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 may not rebutton you may not rebutton he may not rebutton we may not rebutton you may not rebutton they may not rebutton
V-ing form
I may not be rebuttoning you may not be rebuttoning he may not be rebuttoning we may not be rebuttoning you may not be rebuttoning they may not be rebuttoning
Perfect
I may not have rebuttoned you may not have rebuttoned he may not have rebuttoned we may not have rebuttoned you may not have rebuttoned they may not have rebuttoned
V-ing perfect
I may not have been rebuttoning you may not have been rebuttoning he may not have been rebuttoning we may not have been rebuttoning you may not have been rebuttoning they may not 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
may I not rebutton? may you not rebutton? may he not rebutton? may we not rebutton? may you not rebutton? may they not rebutton?
V-ing form
may I not be rebuttoning? may you not be rebuttoning? may he not be rebuttoning? may we not be rebuttoning? may you not be rebuttoning? may they not be rebuttoning?
Perfect
may I not have rebuttoned? may you not have rebuttoned? may he not have rebuttoned? may we not have rebuttoned? may you not have rebuttoned? may they not have rebuttoned?
V-ing perfect
may I not have been rebuttoning? may you not have been rebuttoning? may he not have been rebuttoning? may we not have been rebuttoning? may you not have been rebuttoning? may they not have been rebuttoning?