Answer and Explanation:
The verb form of walk is walking.
In a sentence, you would say, "I am walking to the store to buy some food".
Walking can be used in both past, present, and future tense.
"I am walking to the store to buy some food". - Present
"We were walking in the park until we stumbled upon a stray dog". - Past
"The group will be walking along the football field". - Future
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