off.
b. to be frightened
¡No te asustes! Son solo truenos.Don't be frightened! It's just thunder.
a. to get worried
Me asusté cuando me di cuenta de que era tarde y María todavía no había llegado.I got worried when I realized that it was late, and María had not arrived yet.
asustar
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
transitive verb
a. to frighten
¡El extraño ruido me asustó!The weird noise frightened me!
b. to scare
Enciende una vela para asustar a los demonios.Light a candle to scare the demons.
a. to startle
Un grito espeluznante la asustó mientras dormía.A bloodcurdling scream startled her awake.
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