TSA CBT Practice Test

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Prepare for the upcoming TSA CBT Test with comprehensive quizzes and multiple choice questions. Enhance your knowledge and skills to achieve success in your career as a TSA officer.

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What form of a verb ends in -ing and is used as a noun?

Infinitive
Gerund
Participle
Adverb

The correct answer is: Gerund

The form of a verb that ends in -ing and functions as a noun is known as a gerund. Gerunds are unique because they allow verbs to take on a noun role in a sentence, providing flexibility in sentence structure. For example, in the sentence "Swimming is fun," the word "swimming" is a gerund serving as the subject of the sentence. In contrast, an infinitive is the base form of a verb typically preceded by "to," such as "to run" or "to bake." A participle, while also using an -ing form, functions as an adjective to describe nouns, as in "the running water." An adverb modifies verbs, adjectives, or other adverbs, but does not take on a noun-like role. Thus, the gerund stands out as the correct answer for a verb form that ends in -ing and acts as a noun.