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 may not sift you may not sift she may not sift we may not sift you may not sift they may not sift
Forme en V-ing
I may not be sifting you may not be sifting she may not be sifting we may not be sifting you may not be sifting they may not be sifting
Perfect
I may not have sifted you may not have sifted she may not have sifted we may not have sifted you may not have sifted they may not have sifted
Perfect en V-ing
I may not have been sifting you may not have been sifting she may not have been sifting we may not have been sifting you may not have been sifting they may not 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
may I not sift? may you not sift? may she not sift? may we not sift? may you not sift? may they not sift?
Forme en V-ing
may I not be sifting? may you not be sifting? may she not be sifting? may we not be sifting? may you not be sifting? may they not be sifting?
Perfect
may I not have sifted? may you not have sifted? may she not have sifted? may we not have sifted? may you not have sifted? may they not have sifted?
Perfect en V-ing
may I not have been sifting? may you not have been sifting? may she not have been sifting? may we not have been sifting? may you not have been sifting? may they not have been sifting?