"Has chosen" is the present perfect tense.
Lead is present tense. The present participle is leading. Led is the past tense and past participle.
Simple past tense - chose. Past participle - chosen. Present tense - I/you/we/they choose. He/she/it chooses. The present participle is choosing. Future tense - Will choose.
The simple past tense is chose. The past participle is chosen.
Am is the present tense, first person singular conjugation of be. The past tense is was, and the past participle is been.
Strike is the present tense, and struck is the past tense and past participle.
Pulled is the past tense and past participle of pull. Pulling is the present participle.
The past tense is bit. The present participle is biting. The past participle is bitten.
The past tense and past participle is equipped; equipping is the present participle.
The past participle is done. The simple past tense is did. The present participle is doing.
Present tense - choose/chooses Present participle - choosing Past tense - chose Past Participle - chosen Future tense - will choose
The present tense is "come". The past participle is "come", as well. "Came" is the past tense.
Wrote is the past tense, written is the past participle, and writing is the present participle.