I may button you may button she may button we may button you may button they may button
Forme en V-ing
I may be buttoning you may be buttoning she may be buttoning we may be buttoning you may be buttoning they may be buttoning
Perfect
I may have buttoned you may have buttoned she may have buttoned we may have buttoned you may have buttoned they may have buttoned
Perfect en V-ing
I may have been buttoning you may have been buttoning she may have been buttoning we may have been buttoning you may have been buttoning they may have been buttoning
Négation
Forme simple
I mayn't button you mayn't button she mayn't button we mayn't button you mayn't button they mayn't button
Forme en V-ing
I mayn't be buttoning you mayn't be buttoning she mayn't be buttoning we mayn't be buttoning you mayn't be buttoning they mayn't be buttoning
Perfect
I mayn't have buttoned you mayn't have buttoned she mayn't have buttoned we mayn't have buttoned you mayn't have buttoned they mayn't have buttoned
Perfect en V-ing
I mayn't have been buttoning you mayn't have been buttoning she mayn't have been buttoning we mayn't have been buttoning you mayn't have been buttoning they mayn't have been buttoning
Forme interrogative
Forme simple
may I button? may you button? may she button? may we button? may you button? may they button?
Forme en V-ing
may I be buttoning? may you be buttoning? may she be buttoning? may we be buttoning? may you be buttoning? may they be buttoning?
Perfect
may I have buttoned? may you have buttoned? may she have buttoned? may we have buttoned? may you have buttoned? may they have buttoned?
Perfect en V-ing
may I have been buttoning? may you have been buttoning? may she have been buttoning? may we have been buttoning? may you have been buttoning? may they have been buttoning?
Forme interro-négative
Forme simple
mayn't I button? mayn't you button? mayn't she button? mayn't we button? mayn't you button? mayn't they button?
Forme en V-ing
mayn't I be buttoning? mayn't you be buttoning? mayn't she be buttoning? mayn't we be buttoning? mayn't you be buttoning? mayn't they be buttoning?
Perfect
mayn't I have buttoned? mayn't you have buttoned? mayn't she have buttoned? mayn't we have buttoned? mayn't you have buttoned? mayn't they have buttoned?
Perfect en V-ing
mayn't I have been buttoning? mayn't you have been buttoning? mayn't she have been buttoning? mayn't we have been buttoning? mayn't you have been buttoning? mayn't they have been buttoning?