Quick answer
"Whether" is a conjunction which is often translated as "si", and "not" is an adverb which is often translated as "no". Learn more about the difference between "whether" and "not" below.
whether(
wehth
-
uhr
)
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g. The cat and the dog slept.).
1. (expressing doubt or choice)
a. si
I don't know whether I am going to do it today or tomorrow. No sé si lo voy a hacer hoy o mañana.
2. (expressing inquiry)
a. si
I'll try to find out whether she's at the office.Voy a tratar de averiguar si está en la oficina.
3. (indicating something applies whichever be the case; often used with "or")
a.
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
no direct translation
Alicia has made up her mind - she'll resign, whether or not she gets this other job.Alicia se decidió: va a renunciar, consiga o no el otro trabajo.
Whether you like it or not, I will buy this shirt.Te guste o no, me voy a comprar esta camisa.
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not(
nat
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g. to run quickly, very tired).
1. (with auxiliary verbs)
a. no
I am not the kind of person you think I am.No soy la clase de persona que tú crees que soy.
She does not have any money.No tiene dinero.
2. (with modal verbs)
a. no
He would not like it if he found you at his computer.No le haría ninguna gracia encontrarte utilizando su computadora.
You must not tell lies.No debes decir mentiras.
3. (preceding an infinitive clause)
a. no
We swore not to tell anybody about that night.Juramos que no le diríamos nada a nadie sobre esa noche.
4. (as a conjunction with "that")
a. no
I had to do it myself; not that it matters, but what do we pay him for?Lo tuve que hacer yo misma; no es que me importe, pero ¿para qué le pagamos?
5. (replacing a negative answer)
a. no
Are you angry with me? - Of course not!¿Estás enfadada conmigo? - ¡Claro que no!
Is it going to rain? - I hope not!¿Va a llover? - ¡Espero que no!
6. (negating a specific word)
a. no
Not everybody would agree with you.No todo el mundo estaría de acuerdo contigo.
b. ni
Not one word of comfort coming from him!¡Ni una palabra de consuelo salió de su boca!
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