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