English verb conjugation
OUGHT TO FLANK

Regular verb: flank - flanked - flanked

Affirmation

Simple form	V-ing form
I ought to flank you ought to flank he ought to flank we ought to flank you ought to flank they ought to flank	I ought to be flanking you ought to be flanking he ought to be flanking we ought to be flanking you ought to be flanking they ought to be flanking
Perfect	V-ing perfect
I ought to have flanked you ought to have flanked he ought to have flanked we ought to have flanked you ought to have flanked they ought to have flanked	I ought to have been flanking you ought to have been flanking he ought to have been flanking we ought to have been flanking you ought to have been flanking they ought to have been flanking

Negation

Simple form	V-ing form
I oughtn't to flank you oughtn't to flank he oughtn't to flank we oughtn't to flank you oughtn't to flank they oughtn't to flank	I oughtn't to be flanking you oughtn't to be flanking he oughtn't to be flanking we oughtn't to be flanking you oughtn't to be flanking they oughtn't to be flanking
Perfect	V-ing perfect
I oughtn't to have flanked you oughtn't to have flanked he oughtn't to have flanked we oughtn't to have flanked you oughtn't to have flanked they oughtn't to have flanked	I oughtn't to have been flanking you oughtn't to have been flanking he oughtn't to have been flanking we oughtn't to have been flanking you oughtn't to have been flanking they oughtn't to have been flanking

Interrogative form

Simple form	V-ing form
ought to I flank? ought to you flank? ought to he flank? ought to we flank? ought to you flank? ought to they flank?	ought to I be flanking? ought to you be flanking? ought to he be flanking? ought to we be flanking? ought to you be flanking? ought to they be flanking?
Perfect	V-ing perfect
ought to I have flanked? ought to you have flanked? ought to he have flanked? ought to we have flanked? ought to you have flanked? ought to they have flanked?	ought to I have been flanking? ought to you have been flanking? ought to he have been flanking? ought to we have been flanking? ought to you have been flanking? ought to they have been flanking?

Interro-negative form

Simple form	V-ing form
oughtn't I to flank? oughtn't you to flank? oughtn't he to flank? oughtn't we to flank? oughtn't you to flank? oughtn't they to flank?	oughtn't I to be flanking? oughtn't you to be flanking? oughtn't he to be flanking? oughtn't we to be flanking? oughtn't you to be flanking? oughtn't they to be flanking?
Perfect	V-ing perfect
oughtn't I to have flanked? oughtn't you to have flanked? oughtn't he to have flanked? oughtn't we to have flanked? oughtn't you to have flanked? oughtn't they to have flanked?	oughtn't I to have been flanking? oughtn't you to have been flanking? oughtn't he to have been flanking? oughtn't we to have been flanking? oughtn't you to have been flanking? oughtn't they to have been flanking?