• Basic forms
• 早める — to move something earlier; to do in advance / base form
• 早めます — polite / I move it earlier / masu form
• 早めた — past / moved earlier; did ahead of time / ta form
• 早めて — te-form / do it early (and …) / linking or request
• 早めない — negative / don’t move it earlier / negative form
• 早めれば — if (someone) moves it earlier / conditional
• 早めろ・早めてみろ — move it earlier! / try doing it early! / imperative
• Other common forms
• 早めたい — want to move it earlier / 〜たい form
• 早められる — can be moved earlier; can be brought forward / potential / passive
• 早められた — was moved earlier; was brought forward / past passive
• 早められない — cannot be moved earlier / negative potential
• More
• 早めよう — let’s do it early / 〜よう form
• 早めなかった — didn’t do it early / past negative
• 早めている — is moving it earlier; is doing it ahead of time / progressive

早める is an ichidan (る-verb). Drop る and add endings like ます, た, て, ない. It’s used when you *intentionally* move something earlier — like a meeting or plan.

• Basic forms
• 早まる — to be moved earlier; to get ahead of schedule; to act rashly / base form
• 早まります — polite / it is moved earlier; things get rushed / masu form
• 早まった — past / was moved earlier; was rushed / ta form
• 早まって — te-form / being moved earlier; acting rashly (and …) / linking
• 早まらない — negative / does not get earlier; doesn’t get rushed / negative form
• 早まれば — if it gets moved earlier; if things get rushed / conditional
• 早まれ — (rare) get earlier! / don’t rush! / imperative
• Other common forms
• 早まった決断 — a hasty / rushed decision
• 早まりすぎる — to be too early; to be overly hasty
• More
• 早まってしまう — end up acting too quickly / end up rushing
• 早まらなかった — did not get moved earlier; was not rushed / past negative
• 早まっている — is being moved earlier; is becoming hasty / progressive

早まる is a godan (う-verb). The final る changes as 早まらない, 早まります, 早まった, 早まれば. It often appears in phrases like 早はやまった決断けつだん — “a rash decision.”