I could gnaw you could gnaw he could gnaw we could gnaw you could gnaw they could gnaw
Forme en V-ing
I could be gnawing you could be gnawing he could be gnawing we could be gnawing you could be gnawing they could be gnawing
Perfect
I could have gnawed you could have gnawed he could have gnawed we could have gnawed you could have gnawed they could have gnawed
Perfect en V-ing
I could have been gnawing you could have been gnawing he could have been gnawing we could have been gnawing you could have been gnawing they could have been gnawing
Négation
Forme simple
I couldn't gnaw you couldn't gnaw he couldn't gnaw we couldn't gnaw you couldn't gnaw they couldn't gnaw
Forme en V-ing
I couldn't be gnawing you couldn't be gnawing he couldn't be gnawing we couldn't be gnawing you couldn't be gnawing they couldn't be gnawing
Perfect
I couldn't have gnawed you couldn't have gnawed he couldn't have gnawed we couldn't have gnawed you couldn't have gnawed they couldn't have gnawed
Perfect en V-ing
I couldn't have been gnawing you couldn't have been gnawing he couldn't have been gnawing we couldn't have been gnawing you couldn't have been gnawing they couldn't have been gnawing
Forme interrogative
Forme simple
could I gnaw? could you gnaw? could he gnaw? could we gnaw? could you gnaw? could they gnaw?
Forme en V-ing
could I be gnawing? could you be gnawing? could he be gnawing? could we be gnawing? could you be gnawing? could they be gnawing?
Perfect
could I have gnawed? could you have gnawed? could he have gnawed? could we have gnawed? could you have gnawed? could they have gnawed?
Perfect en V-ing
could I have been gnawing? could you have been gnawing? could he have been gnawing? could we have been gnawing? could you have been gnawing? could they have been gnawing?
Forme interro-négative
Forme simple
couldn't I gnaw? couldn't you gnaw? couldn't he gnaw? couldn't we gnaw? couldn't you gnaw? couldn't they gnaw?
Forme en V-ing
couldn't I be gnawing? couldn't you be gnawing? couldn't he be gnawing? couldn't we be gnawing? couldn't you be gnawing? couldn't they be gnawing?
Perfect
couldn't I have gnawed? couldn't you have gnawed? couldn't he have gnawed? couldn't we have gnawed? couldn't you have gnawed? couldn't they have gnawed?
Perfect en V-ing
couldn't I have been gnawing? couldn't you have been gnawing? couldn't he have been gnawing? couldn't we have been gnawing? couldn't you have been gnawing? couldn't they have been gnawing?