English verb conjugation
OUGHT TO DEFEND

Regular verb: defend - defended - defended

Affirmation

Simple form	V-ing form
I ought to defend you ought to defend he ought to defend we ought to defend you ought to defend they ought to defend	I ought to be defending you ought to be defending he ought to be defending we ought to be defending you ought to be defending they ought to be defending
Perfect	V-ing perfect
I ought to have defended you ought to have defended he ought to have defended we ought to have defended you ought to have defended they ought to have defended	I ought to have been defending you ought to have been defending he ought to have been defending we ought to have been defending you ought to have been defending they ought to have been defending

Negation

Simple form	V-ing form
I oughtn't to defend you oughtn't to defend he oughtn't to defend we oughtn't to defend you oughtn't to defend they oughtn't to defend	I oughtn't to be defending you oughtn't to be defending he oughtn't to be defending we oughtn't to be defending you oughtn't to be defending they oughtn't to be defending
Perfect	V-ing perfect
I oughtn't to have defended you oughtn't to have defended he oughtn't to have defended we oughtn't to have defended you oughtn't to have defended they oughtn't to have defended	I oughtn't to have been defending you oughtn't to have been defending he oughtn't to have been defending we oughtn't to have been defending you oughtn't to have been defending they oughtn't to have been defending

Interrogative form

Simple form	V-ing form
ought to I defend? ought to you defend? ought to he defend? ought to we defend? ought to you defend? ought to they defend?	ought to I be defending? ought to you be defending? ought to he be defending? ought to we be defending? ought to you be defending? ought to they be defending?
Perfect	V-ing perfect
ought to I have defended? ought to you have defended? ought to he have defended? ought to we have defended? ought to you have defended? ought to they have defended?	ought to I have been defending? ought to you have been defending? ought to he have been defending? ought to we have been defending? ought to you have been defending? ought to they have been defending?

Interro-negative form

Simple form	V-ing form
oughtn't I to defend? oughtn't you to defend? oughtn't he to defend? oughtn't we to defend? oughtn't you to defend? oughtn't they to defend?	oughtn't I to be defending? oughtn't you to be defending? oughtn't he to be defending? oughtn't we to be defending? oughtn't you to be defending? oughtn't they to be defending?
Perfect	V-ing perfect
oughtn't I to have defended? oughtn't you to have defended? oughtn't he to have defended? oughtn't we to have defended? oughtn't you to have defended? oughtn't they to have defended?	oughtn't I to have been defending? oughtn't you to have been defending? oughtn't he to have been defending? oughtn't we to have been defending? oughtn't you to have been defending? oughtn't they to have been defending?