Which one is auxiliary?
Correct answer: C. Do
- A. With
- B. One
- C. Do
- D. For
Explanation
An auxiliary verb, also known as a helping verb, is used with a main verb to help express the main verb's tense, mood, or voice. In English, common auxiliary verbs include "be," "have," and "do." In this question, "do" is the correct answer because it functions as an auxiliary, especially in forming negatives and questions (e.g., "Do you understand?").The other options are incorrect because they are not auxiliary verbs. "With" and "for" function as prepositions, while "one" is a pronoun, none of which modify verbs.
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