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 she 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 she 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 she 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 she 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 oughtn't to knoll you oughtn't to knoll she oughtn't to knoll we oughtn't to knoll you oughtn't to knoll they oughtn't to knoll	I oughtn't to be knolling you oughtn't to be knolling she oughtn't to be knolling we oughtn't to be knolling you oughtn't to be knolling they oughtn't to be knolling
Perfect	V-ing perfect
I oughtn't to have knolled you oughtn't to have knolled she oughtn't to have knolled we oughtn't to have knolled you oughtn't to have knolled they oughtn't to have knolled	I oughtn't to have been knolling you oughtn't to have been knolling she oughtn't to have been knolling we oughtn't to have been knolling you oughtn't to have been knolling they oughtn't to have been knolling

Interrogative form

Simple form	V-ing form
ought to I knoll? ought to you knoll? ought to she 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 she 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 she 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 she 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
oughtn't I to knoll? oughtn't you to knoll? oughtn't she to knoll? oughtn't we to knoll? oughtn't you to knoll? oughtn't they to knoll?	oughtn't I to be knolling? oughtn't you to be knolling? oughtn't she to be knolling? oughtn't we to be knolling? oughtn't you to be knolling? oughtn't they to be knolling?
Perfect	V-ing perfect
oughtn't I to have knolled? oughtn't you to have knolled? oughtn't she to have knolled? oughtn't we to have knolled? oughtn't you to have knolled? oughtn't they to have knolled?	oughtn't I to have been knolling? oughtn't you to have been knolling? oughtn't she to have been knolling? oughtn't we to have been knolling? oughtn't you to have been knolling? oughtn't they to have been knolling?