ought to knoll
Verbo regular: knoll - knolled- knolled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	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?