ought to refer
Verbo regular: refer - referred- referred

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I ought to refer
you ought to refer
he ought to refer
we ought to refer
you ought to refer
they ought to refer 	I ought to be referring
you ought to be referring
he ought to be referring
we ought to be referring
you ought to be referring
they ought to be referring	I ought to have referred
you ought to have referred
he ought to have referred
we ought to have referred
you ought to have referred
they ought to have referred	I ought to have been referring
you ought to have been referring
he ought to have been referring
we ought to have been referring
you ought to have been referring
they ought to have been referring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I oughtn't to refer
you oughtn't to refer
he oughtn't to refer
we oughtn't to refer
you oughtn't to refer
they oughtn't to refer 	I oughtn't to be referring
you oughtn't to be referring
he oughtn't to be referring
we oughtn't to be referring
you oughtn't to be referring
they oughtn't to be referring	I oughtn't to have referred
you oughtn't to have referred
he oughtn't to have referred
we oughtn't to have referred
you oughtn't to have referred
they oughtn't to have referred	I oughtn't to have been referring
you oughtn't to have been referring
he oughtn't to have been referring
we oughtn't to have been referring
you oughtn't to have been referring
they oughtn't to have been referring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
ought to I refer?
ought to you refer?
ought to he refer?
ought to we refer?
ought to you refer?
ought to they refer? 	ought to I be referring?
ought to you be referring?
ought to he be referring?
ought to we be referring?
ought to you be referring?
ought to they be referring? 	ought to I have referred?
ought to you have referred?
ought to he have referred?
ought to we have referred?
ought to you have referred?
ought to they have referred? 	ought to I have been referring?
ought to you have been referring?
ought to he have been referring?
ought to we have been referring?
ought to you have been referring?
ought to they have been referring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
oughtn't I to refer?
oughtn't you to refer?
oughtn't he to refer?
oughtn't we to refer?
oughtn't you to refer?
oughtn't they to refer? 	oughtn't I to be referring?
oughtn't you to be referring?
oughtn't he to be referring?
oughtn't we to be referring?
oughtn't you to be referring?
oughtn't they to be referring? 	oughtn't I to have referred?
oughtn't you to have referred?
oughtn't he to have referred?
oughtn't we to have referred?
oughtn't you to have referred?
oughtn't they to have referred? 	oughtn't I to have been referring?
oughtn't you to have been referring?
oughtn't he to have been referring?
oughtn't we to have been referring?
oughtn't you to have been referring?
oughtn't they to have been referring?