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