ought to dull
Verbo regular: dull - dulled- dulled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to dull
you ought to dull
she 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
she 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
she 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
she ought to have been dulling
we ought to have been dulling
you ought to have been dulling
they ought to have been dulling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought not to dull
you ought not to dull
she ought not to dull
we ought not to dull
you ought not to dull
they ought not to dull 	I ought not to dulling
you ought not to dulling
she ought not to dulling
we ought not to dulling
you ought not to dulling
they ought not to dulling	I ought not to have dulled
you ought not to have dulled
she ought not to have dulled
we ought not to have dulled
you ought not to have dulled
they ought not to have dulled	I ought not to have been dulling
you ought not to have been dulling
she ought not to have been dulling
we ought not to have been dulling
you ought not to have been dulling
they ought not to have been dulling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I dull?
ought to you dull?
ought to she 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 she 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 she 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 she have been dulling?
ought to we have been dulling?
ought to you have been dulling?
ought to they have been dulling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought I not to dull?
ought you not to dull?
ought she not to dull?
ought we not to dull?
ought you not to dull?
ought they not to dull? 	ought I not to be dulling?
ought you not to be dulling?
ought she not to be dulling?
ought we not to be dulling?
ought you not to be dulling?
ought they not to be dulling? 	ought I not to have dulled?
ought you not to have dulled?
ought she not to have dulled?
ought we not to have dulled?
ought you not to have dulled?
ought they not to have dulled? 	ought I not to have been dulling?
ought you not to have been dulling?
ought she not to have been dulling?
ought we not to have been dulling?
ought you not to have been dulling?
ought they not to have been dulling?