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"Sea" is a form of "sea", a phrase which is often translated as "be". "Que no" is a phrase which is often translated as "no". Learn more about the difference between "sea" and "que no" below.
sea
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
1.
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
(imperative; second person singular)
a. be
Sea cuidadoso con esas copas; son frágiles.Be careful with those glasses; they're fragile.
a. to be
Mi madre quiere que sea más paciente.My mother wants me to be more patient.
3.
A word or phrase used to refer to the second person formal “usted” by their conjugation or implied context (e.g., usted).
(formal)
(subjunctive; second person singular)
a. to be
Es importante que sea amable con sus vecinos.It's important for you to be kind to your neighbors.
a. to be
Ana María le pidió a su hermana que sea su dama de honor en la boda.Ana Maria asked her sister to be her bridesmaid in her wedding.
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que no(
keh
 
noh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. no
Cuando le pregunté a Juan si estaba cansado, dijo que no.When I asked Juan if he was feeling tired, he said no.
b.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
Reconoció que no había estudiado derecho en su país.He admitted he hadn't studied law in his country.
El pronóstico dice que no va a llover.The weather forecast says it's not going to rain.
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
El hecho de que no haya inversiones dificulta el desarrollo del país.The fact that there are no investments hinders the development of the country.
El dolor de que no le hablara su hijo le costó la vida.The grief that her son would not talk to her took her life.
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
¿A que no sabes quién vino?Guess who's here!
No voy a ir. - ¿Cómo que no?I won't go. - How come!
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