Conjugaison du verbe anglais
COULD ROLF

Verbe régulier : rolf - rolfed - rolfed

Affirmation

Forme simple	Forme en V-ing
I could rolf you could rolf he could rolf we could rolf you could rolf they could rolf	I could be rolfing you could be rolfing he could be rolfing we could be rolfing you could be rolfing they could be rolfing
Perfect	Perfect en V-ing
I could have rolfed you could have rolfed he could have rolfed we could have rolfed you could have rolfed they could have rolfed	I could have been rolfing you could have been rolfing he could have been rolfing we could have been rolfing you could have been rolfing they could have been rolfing

Négation

Forme simple	Forme en V-ing
I could not rolf you could not rolf he could not rolf we could not rolf you could not rolf they could not rolf	I could not be rolfing you could not be rolfing he could not be rolfing we could not be rolfing you could not be rolfing they could not be rolfing
Perfect	Perfect en V-ing
I could not have rolfed you could not have rolfed he could not have rolfed we could not have rolfed you could not have rolfed they could not have rolfed	I could not have been rolfing you could not have been rolfing he could not have been rolfing we could not have been rolfing you could not have been rolfing they could not have been rolfing

Forme interrogative

Forme simple	Forme en V-ing
could I rolf? could you rolf? could he rolf? could we rolf? could you rolf? could they rolf?	could I be rolfing? could you be rolfing? could he be rolfing? could we be rolfing? could you be rolfing? could they be rolfing?
Perfect	Perfect en V-ing
could I have rolfed? could you have rolfed? could he have rolfed? could we have rolfed? could you have rolfed? could they have rolfed?	could I have been rolfing? could you have been rolfing? could he have been rolfing? could we have been rolfing? could you have been rolfing? could they have been rolfing?

Forme interro-négative

Forme simple	Forme en V-ing
could I not rolf? could you not rolf? could he not rolf? could we not rolf? could you not rolf? could they not rolf?	could I not be rolfing? could you not be rolfing? could he not be rolfing? could we not be rolfing? could you not be rolfing? could they not be rolfing?
Perfect	Perfect en V-ing
could I not have rolfed? could you not have rolfed? could he not have rolfed? could we not have rolfed? could you not have rolfed? could they not have rolfed?	could I not have been rolfing? could you not have been rolfing? could he not have been rolfing? could we not have been rolfing? could you not have been rolfing? could they not have been rolfing?