I could coexist you could coexist he could coexist we could coexist you could coexist they could coexist
Forme en V-ing
I could be coexisting you could be coexisting he could be coexisting we could be coexisting you could be coexisting they could be coexisting
Perfect
I could have coexisted you could have coexisted he could have coexisted we could have coexisted you could have coexisted they could have coexisted
Perfect en V-ing
I could have been coexisting you could have been coexisting he could have been coexisting we could have been coexisting you could have been coexisting they could have been coexisting
Négation
Forme simple
I could not coexist you could not coexist he could not coexist we could not coexist you could not coexist they could not coexist
Forme en V-ing
I could not be coexisting you could not be coexisting he could not be coexisting we could not be coexisting you could not be coexisting they could not be coexisting
Perfect
I could not have coexisted you could not have coexisted he could not have coexisted we could not have coexisted you could not have coexisted they could not have coexisted
Perfect en V-ing
I could not have been coexisting you could not have been coexisting he could not have been coexisting we could not have been coexisting you could not have been coexisting they could not have been coexisting
Forme interrogative
Forme simple
could I coexist? could you coexist? could he coexist? could we coexist? could you coexist? could they coexist?
Forme en V-ing
could I be coexisting? could you be coexisting? could he be coexisting? could we be coexisting? could you be coexisting? could they be coexisting?
Perfect
could I have coexisted? could you have coexisted? could he have coexisted? could we have coexisted? could you have coexisted? could they have coexisted?
Perfect en V-ing
could I have been coexisting? could you have been coexisting? could he have been coexisting? could we have been coexisting? could you have been coexisting? could they have been coexisting?
Forme interro-négative
Forme simple
could I not coexist? could you not coexist? could he not coexist? could we not coexist? could you not coexist? could they not coexist?
Forme en V-ing
could I not be coexisting? could you not be coexisting? could he not be coexisting? could we not be coexisting? could you not be coexisting? could they not be coexisting?
Perfect
could I not have coexisted? could you not have coexisted? could he not have coexisted? could we not have coexisted? could you not have coexisted? could they not have coexisted?
Perfect en V-ing
could I not have been coexisting? could you not have been coexisting? could he not have been coexisting? could we not have been coexisting? could you not have been coexisting? could they not have been coexisting?