Studied is the past participle of study. Studying is the present participle.
Present: study Past: studied Past participle: studied
Present: I/You/We/They study. He/She/It studies. The present participle is studying.
Simple past: studied.
Past participle: studied.
Being is the present participle. The past participle is been.
Present participle: talking Past participle: talked
The present participle of "sow" is "sowing," and the past participle is "sown."
The present participle of beat is beating, and the past participle is beaten.
The past participle of "begin" is "begun" and the present participle is "beginning."
Being is the present participle. The past participle is been.
Present participle: talking Past participle: talked
The present participle of "sow" is "sowing," and the past participle is "sown."
The present participle of beat is beating, and the past participle is beaten.
The past participle of "begin" is "begun" and the present participle is "beginning."
Present participle: hiding Past: hid Past participle: hidden
Present tense: lead Present participle: leading Past tense: led Past participle: led
The past participle of "become" is "became" and the present participle is "becoming."
The past participle for "come" is "come" and the present participle is "coming."
The past participle of "fall" is "fallen" and the present participle is "falling."
The past participle for "swear" is "sworn" and the present participle is "swearing".
Present participle: developing Past form: developed Past participle: developed