Respuesta :
Jim (noun - a person); favorite (adjective - describes cousins); just (adverb - describes saw); cutest (adjective - describes dog); running (verb - shows action); their (adjective - describes yard); and (conjunction - connects running and hiding); behind (preposition - shows spatial relationship between dog and car); the (article, a type of adjective that introduces a noun, car)
The parts of speech for the words in the sentence are:
Jim: noun. A proper noun
who: pronoun. A relative pronoun, refering to the subject Jim and Tiffany.
favorite: adjective. A word to describe cousins in this sentence.
just - adverb. Adverb of time - short time before now.
cutest - adjective - to describe dog.
running - verb - word that expresses action or state.
their - adjective. Possessive adjective (possessive dederminer)
behind - preposition (of place), showing the position of the dog.
the - article - definite article, refering to a car that is already known.