I may quell you may quell he may quell we may quell you may quell they may quell
V-ing form
I may be quelling you may be quelling he may be quelling we may be quelling you may be quelling they may be quelling
Perfect
I may have quelled you may have quelled he may have quelled we may have quelled you may have quelled they may have quelled
V-ing perfect
I may have been quelling you may have been quelling he may have been quelling we may have been quelling you may have been quelling they may have been quelling
Negation
Simple form
I may not quell you may not quell he may not quell we may not quell you may not quell they may not quell
V-ing form
I may not be quelling you may not be quelling he may not be quelling we may not be quelling you may not be quelling they may not be quelling
Perfect
I may not have quelled you may not have quelled he may not have quelled we may not have quelled you may not have quelled they may not have quelled
V-ing perfect
I may not have been quelling you may not have been quelling he may not have been quelling we may not have been quelling you may not have been quelling they may not have been quelling
Interrogative form
Simple form
may I quell? may you quell? may he quell? may we quell? may you quell? may they quell?
V-ing form
may I be quelling? may you be quelling? may he be quelling? may we be quelling? may you be quelling? may they be quelling?
Perfect
may I have quelled? may you have quelled? may he have quelled? may we have quelled? may you have quelled? may they have quelled?
V-ing perfect
may I have been quelling? may you have been quelling? may he have been quelling? may we have been quelling? may you have been quelling? may they have been quelling?
Interro-negative form
Simple form
may I not quell? may you not quell? may he not quell? may we not quell? may you not quell? may they not quell?
V-ing form
may I not be quelling? may you not be quelling? may he not be quelling? may we not be quelling? may you not be quelling? may they not be quelling?
Perfect
may I not have quelled? may you not have quelled? may he not have quelled? may we not have quelled? may you not have quelled? may they not have quelled?
V-ing perfect
may I not have been quelling? may you not have been quelling? may he not have been quelling? may we not have been quelling? may you not have been quelling? may they not have been quelling?