Presente
What is happening now, habits, general truths, and plans: domani parto.
- piove
Piovere
to rain
Irregular verb, gerund piovendo, past participle piovuto, auxiliary essere.
Avere or essere
Both are correct: è piovuto, ha piovuto. The tables use essere.
Newbie
Enough to talk about now, your plans, and the past.
Passato prossimo
The everyday past for a finished action: avere or essere plus the participle.
- è piovuto
Imperfetto
Past habits, descriptions, and what was going on.
- pioveva