English verb conjugation
OUGHT TO PERCH

Regular verb: perch - perched - perched

Affirmation

Simple form	V-ing form
I ought to perch you ought to perch he ought to perch we ought to perch you ought to perch they ought to perch	I ought to be perching you ought to be perching he ought to be perching we ought to be perching you ought to be perching they ought to be perching
Perfect	V-ing perfect
I ought to have perched you ought to have perched he ought to have perched we ought to have perched you ought to have perched they ought to have perched	I ought to have been perching you ought to have been perching he ought to have been perching we ought to have been perching you ought to have been perching they ought to have been perching

Negation

Simple form	V-ing form
I oughtn't to perch you oughtn't to perch he oughtn't to perch we oughtn't to perch you oughtn't to perch they oughtn't to perch	I oughtn't to be perching you oughtn't to be perching he oughtn't to be perching we oughtn't to be perching you oughtn't to be perching they oughtn't to be perching
Perfect	V-ing perfect
I oughtn't to have perched you oughtn't to have perched he oughtn't to have perched we oughtn't to have perched you oughtn't to have perched they oughtn't to have perched	I oughtn't to have been perching you oughtn't to have been perching he oughtn't to have been perching we oughtn't to have been perching you oughtn't to have been perching they oughtn't to have been perching

Interrogative form

Simple form	V-ing form
ought to I perch? ought to you perch? ought to he perch? ought to we perch? ought to you perch? ought to they perch?	ought to I be perching? ought to you be perching? ought to he be perching? ought to we be perching? ought to you be perching? ought to they be perching?
Perfect	V-ing perfect
ought to I have perched? ought to you have perched? ought to he have perched? ought to we have perched? ought to you have perched? ought to they have perched?	ought to I have been perching? ought to you have been perching? ought to he have been perching? ought to we have been perching? ought to you have been perching? ought to they have been perching?

Interro-negative form

Simple form	V-ing form
oughtn't I to perch? oughtn't you to perch? oughtn't he to perch? oughtn't we to perch? oughtn't you to perch? oughtn't they to perch?	oughtn't I to be perching? oughtn't you to be perching? oughtn't he to be perching? oughtn't we to be perching? oughtn't you to be perching? oughtn't they to be perching?
Perfect	V-ing perfect
oughtn't I to have perched? oughtn't you to have perched? oughtn't he to have perched? oughtn't we to have perched? oughtn't you to have perched? oughtn't they to have perched?	oughtn't I to have been perching? oughtn't you to have been perching? oughtn't he to have been perching? oughtn't we to have been perching? oughtn't you to have been perching? oughtn't they to have been perching?