English verb conjugation
OUGHT TO YOWL

Regular verb: yowl - yowled - yowled

Affirmation

Simple form	V-ing form
I ought to yowl you ought to yowl he ought to yowl we ought to yowl you ought to yowl they ought to yowl	I ought to be yowling you ought to be yowling he ought to be yowling we ought to be yowling you ought to be yowling they ought to be yowling
Perfect	V-ing perfect
I ought to have yowled you ought to have yowled he ought to have yowled we ought to have yowled you ought to have yowled they ought to have yowled	I ought to have been yowling you ought to have been yowling he ought to have been yowling we ought to have been yowling you ought to have been yowling they ought to have been yowling

Negation

Simple form	V-ing form
I oughtn't to yowl you oughtn't to yowl he oughtn't to yowl we oughtn't to yowl you oughtn't to yowl they oughtn't to yowl	I oughtn't to be yowling you oughtn't to be yowling he oughtn't to be yowling we oughtn't to be yowling you oughtn't to be yowling they oughtn't to be yowling
Perfect	V-ing perfect
I oughtn't to have yowled you oughtn't to have yowled he oughtn't to have yowled we oughtn't to have yowled you oughtn't to have yowled they oughtn't to have yowled	I oughtn't to have been yowling you oughtn't to have been yowling he oughtn't to have been yowling we oughtn't to have been yowling you oughtn't to have been yowling they oughtn't to have been yowling

Interrogative form

Simple form	V-ing form
ought to I yowl? ought to you yowl? ought to he yowl? ought to we yowl? ought to you yowl? ought to they yowl?	ought to I be yowling? ought to you be yowling? ought to he be yowling? ought to we be yowling? ought to you be yowling? ought to they be yowling?
Perfect	V-ing perfect
ought to I have yowled? ought to you have yowled? ought to he have yowled? ought to we have yowled? ought to you have yowled? ought to they have yowled?	ought to I have been yowling? ought to you have been yowling? ought to he have been yowling? ought to we have been yowling? ought to you have been yowling? ought to they have been yowling?

Interro-negative form

Simple form	V-ing form
oughtn't I to yowl? oughtn't you to yowl? oughtn't he to yowl? oughtn't we to yowl? oughtn't you to yowl? oughtn't they to yowl?	oughtn't I to be yowling? oughtn't you to be yowling? oughtn't he to be yowling? oughtn't we to be yowling? oughtn't you to be yowling? oughtn't they to be yowling?
Perfect	V-ing perfect
oughtn't I to have yowled? oughtn't you to have yowled? oughtn't he to have yowled? oughtn't we to have yowled? oughtn't you to have yowled? oughtn't they to have yowled?	oughtn't I to have been yowling? oughtn't you to have been yowling? oughtn't he to have been yowling? oughtn't we to have been yowling? oughtn't you to have been yowling? oughtn't they to have been yowling?