Final answer:
The correct form of the verb 'hablar' for the subject 'Yo' is 'hablo.'
Step-by-step explanation:
The correct form of the verb 'hablar' in Spanish is 'hablo' for the subject 'Yo' which means 'I' in English. This form matches the subject's pronoun and conveys the action of speaking in the first person singular. For example, 'Yo hablo español' translates to 'I speak Spanish'.
Learn more about Spanish verb conjugation