I may rebutton you may rebutton he may rebutton we may rebutton you may rebutton they may rebutton
V-ing form
I may be rebuttoning you may be rebuttoning he may be rebuttoning we may be rebuttoning you may be rebuttoning they may be rebuttoning
Perfect
I may have rebuttoned you may have rebuttoned he may have rebuttoned we may have rebuttoned you may have rebuttoned they may have rebuttoned
V-ing perfect
I may have been rebuttoning you may have been rebuttoning he may have been rebuttoning we may have been rebuttoning you may have been rebuttoning they may have been rebuttoning
Negation
Simple form
I mayn't rebutton you mayn't rebutton he mayn't rebutton we mayn't rebutton you mayn't rebutton they mayn't rebutton
V-ing form
I mayn't be rebuttoning you mayn't be rebuttoning he mayn't be rebuttoning we mayn't be rebuttoning you mayn't be rebuttoning they mayn't be rebuttoning
Perfect
I mayn't have rebuttoned you mayn't have rebuttoned he mayn't have rebuttoned we mayn't have rebuttoned you mayn't have rebuttoned they mayn't have rebuttoned
V-ing perfect
I mayn't have been rebuttoning you mayn't have been rebuttoning he mayn't have been rebuttoning we mayn't have been rebuttoning you mayn't have been rebuttoning they mayn't have been rebuttoning
Interrogative form
Simple form
may I rebutton? may you rebutton? may he rebutton? may we rebutton? may you rebutton? may they rebutton?
V-ing form
may I be rebuttoning? may you be rebuttoning? may he be rebuttoning? may we be rebuttoning? may you be rebuttoning? may they be rebuttoning?
Perfect
may I have rebuttoned? may you have rebuttoned? may he have rebuttoned? may we have rebuttoned? may you have rebuttoned? may they have rebuttoned?
V-ing perfect
may I have been rebuttoning? may you have been rebuttoning? may he have been rebuttoning? may we have been rebuttoning? may you have been rebuttoning? may they have been rebuttoning?
Interro-negative form
Simple form
mayn't I rebutton? mayn't you rebutton? mayn't he rebutton? mayn't we rebutton? mayn't you rebutton? mayn't they rebutton?
V-ing form
mayn't I be rebuttoning? mayn't you be rebuttoning? mayn't he be rebuttoning? mayn't we be rebuttoning? mayn't you be rebuttoning? mayn't they be rebuttoning?
Perfect
mayn't I have rebuttoned? mayn't you have rebuttoned? mayn't he have rebuttoned? mayn't we have rebuttoned? mayn't you have rebuttoned? mayn't they have rebuttoned?
V-ing perfect
mayn't I have been rebuttoning? mayn't you have been rebuttoning? mayn't he have been rebuttoning? mayn't we have been rebuttoning? mayn't you have been rebuttoning? mayn't they have been rebuttoning?