I may helve you may helve he may helve we may helve you may helve they may helve
Forme en V-ing
I may be helving you may be helving he may be helving we may be helving you may be helving they may be helving
Perfect
I may have helved you may have helved he may have helved we may have helved you may have helved they may have helved
Perfect en V-ing
I may have been helving you may have been helving he may have been helving we may have been helving you may have been helving they may have been helving
Négation
Forme simple
I may not helve you may not helve he may not helve we may not helve you may not helve they may not helve
Forme en V-ing
I may not be helving you may not be helving he may not be helving we may not be helving you may not be helving they may not be helving
Perfect
I may not have helved you may not have helved he may not have helved we may not have helved you may not have helved they may not have helved
Perfect en V-ing
I may not have been helving you may not have been helving he may not have been helving we may not have been helving you may not have been helving they may not have been helving
Forme interrogative
Forme simple
may I helve? may you helve? may he helve? may we helve? may you helve? may they helve?
Forme en V-ing
may I be helving? may you be helving? may he be helving? may we be helving? may you be helving? may they be helving?
Perfect
may I have helved? may you have helved? may he have helved? may we have helved? may you have helved? may they have helved?
Perfect en V-ing
may I have been helving? may you have been helving? may he have been helving? may we have been helving? may you have been helving? may they have been helving?
Forme interro-négative
Forme simple
may I not helve? may you not helve? may he not helve? may we not helve? may you not helve? may they not helve?
Forme en V-ing
may I not be helving? may you not be helving? may he not be helving? may we not be helving? may you not be helving? may they not be helving?
Perfect
may I not have helved? may you not have helved? may he not have helved? may we not have helved? may you not have helved? may they not have helved?
Perfect en V-ing
may I not have been helving? may you not have been helving? may he not have been helving? may we not have been helving? may you not have been helving? may they not have been helving?