The past tense of "believe" is "believed" and the past participle is also "believed."
I believe the past participle of hide is "hidden".
The past form of dream is dreamed, and the past participle is also dreamed.
The past participle of am is been. Not does not have a past participle
Yes it is. 'Believe' is a regular verb. Simple past and past participle forms: Believed.
The past participle of "do" is "done." The past participle of "have" is "had."
The past participle of the word "have" is "had."
The past tense and the past participle is "answered".
The past tense of "have" is "had," and the past participle is also "had."
Participles often end with '-ed', '-en', or '-ing'. There are several other common participle suffixes, but I can not recall them off the top of my head. The past participle is, I believe, "seemed."
I believe it is sprung, as in 'He had sprung into action.' The simple past tense of "spring" is "sprang".
The past and past participle for "buy" is "bought."