Label the part of speech of each underlined word The first professional baseball league was later started in 1871 (every word is underlined except The and 1871)
The is a determiner, first is a number, professional is an adjective, baseball is an adjective, league is a noun, was is a verb, later is an adverb, started is a verb, in is a preposition, 1871 is a number.
baseball league: noun phrase (baseball functioning as an adjective, modifying league)
was: verb
later: adverb of time
started: verb
in: preposition
Explanation:
The given sentence has a passive voice construction, with the past simple passive verb was started. In that respect, the subject of the sentence is The first professional baseball league, and the predicate is was later started in 1871.
