• Basic forms
• 回る — to turn; to go around; to rotate / base form
• 回ります — (something) turns; goes around / masu form
• 回った — turned; went around / ta form
• 回って — turn and …; go around and … / te-form
• 回らない — does not turn / negative form
• 回れば — if (it) turns / conditional
• 回れ・回りなさい — turn!; go around! / imperative
• Other common forms
• 回りたい — want to go around / 〜たい form
• 回れる — can go around; can turn / potential
• 回れた — was able to turn / past potential
• 回れない — cannot turn / negative potential
• More
• 回ろう — let’s go around; let’s rotate / 〜よう form
• 回らなかった — didn’t turn / past negative
• 回っている — is turning; is rotating / progressive

回る（まわる） is a godan verb ending in る. Stem alternates as る → り → っ, producing forms like 回る・回ります・回って・回った. Used for physical rotation, going around places, or processes “making the rounds.”