'Discussion' is a noun, it doesn't have a past tense.
The past of 'discuss' is 'discussed'.
The past participle of "discussion" is "discussed."
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 "do" is "done." The past participle of "have" is "had."
The past participle of "am not" is "have not been."
End can be a noun.Example:The end of the story was sad.End can be a verb, as well.Example:I'll end the discussion now.
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 "am, are, is" is "been."
The past participle of "will" is "willed."
The past participle is thought.
The past participle of "to" is "been." The past participle of "be" is also "been."
Being is the present participle. The past participle is been.
The past tense and the past participle is "answered".