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"Yes" is an interjection which is often translated as "sí", and "go ahead" is an intransitive verb phrase which is often translated as "seguir adelante". Learn more about the difference between "yes" and "go ahead" below.
yes(
yehs
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
go ahead(
go
uh
-
hehd
)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.).
1. (to proceed)
a. seguir adelante
The event will go ahead rain or shine.El evento seguirá adelante llueva o truene.
2. (to advance)
a. adelantarse
I'll stay here and wait for them; you go ahead.Yo me quedo aquí para esperarlos; tú adelántate.
A phrase is a group of words commonly used together (e.g., once upon a time).
3. (imperative)
a. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Can I have an apple? - Go ahead!¿Puedo tomar una manzana? - ¡Por supuesto!
Could I get by, please? - Yes, go ahead.¿Podría pasar, por favor? - Sí, adelante.