I can slither you can slither he can slither we can slither you can slither they can slither
Forme en V-ing
I can be slithering you can be slithering he can be slithering we can be slithering you can be slithering they can be slithering
Perfect
I can have slithered you can have slithered he can have slithered we can have slithered you can have slithered they can have slithered
Perfect en V-ing
I can have been slithering you can have been slithering he can have been slithering we can have been slithering you can have been slithering they can have been slithering
Négation
Forme simple
I can't slither you can't slither he can't slither we can't slither you can't slither they can't slither
Forme en V-ing
I can't be slithering you can't be slithering he can't be slithering we can't be slithering you can't be slithering they can't be slithering
Perfect
I can't have slithered you can't have slithered he can't have slithered we can't have slithered you can't have slithered they can't have slithered
Perfect en V-ing
I can't have been slithering you can't have been slithering he can't have been slithering we can't have been slithering you can't have been slithering they can't have been slithering
Forme interrogative
Forme simple
can I slither? can you slither? can he slither? can we slither? can you slither? can they slither?
Forme en V-ing
can I be slithering? can you be slithering? can he be slithering? can we be slithering? can you be slithering? can they be slithering?
Perfect
can I have slithered? can you have slithered? can he have slithered? can we have slithered? can you have slithered? can they have slithered?
Perfect en V-ing
can I have been slithering? can you have been slithering? can he have been slithering? can we have been slithering? can you have been slithering? can they have been slithering?
Forme interro-négative
Forme simple
can't I slither? can't you slither? can't he slither? can't we slither? can't you slither? can't they slither?
Forme en V-ing
can't I be slithering? can't you be slithering? can't he be slithering? can't we be slithering? can't you be slithering? can't they be slithering?
Perfect
can't I have slithered? can't you have slithered? can't he have slithered? can't we have slithered? can't you have slithered? can't they have slithered?
Perfect en V-ing
can't I have been slithering? can't you have been slithering? can't he have been slithering? can't we have been slithering? can't you have been slithering? can't they have been slithering?