vs
QUICK ANSWER
"I" is a form of "I", a pronoun which is often translated as "yo". "Have to go" is an intransitive verb phrase which is often translated as "tener que ir". Learn more about the difference between "have to go" and "I" below.
have to go(
hahv
tu
go
)An intransitive verb phrase is a phrase that combines a verb with a preposition or other particle and does not require a direct object (e.g., Everybody please stand up.).
1. (general)