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"You know" is a form of "know", a transitive verb which is often translated as "saber". "That" is a conjunction which is often translated as "que". Learn more about the difference between "that" and "you know" below.
that(
thaht
)A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
A pronoun is a word that stands in for a noun (e.g., she).
An adjective is a word that describes a noun (e.g., the big dog).
know(
no
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
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. 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.).
