ought to fasten
Verbo regular: fasten - fastened- fastened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to fasten
you ought to fasten
he ought to fasten
we ought to fasten
you ought to fasten
they ought to fasten 	I ought to be fastening
you ought to be fastening
he ought to be fastening
we ought to be fastening
you ought to be fastening
they ought to be fastening	I ought to have fastened
you ought to have fastened
he ought to have fastened
we ought to have fastened
you ought to have fastened
they ought to have fastened	I ought to have been fastening
you ought to have been fastening
he ought to have been fastening
we ought to have been fastening
you ought to have been fastening
they ought to have been fastening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to fasten
you oughtn't to fasten
he oughtn't to fasten
we oughtn't to fasten
you oughtn't to fasten
they oughtn't to fasten 	I oughtn't to be fastening
you oughtn't to be fastening
he oughtn't to be fastening
we oughtn't to be fastening
you oughtn't to be fastening
they oughtn't to be fastening	I oughtn't to have fastened
you oughtn't to have fastened
he oughtn't to have fastened
we oughtn't to have fastened
you oughtn't to have fastened
they oughtn't to have fastened	I oughtn't to have been fastening
you oughtn't to have been fastening
he oughtn't to have been fastening
we oughtn't to have been fastening
you oughtn't to have been fastening
they oughtn't to have been fastening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I fasten?
ought to you fasten?
ought to he fasten?
ought to we fasten?
ought to you fasten?
ought to they fasten? 	ought to I be fastening?
ought to you be fastening?
ought to he be fastening?
ought to we be fastening?
ought to you be fastening?
ought to they be fastening? 	ought to I have fastened?
ought to you have fastened?
ought to he have fastened?
ought to we have fastened?
ought to you have fastened?
ought to they have fastened? 	ought to I have been fastening?
ought to you have been fastening?
ought to he have been fastening?
ought to we have been fastening?
ought to you have been fastening?
ought to they have been fastening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to fasten?
oughtn't you to fasten?
oughtn't he to fasten?
oughtn't we to fasten?
oughtn't you to fasten?
oughtn't they to fasten? 	oughtn't I to be fastening?
oughtn't you to be fastening?
oughtn't he to be fastening?
oughtn't we to be fastening?
oughtn't you to be fastening?
oughtn't they to be fastening? 	oughtn't I to have fastened?
oughtn't you to have fastened?
oughtn't he to have fastened?
oughtn't we to have fastened?
oughtn't you to have fastened?
oughtn't they to have fastened? 	oughtn't I to have been fastening?
oughtn't you to have been fastening?
oughtn't he to have been fastening?
oughtn't we to have been fastening?
oughtn't you to have been fastening?
oughtn't they to have been fastening?