ought to preview
Verbo regular: preview - previewed- previewed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to preview
you ought to preview
he ought to preview
we ought to preview
you ought to preview
they ought to preview 	I ought to be previewing
you ought to be previewing
he ought to be previewing
we ought to be previewing
you ought to be previewing
they ought to be previewing	I ought to have previewed
you ought to have previewed
he ought to have previewed
we ought to have previewed
you ought to have previewed
they ought to have previewed	I ought to have been previewing
you ought to have been previewing
he ought to have been previewing
we ought to have been previewing
you ought to have been previewing
they ought to have been previewing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to preview
you oughtn't to preview
he oughtn't to preview
we oughtn't to preview
you oughtn't to preview
they oughtn't to preview 	I oughtn't to be previewing
you oughtn't to be previewing
he oughtn't to be previewing
we oughtn't to be previewing
you oughtn't to be previewing
they oughtn't to be previewing	I oughtn't to have previewed
you oughtn't to have previewed
he oughtn't to have previewed
we oughtn't to have previewed
you oughtn't to have previewed
they oughtn't to have previewed	I oughtn't to have been previewing
you oughtn't to have been previewing
he oughtn't to have been previewing
we oughtn't to have been previewing
you oughtn't to have been previewing
they oughtn't to have been previewing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I preview?
ought to you preview?
ought to he preview?
ought to we preview?
ought to you preview?
ought to they preview? 	ought to I be previewing?
ought to you be previewing?
ought to he be previewing?
ought to we be previewing?
ought to you be previewing?
ought to they be previewing? 	ought to I have previewed?
ought to you have previewed?
ought to he have previewed?
ought to we have previewed?
ought to you have previewed?
ought to they have previewed? 	ought to I have been previewing?
ought to you have been previewing?
ought to he have been previewing?
ought to we have been previewing?
ought to you have been previewing?
ought to they have been previewing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to preview?
oughtn't you to preview?
oughtn't he to preview?
oughtn't we to preview?
oughtn't you to preview?
oughtn't they to preview? 	oughtn't I to be previewing?
oughtn't you to be previewing?
oughtn't he to be previewing?
oughtn't we to be previewing?
oughtn't you to be previewing?
oughtn't they to be previewing? 	oughtn't I to have previewed?
oughtn't you to have previewed?
oughtn't he to have previewed?
oughtn't we to have previewed?
oughtn't you to have previewed?
oughtn't they to have previewed? 	oughtn't I to have been previewing?
oughtn't you to have been previewing?
oughtn't he to have been previewing?
oughtn't we to have been previewing?
oughtn't you to have been previewing?
oughtn't they to have been previewing?