I could endorse you could endorse he could endorse we could endorse you could endorse they could endorse
Forme en V-ing
I could be endorsing you could be endorsing he could be endorsing we could be endorsing you could be endorsing they could be endorsing
Perfect
I could have endorsed you could have endorsed he could have endorsed we could have endorsed you could have endorsed they could have endorsed
Perfect en V-ing
I could have been endorsing you could have been endorsing he could have been endorsing we could have been endorsing you could have been endorsing they could have been endorsing
Négation
Forme simple
I couldn't endorse you couldn't endorse he couldn't endorse we couldn't endorse you couldn't endorse they couldn't endorse
Forme en V-ing
I couldn't be endorsing you couldn't be endorsing he couldn't be endorsing we couldn't be endorsing you couldn't be endorsing they couldn't be endorsing
Perfect
I couldn't have endorsed you couldn't have endorsed he couldn't have endorsed we couldn't have endorsed you couldn't have endorsed they couldn't have endorsed
Perfect en V-ing
I couldn't have been endorsing you couldn't have been endorsing he couldn't have been endorsing we couldn't have been endorsing you couldn't have been endorsing they couldn't have been endorsing
Forme interrogative
Forme simple
could I endorse? could you endorse? could he endorse? could we endorse? could you endorse? could they endorse?
Forme en V-ing
could I be endorsing? could you be endorsing? could he be endorsing? could we be endorsing? could you be endorsing? could they be endorsing?
Perfect
could I have endorsed? could you have endorsed? could he have endorsed? could we have endorsed? could you have endorsed? could they have endorsed?
Perfect en V-ing
could I have been endorsing? could you have been endorsing? could he have been endorsing? could we have been endorsing? could you have been endorsing? could they have been endorsing?
Forme interro-négative
Forme simple
couldn't I endorse? couldn't you endorse? couldn't he endorse? couldn't we endorse? couldn't you endorse? couldn't they endorse?
Forme en V-ing
couldn't I be endorsing? couldn't you be endorsing? couldn't he be endorsing? couldn't we be endorsing? couldn't you be endorsing? couldn't they be endorsing?
Perfect
couldn't I have endorsed? couldn't you have endorsed? couldn't he have endorsed? couldn't we have endorsed? couldn't you have endorsed? couldn't they have endorsed?
Perfect en V-ing
couldn't I have been endorsing? couldn't you have been endorsing? couldn't he have been endorsing? couldn't we have been endorsing? couldn't you have been endorsing? couldn't they have been endorsing?