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