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"Whom" is a pronoun which is often translated as "quien", and "that" is a conjunction which is often translated as "que". Learn more about the difference between "whom" and "that" below.
whom(
hum
)A pronoun is a word that stands in for a noun (e.g., she).
1. (relative)
a. quien (singular)
A word or phrase that is singular (e.g., el gato).
So this is the new boyfriend about whom I've heard so much.Así que éste es el nuevo novio de quien he oído tanto.
a. quién
Whom do you like more? The tall one or the short one?¿Quién te gusta más? ¿El alto o el bajo?
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).