English verb conjugation
OUGHT TO DISTINGUISH

Regular verb: distinguish - distinguished - distinguished

Affirmation

Simple form	V-ing form
I ought to distinguish you ought to distinguish she ought to distinguish we ought to distinguish you ought to distinguish they ought to distinguish	I ought to be distinguishing you ought to be distinguishing she ought to be distinguishing we ought to be distinguishing you ought to be distinguishing they ought to be distinguishing
Perfect	V-ing perfect
I ought to have distinguished you ought to have distinguished she ought to have distinguished we ought to have distinguished you ought to have distinguished they ought to have distinguished	I ought to have been distinguishing you ought to have been distinguishing she ought to have been distinguishing we ought to have been distinguishing you ought to have been distinguishing they ought to have been distinguishing

Negation

Simple form	V-ing form
I oughtn't to distinguish you oughtn't to distinguish she oughtn't to distinguish we oughtn't to distinguish you oughtn't to distinguish they oughtn't to distinguish	I oughtn't to be distinguishing you oughtn't to be distinguishing she oughtn't to be distinguishing we oughtn't to be distinguishing you oughtn't to be distinguishing they oughtn't to be distinguishing
Perfect	V-ing perfect
I oughtn't to have distinguished you oughtn't to have distinguished she oughtn't to have distinguished we oughtn't to have distinguished you oughtn't to have distinguished they oughtn't to have distinguished	I oughtn't to have been distinguishing you oughtn't to have been distinguishing she oughtn't to have been distinguishing we oughtn't to have been distinguishing you oughtn't to have been distinguishing they oughtn't to have been distinguishing

Interrogative form

Simple form	V-ing form
ought to I distinguish? ought to you distinguish? ought to she distinguish? ought to we distinguish? ought to you distinguish? ought to they distinguish?	ought to I be distinguishing? ought to you be distinguishing? ought to she be distinguishing? ought to we be distinguishing? ought to you be distinguishing? ought to they be distinguishing?
Perfect	V-ing perfect
ought to I have distinguished? ought to you have distinguished? ought to she have distinguished? ought to we have distinguished? ought to you have distinguished? ought to they have distinguished?	ought to I have been distinguishing? ought to you have been distinguishing? ought to she have been distinguishing? ought to we have been distinguishing? ought to you have been distinguishing? ought to they have been distinguishing?

Interro-negative form

Simple form	V-ing form
oughtn't I to distinguish? oughtn't you to distinguish? oughtn't she to distinguish? oughtn't we to distinguish? oughtn't you to distinguish? oughtn't they to distinguish?	oughtn't I to be distinguishing? oughtn't you to be distinguishing? oughtn't she to be distinguishing? oughtn't we to be distinguishing? oughtn't you to be distinguishing? oughtn't they to be distinguishing?
Perfect	V-ing perfect
oughtn't I to have distinguished? oughtn't you to have distinguished? oughtn't she to have distinguished? oughtn't we to have distinguished? oughtn't you to have distinguished? oughtn't they to have distinguished?	oughtn't I to have been distinguishing? oughtn't you to have been distinguishing? oughtn't she to have been distinguishing? oughtn't we to have been distinguishing? oughtn't you to have been distinguishing? oughtn't they to have been distinguishing?