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"Pop in" is an intransitive verb phrase which is often translated as "entrar un momento", and "drop by" is an intransitive verb phrase which is often translated as "pasar". Learn more about the difference between "pop in" and "drop by" below.
pop in(
pap
 
ihn
)
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. entrar un momento
Sometimes the mailman will pop in to say hello.A veces entra el cartero un momento para saludarnos.
b. pasarse
Would it be all right if I popped in to see you?¿Está bien que me pase a visitarte?
A transitive verb phrase is a phrase that combines a verb with a preposition or other particle and requires a direct object (e.g., take out the trash.).
transitive verb phrase
a. llevar
Janice said she would pop the keys in before she left on her trip.Janice dijo que nos llevaría las llaves antes de que se marchara de viaje.
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drop by(
drap
 
bay
)
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
1.
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
(to visit)
a. pasar
What time are your parents going to drop by?¿A qué hora van a pasar tus padres?
b. pasarse (pronominal verb)
If you have time, you should drop by this afternoon.Si tienes tiempo, deberías pasarte esta tarde.
c. dejarse caer
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
(pronominal verb)
Are you home? Carlos and I were thinking of dropping by.¿Estás en casa? Carlos y yo pensábamos dejarnos caer.
A transitive verb phrase is a phrase that combines a verb with a preposition or other particle and requires a direct object (e.g., take out the trash.).
transitive verb phrase
2.
A word or phrase that is commonly used in conversational speech (e.g., skinny, grandma).
(colloquial)
(to visit)
a. pasar por
Sam and Pete dropped by the library to return a book.Sam y Pete pasaron por la biblioteca para devolver un libro.
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