English verb conjugation
OUGHT TO SLITHER

Regular verb: slither - slithered - slithered

Affirmation

Simple form	V-ing form
I ought to slither you ought to slither she ought to slither we ought to slither you ought to slither they ought to slither	I ought to be slithering you ought to be slithering she ought to be slithering we ought to be slithering you ought to be slithering they ought to be slithering
Perfect	V-ing perfect
I ought to have slithered you ought to have slithered she ought to have slithered we ought to have slithered you ought to have slithered they ought to have slithered	I ought to have been slithering you ought to have been slithering she ought to have been slithering we ought to have been slithering you ought to have been slithering they ought to have been slithering

Negation

Simple form	V-ing form
I oughtn't to slither you oughtn't to slither she oughtn't to slither we oughtn't to slither you oughtn't to slither they oughtn't to slither	I oughtn't to be slithering you oughtn't to be slithering she oughtn't to be slithering we oughtn't to be slithering you oughtn't to be slithering they oughtn't to be slithering
Perfect	V-ing perfect
I oughtn't to have slithered you oughtn't to have slithered she oughtn't to have slithered we oughtn't to have slithered you oughtn't to have slithered they oughtn't to have slithered	I oughtn't to have been slithering you oughtn't to have been slithering she oughtn't to have been slithering we oughtn't to have been slithering you oughtn't to have been slithering they oughtn't to have been slithering

Interrogative form

Simple form	V-ing form
ought to I slither? ought to you slither? ought to she slither? ought to we slither? ought to you slither? ought to they slither?	ought to I be slithering? ought to you be slithering? ought to she be slithering? ought to we be slithering? ought to you be slithering? ought to they be slithering?
Perfect	V-ing perfect
ought to I have slithered? ought to you have slithered? ought to she have slithered? ought to we have slithered? ought to you have slithered? ought to they have slithered?	ought to I have been slithering? ought to you have been slithering? ought to she have been slithering? ought to we have been slithering? ought to you have been slithering? ought to they have been slithering?

Interro-negative form

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