Final answer:
The phrase 'Ran to the store' is missing a subject.
Step-by-step explanation:
The phrase 'Ran to the store' is missing a subject. In a sentence, the subject is the noun that performs the action or is being described. In this case, 'Ran to the store' is a verb phrase but it does not include the noun or pronoun that is performing the action.
Learn more about subject in a sentence