The past tense of "hear" is "heard" and the past participle is also "heard."
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".
The past participle of "run" is "run", and the past tense is "ran".
Past tense of "wear" is "wore." The past participle is "worn."
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".
The past participle of "run" is "run", and the past tense is "ran".
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 "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."
Heard is the past participle of hear.
hear ---- present hearing ---- present participle heard ---- past heard ---- past participle
The past participle of hear is heard. Past participles are words formed from verbs which can be used as adjectives.
The past participle of "hear" is "heard."