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"I know" is a form of "know", a transitive verb which is often translated as "saber". "Now" is an adverb which is often translated as "ahora". Learn more about the difference between "now" and "I know" below.
now(
nau
)
An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
adverb
a. ahora
The time for action is now.Ahora es el momento de actuar.
a. actualmente
Now things are done much differently.Actualmente las cosas se hacen de manera muy diferente.
b. hoy en día
The world is so connected now.El mundo está muy conectado hoy en día.
a. ya
The movie is beginning now.La película ya está empezando.
a. bueno
Now, it's time for you to go to bed.Bueno, ya es hora de que te acuestes.
An adjective is a word that describes a noun (e.g., the big dog).
adjective
a. actual
The now leader agreed that it was a very serious concern.El líder actual coincidió en que era un asunto muy grave.
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
a. ahora que
Now that you have it, what are you going to do about it?Ahora que lo tienes, ¿qué vas a hacer al respecto?
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
noun
a. el ahora
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(M)
Until now I'd never given it much thought.Hast ahora realmente no lo había considerado.
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know(
no
)
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
transitive verb
a. saber
Do you know when the next bus is leaving?¿Sabes a qué hora sale el próximo autobús?
He knows French, Spanish, and German.Sabe francés, español y alemán.
a. conocer
I know her from school, but we're not really friends.La conozco de la escuela, pero realmente no somos amigos.
a. entender
I don't know how you can treat her like that.No entiendo cómo puedes tratarla así.
a. reconocer
I knew him just by hearing his voice.Lo reconocí tan solo de escuchar su voz.
a. saber
I don't know if you should walk home so late.No sé si deberías caminar sola a tu casa a esta hora.
a. saberse
Do you know the alphabet yet?¿Ya te sabes el abecedario?
He knows a lot about the American Civil War.Se sabe mucho de la guerra civil estadounidense.
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
intransitive verb
a. saber
Is today Tuesday? - I don't know.¿Hoy es martes? - No lo sé.
a. saber
Did I leave the keys on the table? - I don't know.¿Dejé las llaves sobre la mesa? - No sé.
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