Respuesta :
Option 2: A Before passing out the test, the teacher asked students to close their books.
Before passing out the test is the prepositional phrase.
A prepositional phrase has the following basic characteristics: usually begins with a preposition and ends with a noun, pronoun or gerund, functions as a unified part of speech, doesn't have a verb nor a subject.
Before is a preposition
Passing out the test is a gerund, which means that it acts as a noun in the sentence, and at the same time is the "object" of the proposition.
The whole phrase is a unified part of speech and doesn't have any verb nor subject.
The underlined phrase which is a prepositional phrase is:
- B. Before passing out the test, the teacher asked students to close their books.
According to the given answer choices, we need to show the sentence which contains a prepositional phrase and how it functions in the sentence.
As a result of this, we can see that there is a prepositional phrase which is "Before passing the test" as it shows the time period before an action took place which is one function of the prepositional phrase in a sentence.
Therefore, the correct answer is option B
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