• Basic forms
• 回る — to turn; to go around; to rotate / base form
• 回ります — (it) turns; goes around / masu form
• 回った — turned; went around / ta form
• 回って — turning; go around and … / te-form
• 回らない — does not turn; won’t go around / negative
• 回れば — if (it) turns / conditional
• 回れ — turn!; go around! / imperative
• Other common forms
• 回りたい — want to go around / 〜たい
• 回れる — can turn; can go around / 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
• 回らなかった — didn’t turn / past negative
• 回っている — is turning; is going around / 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 rotation, “making the rounds,” or something going around in a cycle.

• Basic forms
• 回す — to turn; to spin; to rotate; to pass around / base form
• 回します — I turn/spin; I pass around / masu form
• 回した — turned/spun; passed around / ta form
• 回して — turn it; spin it; pass it around / te-form
• 回さない — don’t turn; won’t pass around / negative
• 回せば — if I turn/spin it / conditional
• 回せ — turn it!; pass it around! / imperative
• Other common forms
• 回したい — want to turn/spin / 〜たい
• 回せる — can turn/spin / potential
• 回せた — was able to turn/spin / past potential
• 回せない — cannot turn/spin / negative potential
• More
• 回そう — let’s turn it / 〜よう
• 回さなかった — didn’t turn/spin / past negative
• 回している — is turning/spinning (something) / progressive

回す（まわす） is a godan verb ending in す. It conjugates as す → し, with te/ta forms 回して・回した and negative 回さない. Often used when you actively rotate something, or “pass something around.”