vs 

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"Estoy trabajando" is a form of "estoy trabajando", a phrase which is often translated as "I'm working". "Tu" is a form of "tu", an adjective which is often translated as "your". Learn more about the difference between "estoy trabajando" and "tu" below.
estoy trabajando(
ehs
-
toy
 
trah
-
bah
-
hahn
-
doh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. I'm working
Estoy trabajando en un nuevo proyecto con un equipo excelente.I'm working on a new project with a great team.
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tu(
too
)
An adjective is a word that describes a noun (e.g., the big dog).
adjective
1.
A word or phrase used to refer to the second person informal “tú” by their conjugation or implied context (e.g., How are you?).
(informal)
(possessive)
a. your
Mi casa es tu casa.My house is your house.
Ahora es tu turno.Now it's your turn.
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