English verb conjugation
OUGHT TO PIP

Regular verb: pip - pipped - pipped

Affirmation

Simple form	V-ing form
I ought to pip you ought to pip she ought to pip we ought to pip you ought to pip they ought to pip	I ought to be pipping you ought to be pipping she ought to be pipping we ought to be pipping you ought to be pipping they ought to be pipping
Perfect	V-ing perfect
I ought to have pipped you ought to have pipped she ought to have pipped we ought to have pipped you ought to have pipped they ought to have pipped	I ought to have been pipping you ought to have been pipping she ought to have been pipping we ought to have been pipping you ought to have been pipping they ought to have been pipping

Negation

Simple form	V-ing form
I oughtn't to pip you oughtn't to pip she oughtn't to pip we oughtn't to pip you oughtn't to pip they oughtn't to pip	I oughtn't to be pipping you oughtn't to be pipping she oughtn't to be pipping we oughtn't to be pipping you oughtn't to be pipping they oughtn't to be pipping
Perfect	V-ing perfect
I oughtn't to have pipped you oughtn't to have pipped she oughtn't to have pipped we oughtn't to have pipped you oughtn't to have pipped they oughtn't to have pipped	I oughtn't to have been pipping you oughtn't to have been pipping she oughtn't to have been pipping we oughtn't to have been pipping you oughtn't to have been pipping they oughtn't to have been pipping

Interrogative form

Simple form	V-ing form
ought to I pip? ought to you pip? ought to she pip? ought to we pip? ought to you pip? ought to they pip?	ought to I be pipping? ought to you be pipping? ought to she be pipping? ought to we be pipping? ought to you be pipping? ought to they be pipping?
Perfect	V-ing perfect
ought to I have pipped? ought to you have pipped? ought to she have pipped? ought to we have pipped? ought to you have pipped? ought to they have pipped?	ought to I have been pipping? ought to you have been pipping? ought to she have been pipping? ought to we have been pipping? ought to you have been pipping? ought to they have been pipping?

Interro-negative form

Simple form	V-ing form
oughtn't I to pip? oughtn't you to pip? oughtn't she to pip? oughtn't we to pip? oughtn't you to pip? oughtn't they to pip?	oughtn't I to be pipping? oughtn't you to be pipping? oughtn't she to be pipping? oughtn't we to be pipping? oughtn't you to be pipping? oughtn't they to be pipping?
Perfect	V-ing perfect
oughtn't I to have pipped? oughtn't you to have pipped? oughtn't she to have pipped? oughtn't we to have pipped? oughtn't you to have pipped? oughtn't they to have pipped?	oughtn't I to have been pipping? oughtn't you to have been pipping? oughtn't she to have been pipping? oughtn't we to have been pipping? oughtn't you to have been pipping? oughtn't they to have been pipping?