I may substitute you may substitute she may substitute we may substitute you may substitute they may substitute
Forme en V-ing
I may be substituting you may be substituting she may be substituting we may be substituting you may be substituting they may be substituting
Perfect
I may have substituted you may have substituted she may have substituted we may have substituted you may have substituted they may have substituted
Perfect en V-ing
I may have been substituting you may have been substituting she may have been substituting we may have been substituting you may have been substituting they may have been substituting
Négation
Forme simple
I may not substitute you may not substitute she may not substitute we may not substitute you may not substitute they may not substitute
Forme en V-ing
I may not be substituting you may not be substituting she may not be substituting we may not be substituting you may not be substituting they may not be substituting
Perfect
I may not have substituted you may not have substituted she may not have substituted we may not have substituted you may not have substituted they may not have substituted
Perfect en V-ing
I may not have been substituting you may not have been substituting she may not have been substituting we may not have been substituting you may not have been substituting they may not have been substituting
Forme interrogative
Forme simple
may I substitute? may you substitute? may she substitute? may we substitute? may you substitute? may they substitute?
Forme en V-ing
may I be substituting? may you be substituting? may she be substituting? may we be substituting? may you be substituting? may they be substituting?
Perfect
may I have substituted? may you have substituted? may she have substituted? may we have substituted? may you have substituted? may they have substituted?
Perfect en V-ing
may I have been substituting? may you have been substituting? may she have been substituting? may we have been substituting? may you have been substituting? may they have been substituting?
Forme interro-négative
Forme simple
may I not substitute? may you not substitute? may she not substitute? may we not substitute? may you not substitute? may they not substitute?
Forme en V-ing
may I not be substituting? may you not be substituting? may she not be substituting? may we not be substituting? may you not be substituting? may they not be substituting?
Perfect
may I not have substituted? may you not have substituted? may she not have substituted? may we not have substituted? may you not have substituted? may they not have substituted?
Perfect en V-ing
may I not have been substituting? may you not have been substituting? may she not have been substituting? may we not have been substituting? may you not have been substituting? may they not have been substituting?