Conjugaison du verbe anglais
COULD VALVE

Verbe régulier : valve - valved - valved

Affirmation

Forme simple	Forme en V-ing
I could valve you could valve he could valve we could valve you could valve they could valve	I could be valving you could be valving he could be valving we could be valving you could be valving they could be valving
Perfect	Perfect en V-ing
I could have valved you could have valved he could have valved we could have valved you could have valved they could have valved	I could have been valving you could have been valving he could have been valving we could have been valving you could have been valving they could have been valving

Négation

Forme simple	Forme en V-ing
I couldn't valve you couldn't valve he couldn't valve we couldn't valve you couldn't valve they couldn't valve	I couldn't be valving you couldn't be valving he couldn't be valving we couldn't be valving you couldn't be valving they couldn't be valving
Perfect	Perfect en V-ing
I couldn't have valved you couldn't have valved he couldn't have valved we couldn't have valved you couldn't have valved they couldn't have valved	I couldn't have been valving you couldn't have been valving he couldn't have been valving we couldn't have been valving you couldn't have been valving they couldn't have been valving

Forme interrogative

Forme simple	Forme en V-ing
could I valve? could you valve? could he valve? could we valve? could you valve? could they valve?	could I be valving? could you be valving? could he be valving? could we be valving? could you be valving? could they be valving?
Perfect	Perfect en V-ing
could I have valved? could you have valved? could he have valved? could we have valved? could you have valved? could they have valved?	could I have been valving? could you have been valving? could he have been valving? could we have been valving? could you have been valving? could they have been valving?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I valve? couldn't you valve? couldn't he valve? couldn't we valve? couldn't you valve? couldn't they valve?	couldn't I be valving? couldn't you be valving? couldn't he be valving? couldn't we be valving? couldn't you be valving? couldn't they be valving?
Perfect	Perfect en V-ing
couldn't I have valved? couldn't you have valved? couldn't he have valved? couldn't we have valved? couldn't you have valved? couldn't they have valved?	couldn't I have been valving? couldn't you have been valving? couldn't he have been valving? couldn't we have been valving? couldn't you have been valving? couldn't they have been valving?