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"I will do" is a form of "I will do", a transitive verb phrase which is often translated as "haré". "Yes" is an interjection which is often translated as "sí". Learn more about the difference between "yes" and "I will do" below.
yes(
yehs
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
I will do(
ay
wihl
du
)A transitive verb phrase is a phrase that combines a verb with a preposition or other particle and requires a direct object (e.g., take out the trash.).