Select the option that correctly describes the use of the word ‘walking’ in the following sentence.
Walking is good for health.

Correct option is D

The correct description of the word "walking" is (d) Walking is the present participle form of the verb functioning as a gerund.
· Explanation: In the sentence, "walking" functions as a noun, making it a gerund. A gerund is a verb ending in -ing that is used as a noun.
· Grammatical rule used: Gerunds function as subjects, objects, or complements in a sentence.
Example: Walking daily keeps you fit.
Why other options are incorrect:
· (a): Walking is not in the present tense but functioning as a noun.
· (b): Walking is not a past participle.
· (c): Walking is not the base form; the base form is "walk."