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"So do I" is a phrase which is often translated as "yo también", and "too" is an adverb which is often translated as "también". Learn more about the difference between "so do I" and "too" below.
so do I(
so
 
du
 
ay
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. yo también
I love red lipstick. - So do I.Me encantan los pintalabios rojos. - Yo también.
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too(
tu
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. también
He can play the guitar and the piano too.Sabe tocar la guitarra y el piano también.
a. demasiado
If you add too much sugar, the cake won't taste good.Si añades demasiado azúcar, el pastel no sabrá bien.
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