vs
QUICK ANSWER
"How long" is a phrase which is often translated as "cuánto", and "since" is a preposition which is often translated as "desde". Learn more about the difference between "how long" and "since" below.
how long(
hau
lang
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. cuánto
Do you know how long we have to wait for the movie to begin?¿Sabes cuánto tenemos que esperar para que comience la película?
b. cuánto tiempo
How long is the movie?¿Cuánto tiempo dura la película?
I don't care how long you have to wait!¡No me importa cuánto tiempo tengas que esperar!
a. cuánto mide
How long is your surfboard?¿Cuánto mide tu tabla de surf?
You need to check how long the table is before you buy a tablecloth.Tienes que comprobar cuánto mide la mesa antes de comprar un mantel.
since(
sihns
)A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
a. desde
I have been working for this company since 2010.Llevo trabajando en esta empresa desde 2010.
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
2. (reason)
a. ya que
Since I'm the only one watching TV, pass me the remote.Ya que soy la única que está viendo tele, pásame el control remoto.
b. como
Since you don't like pizza, can I have your portion?Como no te gusta la pizza, ¿puedo tomarme tu porción?
c. puesto que (formal)
We didn't visit her since it was very late.No la visitamos puesto que era muy tarde.
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
4. (after that)
a. desde entonces
I met her for dinner, but I haven't seen her since.Cené con ella, pero no la he visto desde entonces.
5. (long ago)
