Mercy isn't a verb, so it doesn't have a past tense.
Mercy is a noun, not a verb, so there is no past tense. You could say 'had mercy' which would be in the past tense.
it´s not a verb so there is no past tense.
The past tense is battled.
The past tense is marauded.
The past tense of campaign is campaigned.
Mercy is a noun, not a verb, so there is no past tense. You could say 'had mercy' which would be in the past tense.
have in past tense is had
The past tense of "have" is "had."
The past tense of have is had.
The past tense of 'spell' is 'spelled'. 'Spelt' is also used in British English.
The past tense of "settle" is spelled as "settled".
The past tense is benefited.
The past tense is traveled.
The past tense is coasted.
The past tense is paddled.
The past tense is fared.
The past tense of discuss is discussed.