We should never get down from a moving train.' The underlined word in the sentence is a/an :

Question

Accepted Answer

The underlined word "never" in the sentence "We should never get down from a moving train" is an adverb because it modifies the verb "get." Here's a detailed explanation:

*   **Why Option 3 (Adverb) is correct:** Adverbs modify verbs, adjectives, or other adverbs. In this sentence, "never" modifies the verb "get down." It tells us *how often* we should get down from a moving train (i.e., not at all). It provides information about the action of getting down, making it an adverb of frequency (or, in this case, a negative adverb of frequency).

*   **Why Option 1 (Verb) is incorrect:** Verbs are action words or words that describe a state of being. "Never" does not describe an action or a state of being. It modifies the action of "getting down."

*   **Why Option 2 (Preposition) is incorrect:** Prepositions are words that show the relationship between a noun or pronoun and other words in the sentence (e.g., "on," "in," "at," "to," "from"). "Never" does not show such a relationship.

*   **Why Option 4 (Adjective) is incorrect:** Adjectives modify nouns or pronouns. "Never" does not describe a noun or pronoun in the sentence. It describes the action of "getting down."