Conjugaison du verbe anglais
COULD UNBUTTON

Verbe régulier : unbutton - unbuttoned - unbuttoned
Traduction française : déboutonner - se déboutonner

Affirmation

Forme simple	Forme en V-ing
I could unbutton you could unbutton he could unbutton we could unbutton you could unbutton they could unbutton	I could be unbuttoning you could be unbuttoning he could be unbuttoning we could be unbuttoning you could be unbuttoning they could be unbuttoning
Perfect	Perfect en V-ing
I could have unbuttoned you could have unbuttoned he could have unbuttoned we could have unbuttoned you could have unbuttoned they could have unbuttoned	I could have been unbuttoning you could have been unbuttoning he could have been unbuttoning we could have been unbuttoning you could have been unbuttoning they could have been unbuttoning

Négation

Forme simple	Forme en V-ing
I couldn't unbutton you couldn't unbutton he couldn't unbutton we couldn't unbutton you couldn't unbutton they couldn't unbutton	I couldn't be unbuttoning you couldn't be unbuttoning he couldn't be unbuttoning we couldn't be unbuttoning you couldn't be unbuttoning they couldn't be unbuttoning
Perfect	Perfect en V-ing
I couldn't have unbuttoned you couldn't have unbuttoned he couldn't have unbuttoned we couldn't have unbuttoned you couldn't have unbuttoned they couldn't have unbuttoned	I couldn't have been unbuttoning you couldn't have been unbuttoning he couldn't have been unbuttoning we couldn't have been unbuttoning you couldn't have been unbuttoning they couldn't have been unbuttoning

Forme interrogative

Forme simple	Forme en V-ing
could I unbutton? could you unbutton? could he unbutton? could we unbutton? could you unbutton? could they unbutton?	could I be unbuttoning? could you be unbuttoning? could he be unbuttoning? could we be unbuttoning? could you be unbuttoning? could they be unbuttoning?
Perfect	Perfect en V-ing
could I have unbuttoned? could you have unbuttoned? could he have unbuttoned? could we have unbuttoned? could you have unbuttoned? could they have unbuttoned?	could I have been unbuttoning? could you have been unbuttoning? could he have been unbuttoning? could we have been unbuttoning? could you have been unbuttoning? could they have been unbuttoning?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I unbutton? couldn't you unbutton? couldn't he unbutton? couldn't we unbutton? couldn't you unbutton? couldn't they unbutton?	couldn't I be unbuttoning? couldn't you be unbuttoning? couldn't he be unbuttoning? couldn't we be unbuttoning? couldn't you be unbuttoning? couldn't they be unbuttoning?
Perfect	Perfect en V-ing
couldn't I have unbuttoned? couldn't you have unbuttoned? couldn't he have unbuttoned? couldn't we have unbuttoned? couldn't you have unbuttoned? couldn't they have unbuttoned?	couldn't I have been unbuttoning? couldn't you have been unbuttoning? couldn't he have been unbuttoning? couldn't we have been unbuttoning? couldn't you have been unbuttoning? couldn't they have been unbuttoning?