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"Ever since" is a phrase which is often translated as "desde que", and "ever after" is an adverb which is often translated as "para siempre". Learn more about the difference between "ever since" and "ever after" below.
ever since(
eh
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vuhr
sihns
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. desde entonces
I tried being a vegetarian for a week, and I've been a vegetarian ever since.Intenté ser vegeteriano por una semana, y soy vegeteriano desde entonces.
ever after(
eh
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vuhr
ahf
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tuhr
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
1. (literary) (eternally)
A word or phrase restricted in usage to literature or established writing (e.g., sex, once upon a time).
a. para siempre
They became best friends and lived happily ever after.Se hicieron mejores amigos y vivieron felices para siempre.
2. (since then)