The past tense of suspend is suspended.
The past participle of am is been. Not does not have a past participle
The past participle of have is had....:) I have had...
The past participle is had.
The past tense and the past participle is "answered".
The past participle of buy is bought.
"Sold" does not have any past participle; it is the past participle of "sell".
There is no past participle of knowing.Knowing is the present participle of know. The past participle of know is known
The past participle is been.Was and were are the past tense forms of the verb "to be."
The past tense is was or were.The past participle is been.
Present participle - developing. Simple past - developed. Past participle - developed.
Done is the past participle of do.