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