The past participle of "run" is "run", and the past tense is "ran".
The past tense of "fall" is "fell", and the past participle is "fallen".
The past tense of "know" is "knew", and the past participle is "known".
Past tense of "wear" is "wore." The past participle is "worn."
The past tense of "hear" is "heard" and the past participle is also "heard."
The past tense of "lead" is "led," and the past participle is also "led."
The past tense of "fall" is "fell", and the past participle is "fallen".
The past tense of "know" is "knew", and the past participle is "known".
Past tense of "wear" is "wore." The past participle is "worn."
The past tense of "grow" is "grew" and the participle is "grown."
The past tense of "hear" is "heard" and the past participle is also "heard."
The past tense of "lead" is "led," and the past participle is also "led."
The past tense of "build" is "built" and the past participle is also "built."
The past participle of "steal" is "stolen." The past tense of "steal" is also "stole."
The past participle of "run" is "run."
Running doesn't have a past participle. Running is the present participle of run. Ran is the past participle of run
Run base verb is run past verb in ran past participle is run
infinitive: run past: ran past participle: run