Questions & Answers about Io innaffio le piante in giardino ogni mattina.
In Italian, subject pronouns like Io (I) are usually optional because the verb ending already tells you who is doing the action. Here, innaffio clearly means “I water.” You include Io only for:
Innaffio is the first-person singular present indicative of the verb innaffiare, which means to water (as in watering plants). Breaking it down: