English verb conjugation
OUGHT TO DEMUR

Regular verb: demur - demurred - demurred

Affirmation

Simple form	V-ing form
I ought to demur you ought to demur he ought to demur we ought to demur you ought to demur they ought to demur	I ought to be demurring you ought to be demurring he ought to be demurring we ought to be demurring you ought to be demurring they ought to be demurring
Perfect	V-ing perfect
I ought to have demurred you ought to have demurred he ought to have demurred we ought to have demurred you ought to have demurred they ought to have demurred	I ought to have been demurring you ought to have been demurring he ought to have been demurring we ought to have been demurring you ought to have been demurring they ought to have been demurring

Negation

Simple form	V-ing form
I oughtn't to demur you oughtn't to demur he oughtn't to demur we oughtn't to demur you oughtn't to demur they oughtn't to demur	I oughtn't to be demurring you oughtn't to be demurring he oughtn't to be demurring we oughtn't to be demurring you oughtn't to be demurring they oughtn't to be demurring
Perfect	V-ing perfect
I oughtn't to have demurred you oughtn't to have demurred he oughtn't to have demurred we oughtn't to have demurred you oughtn't to have demurred they oughtn't to have demurred	I oughtn't to have been demurring you oughtn't to have been demurring he oughtn't to have been demurring we oughtn't to have been demurring you oughtn't to have been demurring they oughtn't to have been demurring

Interrogative form

Simple form	V-ing form
ought to I demur? ought to you demur? ought to he demur? ought to we demur? ought to you demur? ought to they demur?	ought to I be demurring? ought to you be demurring? ought to he be demurring? ought to we be demurring? ought to you be demurring? ought to they be demurring?
Perfect	V-ing perfect
ought to I have demurred? ought to you have demurred? ought to he have demurred? ought to we have demurred? ought to you have demurred? ought to they have demurred?	ought to I have been demurring? ought to you have been demurring? ought to he have been demurring? ought to we have been demurring? ought to you have been demurring? ought to they have been demurring?

Interro-negative form

Simple form	V-ing form
oughtn't I to demur? oughtn't you to demur? oughtn't he to demur? oughtn't we to demur? oughtn't you to demur? oughtn't they to demur?	oughtn't I to be demurring? oughtn't you to be demurring? oughtn't he to be demurring? oughtn't we to be demurring? oughtn't you to be demurring? oughtn't they to be demurring?
Perfect	V-ing perfect
oughtn't I to have demurred? oughtn't you to have demurred? oughtn't he to have demurred? oughtn't we to have demurred? oughtn't you to have demurred? oughtn't they to have demurred?	oughtn't I to have been demurring? oughtn't you to have been demurring? oughtn't he to have been demurring? oughtn't we to have been demurring? oughtn't you to have been demurring? oughtn't they to have been demurring?