English verb conjugation
OUGHT TO OBSTRUCT

Regular verb: obstruct - obstructed - obstructed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
I ought not to obstruct you ought not to obstruct he ought not to obstruct we ought not to obstruct you ought not to obstruct they ought not to obstruct	I ought not to obstructing you ought not to obstructing he ought not to obstructing we ought not to obstructing you ought not to obstructing they ought not to obstructing
Perfect	V-ing perfect
I ought not to have obstructed you ought not to have obstructed he ought not to have obstructed we ought not to have obstructed you ought not to have obstructed they ought not to have obstructed	I ought not to have been obstructing you ought not to have been obstructing he ought not to have been obstructing we ought not to have been obstructing you ought not to have been obstructing they ought not to have been obstructing

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
ought I not to obstruct? ought you not to obstruct? ought he not to obstruct? ought we not to obstruct? ought you not to obstruct? ought they not to obstruct?	ought I not to be obstructing? ought you not to be obstructing? ought he not to be obstructing? ought we not to be obstructing? ought you not to be obstructing? ought they not to be obstructing?
Perfect	V-ing perfect
ought I not to have obstructed? ought you not to have obstructed? ought he not to have obstructed? ought we not to have obstructed? ought you not to have obstructed? ought they not to have obstructed?	ought I not to have been obstructing? ought you not to have been obstructing? ought he not to have been obstructing? ought we not to have been obstructing? ought you not to have been obstructing? ought they not to have been obstructing?