ought to dull
Verbo regular: dull - dulled- dulled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to dull
you ought to dull
he ought to dull
we ought to dull
you ought to dull
they ought to dull 	I ought to be dulling
you ought to be dulling
he ought to be dulling
we ought to be dulling
you ought to be dulling
they ought to be dulling	I ought to have dulled
you ought to have dulled
he ought to have dulled
we ought to have dulled
you ought to have dulled
they ought to have dulled	I ought to have been dulling
you ought to have been dulling
he ought to have been dulling
we ought to have been dulling
you ought to have been dulling
they ought to have been dulling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to dull
you oughtn't to dull
he oughtn't to dull
we oughtn't to dull
you oughtn't to dull
they oughtn't to dull 	I oughtn't to be dulling
you oughtn't to be dulling
he oughtn't to be dulling
we oughtn't to be dulling
you oughtn't to be dulling
they oughtn't to be dulling	I oughtn't to have dulled
you oughtn't to have dulled
he oughtn't to have dulled
we oughtn't to have dulled
you oughtn't to have dulled
they oughtn't to have dulled	I oughtn't to have been dulling
you oughtn't to have been dulling
he oughtn't to have been dulling
we oughtn't to have been dulling
you oughtn't to have been dulling
they oughtn't to have been dulling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I dull?
ought to you dull?
ought to he dull?
ought to we dull?
ought to you dull?
ought to they dull? 	ought to I be dulling?
ought to you be dulling?
ought to he be dulling?
ought to we be dulling?
ought to you be dulling?
ought to they be dulling? 	ought to I have dulled?
ought to you have dulled?
ought to he have dulled?
ought to we have dulled?
ought to you have dulled?
ought to they have dulled? 	ought to I have been dulling?
ought to you have been dulling?
ought to he have been dulling?
ought to we have been dulling?
ought to you have been dulling?
ought to they have been dulling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to dull?
oughtn't you to dull?
oughtn't he to dull?
oughtn't we to dull?
oughtn't you to dull?
oughtn't they to dull? 	oughtn't I to be dulling?
oughtn't you to be dulling?
oughtn't he to be dulling?
oughtn't we to be dulling?
oughtn't you to be dulling?
oughtn't they to be dulling? 	oughtn't I to have dulled?
oughtn't you to have dulled?
oughtn't he to have dulled?
oughtn't we to have dulled?
oughtn't you to have dulled?
oughtn't they to have dulled? 	oughtn't I to have been dulling?
oughtn't you to have been dulling?
oughtn't he to have been dulling?
oughtn't we to have been dulling?
oughtn't you to have been dulling?
oughtn't they to have been dulling?