English verb conjugation
SHOULD SLITHER

Regular verb: slither - slithered - slithered

Affirmation

Simple form	V-ing form
I'd slither you'd slither he'd slither we'd slither you'd slither they'd slither	I'd be slithering you'd be slithering he'd be slithering we'd be slithering you'd be slithering they'd be slithering
Perfect	V-ing perfect
I should've slithered you should've slithered he should've slithered we should've slithered you should've slithered they should've slithered	I should've been slithering you should've been slithering he should've been slithering we should've been slithering you should've been slithering they should've been slithering

Negation

Simple form	V-ing form
I shouldn't slither you shouldn't slither he shouldn't slither we shouldn't slither you shouldn't slither they shouldn't slither	I shouldn't be slithering you shouldn't be slithering he shouldn't be slithering we shouldn't be slithering you shouldn't be slithering they shouldn't be slithering
Perfect	V-ing perfect
I shouldn't have slithered you shouldn't have slithered he shouldn't have slithered we shouldn't have slithered you shouldn't have slithered they shouldn't have slithered	I shouldn't have been slithering you shouldn't have been slithering he shouldn't have been slithering we shouldn't have been slithering you shouldn't have been slithering they shouldn't have been slithering

Interrogative form

Simple form	V-ing form
should I slither? should you slither? should he slither? should we slither? should you slither? should they slither?	should I be slithering? should you be slithering? should he be slithering? should we be slithering? should you be slithering? should they be slithering?
Perfect	V-ing perfect
should I have slithered? should you have slithered? should he have slithered? should we have slithered? should you have slithered? should they have slithered?	should I have been slithering? should you have been slithering? should he have been slithering? should we have been slithering? should you have been slithering? should they have been slithering?

Interro-negative form

Simple form	V-ing form
shouldn't I slither? shouldn't you slither? shouldn't he slither? shouldn't we slither? shouldn't you slither? shouldn't they slither?	shouldn't I be slithering? shouldn't you be slithering? shouldn't he be slithering? shouldn't we be slithering? shouldn't you be slithering? shouldn't they be slithering?
Perfect	V-ing perfect
shouldn't I have slithered? shouldn't you have slithered? shouldn't he have slithered? shouldn't we have slithered? shouldn't you have slithered? shouldn't they have slithered?	shouldn't I have been slithering? shouldn't you have been slithering? shouldn't he have been slithering? shouldn't we have been slithering? shouldn't you have been slithering? shouldn't they have been slithering?