English verb conjugation
OUGHT TO SEVER

Regular verb: sever - severed - severed

Affirmation

Simple form	V-ing form
I ought to sever you ought to sever he ought to sever we ought to sever you ought to sever they ought to sever	I ought to be severing you ought to be severing he ought to be severing we ought to be severing you ought to be severing they ought to be severing
Perfect	V-ing perfect
I ought to have severed you ought to have severed he ought to have severed we ought to have severed you ought to have severed they ought to have severed	I ought to have been severing you ought to have been severing he ought to have been severing we ought to have been severing you ought to have been severing they ought to have been severing

Negation

Simple form	V-ing form
I oughtn't to sever you oughtn't to sever he oughtn't to sever we oughtn't to sever you oughtn't to sever they oughtn't to sever	I oughtn't to be severing you oughtn't to be severing he oughtn't to be severing we oughtn't to be severing you oughtn't to be severing they oughtn't to be severing
Perfect	V-ing perfect
I oughtn't to have severed you oughtn't to have severed he oughtn't to have severed we oughtn't to have severed you oughtn't to have severed they oughtn't to have severed	I oughtn't to have been severing you oughtn't to have been severing he oughtn't to have been severing we oughtn't to have been severing you oughtn't to have been severing they oughtn't to have been severing

Interrogative form

Simple form	V-ing form
ought to I sever? ought to you sever? ought to he sever? ought to we sever? ought to you sever? ought to they sever?	ought to I be severing? ought to you be severing? ought to he be severing? ought to we be severing? ought to you be severing? ought to they be severing?
Perfect	V-ing perfect
ought to I have severed? ought to you have severed? ought to he have severed? ought to we have severed? ought to you have severed? ought to they have severed?	ought to I have been severing? ought to you have been severing? ought to he have been severing? ought to we have been severing? ought to you have been severing? ought to they have been severing?

Interro-negative form

Simple form	V-ing form
oughtn't I to sever? oughtn't you to sever? oughtn't he to sever? oughtn't we to sever? oughtn't you to sever? oughtn't they to sever?	oughtn't I to be severing? oughtn't you to be severing? oughtn't he to be severing? oughtn't we to be severing? oughtn't you to be severing? oughtn't they to be severing?
Perfect	V-ing perfect
oughtn't I to have severed? oughtn't you to have severed? oughtn't he to have severed? oughtn't we to have severed? oughtn't you to have severed? oughtn't they to have severed?	oughtn't I to have been severing? oughtn't you to have been severing? oughtn't he to have been severing? oughtn't we to have been severing? oughtn't you to have been severing? oughtn't they to have been severing?