I may shell you may shell he may shell we may shell you may shell they may shell
Forme en V-ing
I may be shelling you may be shelling he may be shelling we may be shelling you may be shelling they may be shelling
Perfect
I may have shelled you may have shelled he may have shelled we may have shelled you may have shelled they may have shelled
Perfect en V-ing
I may have been shelling you may have been shelling he may have been shelling we may have been shelling you may have been shelling they may have been shelling
Négation
Forme simple
I may not shell you may not shell he may not shell we may not shell you may not shell they may not shell
Forme en V-ing
I may not be shelling you may not be shelling he may not be shelling we may not be shelling you may not be shelling they may not be shelling
Perfect
I may not have shelled you may not have shelled he may not have shelled we may not have shelled you may not have shelled they may not have shelled
Perfect en V-ing
I may not have been shelling you may not have been shelling he may not have been shelling we may not have been shelling you may not have been shelling they may not have been shelling
Forme interrogative
Forme simple
may I shell? may you shell? may he shell? may we shell? may you shell? may they shell?
Forme en V-ing
may I be shelling? may you be shelling? may he be shelling? may we be shelling? may you be shelling? may they be shelling?
Perfect
may I have shelled? may you have shelled? may he have shelled? may we have shelled? may you have shelled? may they have shelled?
Perfect en V-ing
may I have been shelling? may you have been shelling? may he have been shelling? may we have been shelling? may you have been shelling? may they have been shelling?
Forme interro-négative
Forme simple
may I not shell? may you not shell? may he not shell? may we not shell? may you not shell? may they not shell?
Forme en V-ing
may I not be shelling? may you not be shelling? may he not be shelling? may we not be shelling? may you not be shelling? may they not be shelling?
Perfect
may I not have shelled? may you not have shelled? may he not have shelled? may we not have shelled? may you not have shelled? may they not have shelled?
Perfect en V-ing
may I not have been shelling? may you not have been shelling? may he not have been shelling? may we not have been shelling? may you not have been shelling? may they not have been shelling?