I could coexist you could coexist she could coexist we could coexist you could coexist they could coexist
Forme en V-ing
I could be coexisting you could be coexisting she could be coexisting we could be coexisting you could be coexisting they could be coexisting
Perfect
I could have coexisted you could have coexisted she 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 she could have been coexisting we could have been coexisting you could have been coexisting they could have been coexisting
Négation
Forme simple
I couldn't coexist you couldn't coexist she couldn't coexist we couldn't coexist you couldn't coexist they couldn't coexist
Forme en V-ing
I couldn't be coexisting you couldn't be coexisting she couldn't be coexisting we couldn't be coexisting you couldn't be coexisting they couldn't be coexisting
Perfect
I couldn't have coexisted you couldn't have coexisted she couldn't have coexisted we couldn't have coexisted you couldn't have coexisted they couldn't have coexisted
Perfect en V-ing
I couldn't have been coexisting you couldn't have been coexisting she couldn't have been coexisting we couldn't have been coexisting you couldn't have been coexisting they couldn't have been coexisting
Forme interrogative
Forme simple
could I coexist? could you coexist? could she coexist? could we coexist? could you coexist? could they coexist?
Forme en V-ing
could I be coexisting? could you be coexisting? could she be coexisting? could we be coexisting? could you be coexisting? could they be coexisting?
Perfect
could I have coexisted? could you have coexisted? could she 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 she have been coexisting? could we have been coexisting? could you have been coexisting? could they have been coexisting?
Forme interro-négative
Forme simple
couldn't I coexist? couldn't you coexist? couldn't she coexist? couldn't we coexist? couldn't you coexist? couldn't they coexist?
Forme en V-ing
couldn't I be coexisting? couldn't you be coexisting? couldn't she be coexisting? couldn't we be coexisting? couldn't you be coexisting? couldn't they be coexisting?
Perfect
couldn't I have coexisted? couldn't you have coexisted? couldn't she have coexisted? couldn't we have coexisted? couldn't you have coexisted? couldn't they have coexisted?
Perfect en V-ing
couldn't I have been coexisting? couldn't you have been coexisting? couldn't she have been coexisting? couldn't we have been coexisting? couldn't you have been coexisting? couldn't they have been coexisting?