If you mean "What tense is created by using 'have' plus the past participle?", the answer is "the perfect tense". For example "We have been into town this afternoon."
If you mean something else, please rewrite your question more helpfully. A string of four words followed by a question mark does not necessarily amount to a comprehensible question.
The past participle of do is done. The past participle of have is had.
The past participle of am is been. Not does not have a past participle
What is the past participle of do
The past participle of have is had....:) I have had...
The past participle is had.
Yes you can.
The past participle of do is done. The past participle of have is had.
The past participle of am is been. Not does not have a past participle
What is the past participle of do
The past participle of have is had....:) I have had...
The past participle is been.
The past participle is willed.
The past participle is had.
The past participle is thought.
Being is the present participle. The past participle is been.
To isn't a verb and so doesn't have a past participle. The past participle of be is been.
The past tense and the past participle is "answered".