ought to obstruct
Verbo regular: obstruct - obstructed- obstructed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to obstruct
you ought to obstruct
he ought to obstruct
we ought to obstruct
you ought to obstruct
they ought to obstruct 	I ought to be obstructing
you ought to be obstructing
he ought to be obstructing
we ought to be obstructing
you ought to be obstructing
they ought to be obstructing	I ought to have obstructed
you ought to have obstructed
he ought to have obstructed
we ought to have obstructed
you ought to have obstructed
they ought to have obstructed	I ought to have been obstructing
you ought to have been obstructing
he ought to have been obstructing
we ought to have been obstructing
you ought to have been obstructing
they ought to have been obstructing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to obstruct
you oughtn't to obstruct
he oughtn't to obstruct
we oughtn't to obstruct
you oughtn't to obstruct
they oughtn't to obstruct 	I oughtn't to be obstructing
you oughtn't to be obstructing
he oughtn't to be obstructing
we oughtn't to be obstructing
you oughtn't to be obstructing
they oughtn't to be obstructing	I oughtn't to have obstructed
you oughtn't to have obstructed
he oughtn't to have obstructed
we oughtn't to have obstructed
you oughtn't to have obstructed
they oughtn't to have obstructed	I oughtn't to have been obstructing
you oughtn't to have been obstructing
he oughtn't to have been obstructing
we oughtn't to have been obstructing
you oughtn't to have been obstructing
they oughtn't to have been obstructing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I obstruct?
ought to you obstruct?
ought to he obstruct?
ought to we obstruct?
ought to you obstruct?
ought to they obstruct? 	ought to I be obstructing?
ought to you be obstructing?
ought to he be obstructing?
ought to we be obstructing?
ought to you be obstructing?
ought to they be obstructing? 	ought to I have obstructed?
ought to you have obstructed?
ought to he have obstructed?
ought to we have obstructed?
ought to you have obstructed?
ought to they have obstructed? 	ought to I have been obstructing?
ought to you have been obstructing?
ought to he have been obstructing?
ought to we have been obstructing?
ought to you have been obstructing?
ought to they have been obstructing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to obstruct?
oughtn't you to obstruct?
oughtn't he to obstruct?
oughtn't we to obstruct?
oughtn't you to obstruct?
oughtn't they to obstruct? 	oughtn't I to be obstructing?
oughtn't you to be obstructing?
oughtn't he to be obstructing?
oughtn't we to be obstructing?
oughtn't you to be obstructing?
oughtn't they to be obstructing? 	oughtn't I to have obstructed?
oughtn't you to have obstructed?
oughtn't he to have obstructed?
oughtn't we to have obstructed?
oughtn't you to have obstructed?
oughtn't they to have obstructed? 	oughtn't I to have been obstructing?
oughtn't you to have been obstructing?
oughtn't he to have been obstructing?
oughtn't we to have been obstructing?
oughtn't you to have been obstructing?
oughtn't they to have been obstructing?