When the subject of a sentence is a proper name + "yo," the correct form of the verb to use is the first-person singular form, which corresponds to "yo."
For example:
- If the proper name is "María," you would say: "María y yo vamos al cine."
In this case, "vamos" is the form used for "nosotros/nosotras" since "María y yo" means "we."
So, to clarify, the verb should correspond to the subject as "nosotros/nosotras." If you are specifically looking for how to form the sentence with a proper name and "yo," you would use the first-person singular for verbs used with "yo." However, the full correct response when including the proper name with "yo" in the context of Spanish would be using the "nosotros/nosotras" form if it involves both.
If you meant just how "yo" would relate to the form, it would simply be "yo."