Conjugaison du verbe anglais
COULD BIFF

Verbe régulier : biff - biffed - biffed
Traduction française : flanquer un coup de poing à

Affirmation

Forme simple	Forme en V-ing
I could biff you could biff he could biff we could biff you could biff they could biff	I could be biffing you could be biffing he could be biffing we could be biffing you could be biffing they could be biffing
Perfect	Perfect en V-ing
I could have biffed you could have biffed he could have biffed we could have biffed you could have biffed they could have biffed	I could have been biffing you could have been biffing he could have been biffing we could have been biffing you could have been biffing they could have been biffing

Négation

Forme simple	Forme en V-ing
I couldn't biff you couldn't biff he couldn't biff we couldn't biff you couldn't biff they couldn't biff	I couldn't be biffing you couldn't be biffing he couldn't be biffing we couldn't be biffing you couldn't be biffing they couldn't be biffing
Perfect	Perfect en V-ing
I couldn't have biffed you couldn't have biffed he couldn't have biffed we couldn't have biffed you couldn't have biffed they couldn't have biffed	I couldn't have been biffing you couldn't have been biffing he couldn't have been biffing we couldn't have been biffing you couldn't have been biffing they couldn't have been biffing

Forme interrogative

Forme simple	Forme en V-ing
could I biff? could you biff? could he biff? could we biff? could you biff? could they biff?	could I be biffing? could you be biffing? could he be biffing? could we be biffing? could you be biffing? could they be biffing?
Perfect	Perfect en V-ing
could I have biffed? could you have biffed? could he have biffed? could we have biffed? could you have biffed? could they have biffed?	could I have been biffing? could you have been biffing? could he have been biffing? could we have been biffing? could you have been biffing? could they have been biffing?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I biff? couldn't you biff? couldn't he biff? couldn't we biff? couldn't you biff? couldn't they biff?	couldn't I be biffing? couldn't you be biffing? couldn't he be biffing? couldn't we be biffing? couldn't you be biffing? couldn't they be biffing?
Perfect	Perfect en V-ing
couldn't I have biffed? couldn't you have biffed? couldn't he have biffed? couldn't we have biffed? couldn't you have biffed? couldn't they have biffed?	couldn't I have been biffing? couldn't you have been biffing? couldn't he have been biffing? couldn't we have been biffing? couldn't you have been biffing? couldn't they have been biffing?