The underlined phrase is "to earn good grades". Hence it is prepositional in nature.
<h3>What is a prepositional phrase?</h3>
A prepositional phrase is one with a preposition and a noun, pronoun, or noun phrase as its last component "From Greece" is a prepositional phrase in "He is from Greece."
Thus, it is correct to state that the phrase "to earn good grades" is prepositional. Given that "grades" is a noun,
Full Question:
Read the following sentence:
The best way <u>to earn good grades</u> is to work hard and study.
The underlined phrase is which of the following? (5 points)
A) Prepositional
B) Gerundial
C) Infinitive
D) Participial
Learn more about prepositional phrase at;
brainly.com/question/427749
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