Conjugaison du verbe anglais
COULD DEMONSTRATE

Verbe régulier : demonstrate - demonstrated - demonstrated
Traduction française : démontrer - manifester

Affirmation

Forme simple	Forme en V-ing
I could demonstrate you could demonstrate he could demonstrate we could demonstrate you could demonstrate they could demonstrate	I could be demonstrating you could be demonstrating he could be demonstrating we could be demonstrating you could be demonstrating they could be demonstrating
Perfect	Perfect en V-ing
I could have demonstrated you could have demonstrated he could have demonstrated we could have demonstrated you could have demonstrated they could have demonstrated	I could have been demonstrating you could have been demonstrating he could have been demonstrating we could have been demonstrating you could have been demonstrating they could have been demonstrating

Négation

Forme simple	Forme en V-ing
I couldn't demonstrate you couldn't demonstrate he couldn't demonstrate we couldn't demonstrate you couldn't demonstrate they couldn't demonstrate	I couldn't be demonstrating you couldn't be demonstrating he couldn't be demonstrating we couldn't be demonstrating you couldn't be demonstrating they couldn't be demonstrating
Perfect	Perfect en V-ing
I couldn't have demonstrated you couldn't have demonstrated he couldn't have demonstrated we couldn't have demonstrated you couldn't have demonstrated they couldn't have demonstrated	I couldn't have been demonstrating you couldn't have been demonstrating he couldn't have been demonstrating we couldn't have been demonstrating you couldn't have been demonstrating they couldn't have been demonstrating

Forme interrogative

Forme simple	Forme en V-ing
could I demonstrate? could you demonstrate? could he demonstrate? could we demonstrate? could you demonstrate? could they demonstrate?	could I be demonstrating? could you be demonstrating? could he be demonstrating? could we be demonstrating? could you be demonstrating? could they be demonstrating?
Perfect	Perfect en V-ing
could I have demonstrated? could you have demonstrated? could he have demonstrated? could we have demonstrated? could you have demonstrated? could they have demonstrated?	could I have been demonstrating? could you have been demonstrating? could he have been demonstrating? could we have been demonstrating? could you have been demonstrating? could they have been demonstrating?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I demonstrate? couldn't you demonstrate? couldn't he demonstrate? couldn't we demonstrate? couldn't you demonstrate? couldn't they demonstrate?	couldn't I be demonstrating? couldn't you be demonstrating? couldn't he be demonstrating? couldn't we be demonstrating? couldn't you be demonstrating? couldn't they be demonstrating?
Perfect	Perfect en V-ing
couldn't I have demonstrated? couldn't you have demonstrated? couldn't he have demonstrated? couldn't we have demonstrated? couldn't you have demonstrated? couldn't they have demonstrated?	couldn't I have been demonstrating? couldn't you have been demonstrating? couldn't he have been demonstrating? couldn't we have been demonstrating? couldn't you have been demonstrating? couldn't they have been demonstrating?