Conjugaison du verbe anglais
COULD DECUPLE

Verbe régulier : decuple - decupled - decupled

Affirmation

Forme simple	Forme en V-ing
I could decuple you could decuple he could decuple we could decuple you could decuple they could decuple	I could be decupling you could be decupling he could be decupling we could be decupling you could be decupling they could be decupling
Perfect	Perfect en V-ing
I could have decupled you could have decupled he could have decupled we could have decupled you could have decupled they could have decupled	I could have been decupling you could have been decupling he could have been decupling we could have been decupling you could have been decupling they could have been decupling

Négation

Forme simple	Forme en V-ing
I couldn't decuple you couldn't decuple he couldn't decuple we couldn't decuple you couldn't decuple they couldn't decuple	I couldn't be decupling you couldn't be decupling he couldn't be decupling we couldn't be decupling you couldn't be decupling they couldn't be decupling
Perfect	Perfect en V-ing
I couldn't have decupled you couldn't have decupled he couldn't have decupled we couldn't have decupled you couldn't have decupled they couldn't have decupled	I couldn't have been decupling you couldn't have been decupling he couldn't have been decupling we couldn't have been decupling you couldn't have been decupling they couldn't have been decupling

Forme interrogative

Forme simple	Forme en V-ing
could I decuple? could you decuple? could he decuple? could we decuple? could you decuple? could they decuple?	could I be decupling? could you be decupling? could he be decupling? could we be decupling? could you be decupling? could they be decupling?
Perfect	Perfect en V-ing
could I have decupled? could you have decupled? could he have decupled? could we have decupled? could you have decupled? could they have decupled?	could I have been decupling? could you have been decupling? could he have been decupling? could we have been decupling? could you have been decupling? could they have been decupling?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I decuple? couldn't you decuple? couldn't he decuple? couldn't we decuple? couldn't you decuple? couldn't they decuple?	couldn't I be decupling? couldn't you be decupling? couldn't he be decupling? couldn't we be decupling? couldn't you be decupling? couldn't they be decupling?
Perfect	Perfect en V-ing
couldn't I have decupled? couldn't you have decupled? couldn't he have decupled? couldn't we have decupled? couldn't you have decupled? couldn't they have decupled?	couldn't I have been decupling? couldn't you have been decupling? couldn't he have been decupling? couldn't we have been decupling? couldn't you have been decupling? couldn't they have been decupling?