prove and proved
Proved is the simple past and past participle of the verb prove.
The participle forms of "prove" are "proved" and "proven."
The past participle of "prove" is "proved" in British English and "proven" in American English.
Proving is the present participle of prove.
The past participle of "do" is "done." The past participle of "have" is "had."
The past participle of "am not" is "have not been."
The past participle of "do" is "done."
The past tense of "have" is "had," and the past participle is also "had."
The past participle of the word "have" is "had."
The past participle of "will" is "willed."
The past participle of "am, are, is" is "been."
The past participle is thought.