I'll be slithering you'll be slithering he'll be slithering we'll be slithering you'll be slithering they'll be slithering
Perfect
I'll have slithered you'll have slithered he'll have slithered we'll have slithered you'll have slithered they'll have slithered
V-ing perfect
I'll have been slithering you'll have been slithering he'll have been slithering we'll have been slithering you'll have been slithering they'll have been slithering
Negation
Simple form
I won't slither you won't slither he won't slither we won't slither you won't slither they won't slither
V-ing form
I won't be slithering you won't be slithering he won't be slithering we won't be slithering you won't be slithering they won't be slithering
Perfect
I won't have slithered you won't have slithered he won't have slithered we won't have slithered you won't have slithered they won't have slithered
V-ing perfect
I won't have been slithering you won't have been slithering he won't have been slithering we won't have been slithering you won't have been slithering they won't have been slithering
Interrogative form
Simple form
will I slither? will you slither? will he slither? will we slither? will you slither? will they slither?
V-ing form
will I be slithering? will you be slithering? will he be slithering? will we be slithering? will you be slithering? will they be slithering?
Perfect
will I have slithered? will you have slithered? will he have slithered? will we have slithered? will you have slithered? will they have slithered?
V-ing perfect
will I have been slithering? will you have been slithering? will he have been slithering? will we have been slithering? will you have been slithering? will they have been slithering?
Interro-negative form
Simple form
won't I slither? won't you slither? won't he slither? won't we slither? won't you slither? won't they slither?
V-ing form
won't I be slithering? won't you be slithering? won't he be slithering? won't we be slithering? won't you be slithering? won't they be slithering?
Perfect
won't I have slithered? won't you have slithered? won't he have slithered? won't we have slithered? won't you have slithered? won't they have slithered?
V-ing perfect
won't I have been slithering? won't you have been slithering? won't he have been slithering? won't we have been slithering? won't you have been slithering? won't they have been slithering?