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