Final answer:
To correctly conjugate the verb 'to be' in French, ensure that the verb form corresponds to the subject pronoun being used.
Explanation:
When dealing with the verb 'to be' in French, it is essential to match the verb form to the subject. In this case, the correct verb to use with 'Marc et toi, vous' is êtes as 'vous' is the subject pronoun for 'you' in the plural form.
Learn more about Verb conjugation in French here:
https://brainly.com/question/5834260
