vs
QUICK ANSWER
"I have returned" is a form of "I have returned", a phrase which is often translated as "he vuelto". "I" is a form of "I", a pronoun which is often translated as "yo". Learn more about the difference between "I have returned" and "I" below.
I have returned(
ay
hahv
ri
-
tuhrnd
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. he vuelto
I have returned to Italy twice since then.He vuelto a Italia dos veces desde aquel entonces.