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 mayn't quell you mayn't quell he mayn't quell we mayn't quell you mayn't quell they mayn't quell
V-ing form
I mayn't be quelling you mayn't be quelling he mayn't be quelling we mayn't be quelling you mayn't be quelling they mayn't be quelling
Perfect
I mayn't have quelled you mayn't have quelled he mayn't have quelled we mayn't have quelled you mayn't have quelled they mayn't have quelled
V-ing perfect
I mayn't have been quelling you mayn't have been quelling he mayn't have been quelling we mayn't have been quelling you mayn't have been quelling they mayn't 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
mayn't I quell? mayn't you quell? mayn't he quell? mayn't we quell? mayn't you quell? mayn't they quell?
V-ing form
mayn't I be quelling? mayn't you be quelling? mayn't he be quelling? mayn't we be quelling? mayn't you be quelling? mayn't they be quelling?
Perfect
mayn't I have quelled? mayn't you have quelled? mayn't he have quelled? mayn't we have quelled? mayn't you have quelled? mayn't they have quelled?
V-ing perfect
mayn't I have been quelling? mayn't you have been quelling? mayn't he have been quelling? mayn't we have been quelling? mayn't you have been quelling? mayn't they have been quelling?