For a regular verb let's use "answer". Present: answer, Past: answered, Past Participle: answered.
For an irregular verb let's use "run". Present: run, Past: ran, PP: run.
Present tense: "I write a letter." Past tense: "I wrote a letter." Past participle: "I have written a letter."
Present tense: lead Present participle: leading Past tense: led Past participle: led
Past tense: disappeared Present tense: disappear Past participle: disappeared
Present tense: strike Past tense: struck Past participle: struck
Present tense: am Past tense: was Past participle: been
Past tense: bit Present participle: biting Past participle: bitten
Present tense: lead Present participle: leading Past tense: led Past participle: led
Past tense: He cooked dinner last night. Present tense: He cooks dinner every evening. Past participle: He has cooked dinner for us many times. Future tense: He will cook dinner for us tomorrow.
Past tense: disappeared Present tense: disappear Past participle: disappeared
The past participle is done. The simple past tense is did. The present participle is doing.
The past tense and past participle is equipped; equipping is the present participle.
Present tense: strike Past tense: struck Past participle: struck
Present: seek Past: sought Past participle: sought
The past tense is brought. The past participle is brought. The present participle is bringing.
Present participle: pulling Past tense: pulled Past participle: pulled
Past tense: bit Present participle: biting Past participle: bitten
Wrote is the past tense, written is the past participle, and writing is the present participle.
The present tense is "catch/catches". The past tense and past participle is "caught".