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