I could quell you could quell he could quell we could quell you could quell they could quell
Forme en V-ing
I could be quelling you could be quelling he could be quelling we could be quelling you could be quelling they could be quelling
Perfect
I could have quelled you could have quelled he could have quelled we could have quelled you could have quelled they could have quelled
Perfect en V-ing
I could have been quelling you could have been quelling he could have been quelling we could have been quelling you could have been quelling they could have been quelling
Négation
Forme simple
I couldn't quell you couldn't quell he couldn't quell we couldn't quell you couldn't quell they couldn't quell
Forme en V-ing
I couldn't be quelling you couldn't be quelling he couldn't be quelling we couldn't be quelling you couldn't be quelling they couldn't be quelling
Perfect
I couldn't have quelled you couldn't have quelled he couldn't have quelled we couldn't have quelled you couldn't have quelled they couldn't have quelled
Perfect en V-ing
I couldn't have been quelling you couldn't have been quelling he couldn't have been quelling we couldn't have been quelling you couldn't have been quelling they couldn't have been quelling
Forme interrogative
Forme simple
could I quell? could you quell? could he quell? could we quell? could you quell? could they quell?
Forme en V-ing
could I be quelling? could you be quelling? could he be quelling? could we be quelling? could you be quelling? could they be quelling?
Perfect
could I have quelled? could you have quelled? could he have quelled? could we have quelled? could you have quelled? could they have quelled?
Perfect en V-ing
could I have been quelling? could you have been quelling? could he have been quelling? could we have been quelling? could you have been quelling? could they have been quelling?
Forme interro-négative
Forme simple
couldn't I quell? couldn't you quell? couldn't he quell? couldn't we quell? couldn't you quell? couldn't they quell?
Forme en V-ing
couldn't I be quelling? couldn't you be quelling? couldn't he be quelling? couldn't we be quelling? couldn't you be quelling? couldn't they be quelling?
Perfect
couldn't I have quelled? couldn't you have quelled? couldn't he have quelled? couldn't we have quelled? couldn't you have quelled? couldn't they have quelled?
Perfect en V-ing
couldn't I have been quelling? couldn't you have been quelling? couldn't he have been quelling? couldn't we have been quelling? couldn't you have been quelling? couldn't they have been quelling?