English verb conjugation
OUGHT TO ULULATE

Regular verb: ululate - ululated - ululated

Affirmation

Simple form	V-ing form
I ought to ululate you ought to ululate he ought to ululate we ought to ululate you ought to ululate they ought to ululate	I ought to be ululating you ought to be ululating he ought to be ululating we ought to be ululating you ought to be ululating they ought to be ululating
Perfect	V-ing perfect
I ought to have ululated you ought to have ululated he ought to have ululated we ought to have ululated you ought to have ululated they ought to have ululated	I ought to have been ululating you ought to have been ululating he ought to have been ululating we ought to have been ululating you ought to have been ululating they ought to have been ululating

Negation

Simple form	V-ing form
I oughtn't to ululate you oughtn't to ululate he oughtn't to ululate we oughtn't to ululate you oughtn't to ululate they oughtn't to ululate	I oughtn't to be ululating you oughtn't to be ululating he oughtn't to be ululating we oughtn't to be ululating you oughtn't to be ululating they oughtn't to be ululating
Perfect	V-ing perfect
I oughtn't to have ululated you oughtn't to have ululated he oughtn't to have ululated we oughtn't to have ululated you oughtn't to have ululated they oughtn't to have ululated	I oughtn't to have been ululating you oughtn't to have been ululating he oughtn't to have been ululating we oughtn't to have been ululating you oughtn't to have been ululating they oughtn't to have been ululating

Interrogative form

Simple form	V-ing form
ought to I ululate? ought to you ululate? ought to he ululate? ought to we ululate? ought to you ululate? ought to they ululate?	ought to I be ululating? ought to you be ululating? ought to he be ululating? ought to we be ululating? ought to you be ululating? ought to they be ululating?
Perfect	V-ing perfect
ought to I have ululated? ought to you have ululated? ought to he have ululated? ought to we have ululated? ought to you have ululated? ought to they have ululated?	ought to I have been ululating? ought to you have been ululating? ought to he have been ululating? ought to we have been ululating? ought to you have been ululating? ought to they have been ululating?

Interro-negative form

Simple form	V-ing form
oughtn't I to ululate? oughtn't you to ululate? oughtn't he to ululate? oughtn't we to ululate? oughtn't you to ululate? oughtn't they to ululate?	oughtn't I to be ululating? oughtn't you to be ululating? oughtn't he to be ululating? oughtn't we to be ululating? oughtn't you to be ululating? oughtn't they to be ululating?
Perfect	V-ing perfect
oughtn't I to have ululated? oughtn't you to have ululated? oughtn't he to have ululated? oughtn't we to have ululated? oughtn't you to have ululated? oughtn't they to have ululated?	oughtn't I to have been ululating? oughtn't you to have been ululating? oughtn't he to have been ululating? oughtn't we to have been ululating? oughtn't you to have been ululating? oughtn't they to have been ululating?