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 ought not to distinguish you ought not to distinguish she ought not to distinguish we ought not to distinguish you ought not to distinguish they ought not to distinguish	I ought not to distinguishing you ought not to distinguishing she ought not to distinguishing we ought not to distinguishing you ought not to distinguishing they ought not to distinguishing
Perfect	V-ing perfect
I ought not to have distinguished you ought not to have distinguished she ought not to have distinguished we ought not to have distinguished you ought not to have distinguished they ought not to have distinguished	I ought not to have been distinguishing you ought not to have been distinguishing she ought not to have been distinguishing we ought not to have been distinguishing you ought not to have been distinguishing they ought not 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
ought I not to distinguish? ought you not to distinguish? ought she not to distinguish? ought we not to distinguish? ought you not to distinguish? ought they not to distinguish?	ought I not to be distinguishing? ought you not to be distinguishing? ought she not to be distinguishing? ought we not to be distinguishing? ought you not to be distinguishing? ought they not to be distinguishing?
Perfect	V-ing perfect
ought I not to have distinguished? ought you not to have distinguished? ought she not to have distinguished? ought we not to have distinguished? ought you not to have distinguished? ought they not to have distinguished?	ought I not to have been distinguishing? ought you not to have been distinguishing? ought she not to have been distinguishing? ought we not to have been distinguishing? ought you not to have been distinguishing? ought they not to have been distinguishing?