Final answer:
The correct verb conjugation is 'voy'.
Step-by-step explanation:
The correct conjugation of the verb to complete the sentence is voy. The sentence should read 'Yo no voy a ir porque necesito estudiar.' The verb 'ir' means 'to go' in Spanish, and the correct conjugation for the first person singular (yo) is 'voy'.
Learn more about Conjugation of Spanish verbs