English verb conjugation
OUGHT TO KNOLL

Regular verb: knoll - knolled - knolled

Affirmation

Simple form	V-ing form
I ought to knoll you ought to knoll he ought to knoll we ought to knoll you ought to knoll they ought to knoll	I ought to be knolling you ought to be knolling he ought to be knolling we ought to be knolling you ought to be knolling they ought to be knolling
Perfect	V-ing perfect
I ought to have knolled you ought to have knolled he ought to have knolled we ought to have knolled you ought to have knolled they ought to have knolled	I ought to have been knolling you ought to have been knolling he ought to have been knolling we ought to have been knolling you ought to have been knolling they ought to have been knolling

Negation

Simple form	V-ing form
I ought not to knoll you ought not to knoll he ought not to knoll we ought not to knoll you ought not to knoll they ought not to knoll	I ought not to knolling you ought not to knolling he ought not to knolling we ought not to knolling you ought not to knolling they ought not to knolling
Perfect	V-ing perfect
I ought not to have knolled you ought not to have knolled he ought not to have knolled we ought not to have knolled you ought not to have knolled they ought not to have knolled	I ought not to have been knolling you ought not to have been knolling he ought not to have been knolling we ought not to have been knolling you ought not to have been knolling they ought not to have been knolling

Interrogative form

Simple form	V-ing form
ought to I knoll? ought to you knoll? ought to he knoll? ought to we knoll? ought to you knoll? ought to they knoll?	ought to I be knolling? ought to you be knolling? ought to he be knolling? ought to we be knolling? ought to you be knolling? ought to they be knolling?
Perfect	V-ing perfect
ought to I have knolled? ought to you have knolled? ought to he have knolled? ought to we have knolled? ought to you have knolled? ought to they have knolled?	ought to I have been knolling? ought to you have been knolling? ought to he have been knolling? ought to we have been knolling? ought to you have been knolling? ought to they have been knolling?

Interro-negative form

Simple form	V-ing form
ought I not to knoll? ought you not to knoll? ought he not to knoll? ought we not to knoll? ought you not to knoll? ought they not to knoll?	ought I not to be knolling? ought you not to be knolling? ought he not to be knolling? ought we not to be knolling? ought you not to be knolling? ought they not to be knolling?
Perfect	V-ing perfect
ought I not to have knolled? ought you not to have knolled? ought he not to have knolled? ought we not to have knolled? ought you not to have knolled? ought they not to have knolled?	ought I not to have been knolling? ought you not to have been knolling? ought he not to have been knolling? ought we not to have been knolling? ought you not to have been knolling? ought they not to have been knolling?