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