Napped is the past participle; napping is the present participle.
Wrote is the past tense, written is the past participle, and writing is the present participle.
The present participle is writing.The past participle is written.
Tear (to destroy, separate):The past tense is tore.The past participle is torn.The present participle is tearing.Tear (to produce tears):The past tense is teared.The past participle is teared.The present participle is tearing.
Grown is the past participle. Growing is the present participle.
Erased is the past participle; erasing is the present participle.
Being is the present participle. The past participle is been.
talk is regular. The present participle is talking, the past participle is talked.
The present participle is beating. The past participle is beat.
Present participle - winding Past participle - winded
The present participle is "sowing" and the past participle is "sown".
Begun is the past participle, and beginning is the present participle.
Studied is the past participle of study. Studying is the present participle.
The present participle is hiding.The simple past tense is hid.The past participle is hidden.
Lead is present tense. The present participle is leading. Led is the past tense and past participle.
The past participle is come; the present participle is coming.
Falling is the present participle; fallen is the past participle.
The past participle is sworn. The present participle is swearing.