English verb conjugation
OUGHT TO CRUMP

Regular verb: crump - crumped - crumped

Affirmation

Simple form	V-ing form
I ought to crump you ought to crump he ought to crump we ought to crump you ought to crump they ought to crump	I ought to be crumping you ought to be crumping he ought to be crumping we ought to be crumping you ought to be crumping they ought to be crumping
Perfect	V-ing perfect
I ought to have crumped you ought to have crumped he ought to have crumped we ought to have crumped you ought to have crumped they ought to have crumped	I ought to have been crumping you ought to have been crumping he ought to have been crumping we ought to have been crumping you ought to have been crumping they ought to have been crumping

Negation

Simple form	V-ing form
I oughtn't to crump you oughtn't to crump he oughtn't to crump we oughtn't to crump you oughtn't to crump they oughtn't to crump	I oughtn't to be crumping you oughtn't to be crumping he oughtn't to be crumping we oughtn't to be crumping you oughtn't to be crumping they oughtn't to be crumping
Perfect	V-ing perfect
I oughtn't to have crumped you oughtn't to have crumped he oughtn't to have crumped we oughtn't to have crumped you oughtn't to have crumped they oughtn't to have crumped	I oughtn't to have been crumping you oughtn't to have been crumping he oughtn't to have been crumping we oughtn't to have been crumping you oughtn't to have been crumping they oughtn't to have been crumping

Interrogative form

Simple form	V-ing form
ought to I crump? ought to you crump? ought to he crump? ought to we crump? ought to you crump? ought to they crump?	ought to I be crumping? ought to you be crumping? ought to he be crumping? ought to we be crumping? ought to you be crumping? ought to they be crumping?
Perfect	V-ing perfect
ought to I have crumped? ought to you have crumped? ought to he have crumped? ought to we have crumped? ought to you have crumped? ought to they have crumped?	ought to I have been crumping? ought to you have been crumping? ought to he have been crumping? ought to we have been crumping? ought to you have been crumping? ought to they have been crumping?

Interro-negative form

Simple form	V-ing form
oughtn't I to crump? oughtn't you to crump? oughtn't he to crump? oughtn't we to crump? oughtn't you to crump? oughtn't they to crump?	oughtn't I to be crumping? oughtn't you to be crumping? oughtn't he to be crumping? oughtn't we to be crumping? oughtn't you to be crumping? oughtn't they to be crumping?
Perfect	V-ing perfect
oughtn't I to have crumped? oughtn't you to have crumped? oughtn't he to have crumped? oughtn't we to have crumped? oughtn't you to have crumped? oughtn't they to have crumped?	oughtn't I to have been crumping? oughtn't you to have been crumping? oughtn't he to have been crumping? oughtn't we to have been crumping? oughtn't you to have been crumping? oughtn't they to have been crumping?