The question is asking: The base form of a verb is also known as the A. present tense. B. past participle. C. past tense. D. future tense. The base form is the one from which the others are derived: so for example, the base form would be "derive" and the past would be "derived" and the future would will "will derive" - they are all derived from the present. The correct answer is A. Present tense
