English verb conjugation
OUGHT TO KNELL

Regular verb: knell - knelled - knelled

Affirmation

Simple form	V-ing form
I ought to knell you ought to knell he ought to knell we ought to knell you ought to knell they ought to knell	I ought to be knelling you ought to be knelling he ought to be knelling we ought to be knelling you ought to be knelling they ought to be knelling
Perfect	V-ing perfect
I ought to have knelled you ought to have knelled he ought to have knelled we ought to have knelled you ought to have knelled they ought to have knelled	I ought to have been knelling you ought to have been knelling he ought to have been knelling we ought to have been knelling you ought to have been knelling they ought to have been knelling

Negation

Simple form	V-ing form
I ought not to knell you ought not to knell he ought not to knell we ought not to knell you ought not to knell they ought not to knell	I ought not to knelling you ought not to knelling he ought not to knelling we ought not to knelling you ought not to knelling they ought not to knelling
Perfect	V-ing perfect
I ought not to have knelled you ought not to have knelled he ought not to have knelled we ought not to have knelled you ought not to have knelled they ought not to have knelled	I ought not to have been knelling you ought not to have been knelling he ought not to have been knelling we ought not to have been knelling you ought not to have been knelling they ought not to have been knelling

Interrogative form

Simple form	V-ing form
ought to I knell? ought to you knell? ought to he knell? ought to we knell? ought to you knell? ought to they knell?	ought to I be knelling? ought to you be knelling? ought to he be knelling? ought to we be knelling? ought to you be knelling? ought to they be knelling?
Perfect	V-ing perfect
ought to I have knelled? ought to you have knelled? ought to he have knelled? ought to we have knelled? ought to you have knelled? ought to they have knelled?	ought to I have been knelling? ought to you have been knelling? ought to he have been knelling? ought to we have been knelling? ought to you have been knelling? ought to they have been knelling?

Interro-negative form

Simple form	V-ing form
ought I not to knell? ought you not to knell? ought he not to knell? ought we not to knell? ought you not to knell? ought they not to knell?	ought I not to be knelling? ought you not to be knelling? ought he not to be knelling? ought we not to be knelling? ought you not to be knelling? ought they not to be knelling?
Perfect	V-ing perfect
ought I not to have knelled? ought you not to have knelled? ought he not to have knelled? ought we not to have knelled? ought you not to have knelled? ought they not to have knelled?	ought I not to have been knelling? ought you not to have been knelling? ought he not to have been knelling? ought we not to have been knelling? ought you not to have been knelling? ought they not to have been knelling?