It is "attacked"
The simple past tense (and also the past participle) is attacked.
The past participle is withstood.
The past participle is battled. This is also the case for the simple past tense.
marched
The word 'flanked' is the past participle, past tense of the verb to flank, meaning to be situated on each side of or on one side of someone or something.Example: The celebrity was flanked by security guards.The past participle of the verb also functions as an adjective.Example: The paparazzi could not get close to the flanked celebrity.
Attacked is the past participle of attack.
The simple past tense (and also the past participle) is attacked.
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
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 of "to" is "been." The past participle of "be" is also "been."
The past tense and the past participle is "answered".
The past tense of "have" is "had," and the past participle is also "had."
The past and past participle for "buy" is "bought."
"Sold" does not have any past participle; it is the past participle of "sell".