1. Peter forgot his umbrella at home.2. Mary lost her keys yesterday.3. Children went to the cinema three days ago.4. My father caught a fish last Sunday.5. I bought a new mobile phone last month.Неправильные глаголы здесь использованы в прошедшем времени: forgot (настоящее время forget — забывать), lost (lose — терять), went (go — ходить), caught (catch — ловить), bought (buy — покупать).