Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may reckon reckon you may reckon reckon he may reckon reckon we may reckon reckon you may reckon reckon they may reckon reckon
V-ing form
I may be reckon reckoning you may be reckon reckoning he may be reckon reckoning we may be reckon reckoning you may be reckon reckoning they may be reckon reckoning
Perfect
I may have reckon reckoned you may have reckon reckoned he may have reckon reckoned we may have reckon reckoned you may have reckon reckoned they may have reckon reckoned
V-ing perfect
I may have been reckon reckoning you may have been reckon reckoning he may have been reckon reckoning we may have been reckon reckoning you may have been reckon reckoning they may have been reckon reckoning
Negation
Simple form
I mayn't reckon reckon you mayn't reckon reckon he mayn't reckon reckon we mayn't reckon reckon you mayn't reckon reckon they mayn't reckon reckon
V-ing form
I mayn't be reckon reckoning you mayn't be reckon reckoning he mayn't be reckon reckoning we mayn't be reckon reckoning you mayn't be reckon reckoning they mayn't be reckon reckoning
Perfect
I mayn't have reckon reckoned you mayn't have reckon reckoned he mayn't have reckon reckoned we mayn't have reckon reckoned you mayn't have reckon reckoned they mayn't have reckon reckoned
V-ing perfect
I mayn't have been reckon reckoning you mayn't have been reckon reckoning he mayn't have been reckon reckoning we mayn't have been reckon reckoning you mayn't have been reckon reckoning they mayn't have been reckon reckoning
Interrogative form
Simple form
may I reckon reckon? may you reckon reckon? may he reckon reckon? may we reckon reckon? may you reckon reckon? may they reckon reckon?
V-ing form
may I be reckon reckoning? may you be reckon reckoning? may he be reckon reckoning? may we be reckon reckoning? may you be reckon reckoning? may they be reckon reckoning?
Perfect
may I have reckon reckoned? may you have reckon reckoned? may he have reckon reckoned? may we have reckon reckoned? may you have reckon reckoned? may they have reckon reckoned?
V-ing perfect
may I have been reckon reckoning? may you have been reckon reckoning? may he have been reckon reckoning? may we have been reckon reckoning? may you have been reckon reckoning? may they have been reckon reckoning?
Interro-negative form
Simple form
mayn't I reckon reckon? mayn't you reckon reckon? mayn't he reckon reckon? mayn't we reckon reckon? mayn't you reckon reckon? mayn't they reckon reckon?
V-ing form
mayn't I be reckon reckoning? mayn't you be reckon reckoning? mayn't he be reckon reckoning? mayn't we be reckon reckoning? mayn't you be reckon reckoning? mayn't they be reckon reckoning?
Perfect
mayn't I have reckon reckoned? mayn't you have reckon reckoned? mayn't he have reckon reckoned? mayn't we have reckon reckoned? mayn't you have reckon reckoned? mayn't they have reckon reckoned?
V-ing perfect
mayn't I have been reckon reckoning? mayn't you have been reckon reckoning? mayn't he have been reckon reckoning? mayn't we have been reckon reckoning? mayn't you have been reckon reckoning? mayn't they have been reckon reckoning?