Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could note sth you could note sth he could note sth we could note sth you could note sth they could note sth
Forme en V-ing
I could be note sthing you could be note sthing he could be note sthing we could be note sthing you could be note sthing they could be note sthing
Perfect
I could have note sthed you could have note sthed he could have note sthed we could have note sthed you could have note sthed they could have note sthed
Perfect en V-ing
I could have been note sthing you could have been note sthing he could have been note sthing we could have been note sthing you could have been note sthing they could have been note sthing
Négation
Forme simple
I couldn't note sth you couldn't note sth he couldn't note sth we couldn't note sth you couldn't note sth they couldn't note sth
Forme en V-ing
I couldn't be note sthing you couldn't be note sthing he couldn't be note sthing we couldn't be note sthing you couldn't be note sthing they couldn't be note sthing
Perfect
I couldn't have note sthed you couldn't have note sthed he couldn't have note sthed we couldn't have note sthed you couldn't have note sthed they couldn't have note sthed
Perfect en V-ing
I couldn't have been note sthing you couldn't have been note sthing he couldn't have been note sthing we couldn't have been note sthing you couldn't have been note sthing they couldn't have been note sthing
Forme interrogative
Forme simple
could I note sth? could you note sth? could he note sth? could we note sth? could you note sth? could they note sth?
Forme en V-ing
could I be note sthing? could you be note sthing? could he be note sthing? could we be note sthing? could you be note sthing? could they be note sthing?
Perfect
could I have note sthed? could you have note sthed? could he have note sthed? could we have note sthed? could you have note sthed? could they have note sthed?
Perfect en V-ing
could I have been note sthing? could you have been note sthing? could he have been note sthing? could we have been note sthing? could you have been note sthing? could they have been note sthing?
Forme interro-négative
Forme simple
couldn't I note sth? couldn't you note sth? couldn't he note sth? couldn't we note sth? couldn't you note sth? couldn't they note sth?
Forme en V-ing
couldn't I be note sthing? couldn't you be note sthing? couldn't he be note sthing? couldn't we be note sthing? couldn't you be note sthing? couldn't they be note sthing?
Perfect
couldn't I have note sthed? couldn't you have note sthed? couldn't he have note sthed? couldn't we have note sthed? couldn't you have note sthed? couldn't they have note sthed?
Perfect en V-ing
couldn't I have been note sthing? couldn't you have been note sthing? couldn't he have been note sthing? couldn't we have been note sthing? couldn't you have been note sthing? couldn't they have been note sthing?