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