English verb conjugation
OUGHT TO CRUMPLE

Regular verb: crumple - crumpled - crumpled

Affirmation

Simple form	V-ing form
I ought to crumple you ought to crumple he ought to crumple we ought to crumple you ought to crumple they ought to crumple	I ought to be crumpling you ought to be crumpling he ought to be crumpling we ought to be crumpling you ought to be crumpling they ought to be crumpling
Perfect	V-ing perfect
I ought to have crumpled you ought to have crumpled he ought to have crumpled we ought to have crumpled you ought to have crumpled they ought to have crumpled	I ought to have been crumpling you ought to have been crumpling he ought to have been crumpling we ought to have been crumpling you ought to have been crumpling they ought to have been crumpling

Negation

Simple form	V-ing form
I oughtn't to crumple you oughtn't to crumple he oughtn't to crumple we oughtn't to crumple you oughtn't to crumple they oughtn't to crumple	I oughtn't to be crumpling you oughtn't to be crumpling he oughtn't to be crumpling we oughtn't to be crumpling you oughtn't to be crumpling they oughtn't to be crumpling
Perfect	V-ing perfect
I oughtn't to have crumpled you oughtn't to have crumpled he oughtn't to have crumpled we oughtn't to have crumpled you oughtn't to have crumpled they oughtn't to have crumpled	I oughtn't to have been crumpling you oughtn't to have been crumpling he oughtn't to have been crumpling we oughtn't to have been crumpling you oughtn't to have been crumpling they oughtn't to have been crumpling

Interrogative form

Simple form	V-ing form
ought to I crumple? ought to you crumple? ought to he crumple? ought to we crumple? ought to you crumple? ought to they crumple?	ought to I be crumpling? ought to you be crumpling? ought to he be crumpling? ought to we be crumpling? ought to you be crumpling? ought to they be crumpling?
Perfect	V-ing perfect
ought to I have crumpled? ought to you have crumpled? ought to he have crumpled? ought to we have crumpled? ought to you have crumpled? ought to they have crumpled?	ought to I have been crumpling? ought to you have been crumpling? ought to he have been crumpling? ought to we have been crumpling? ought to you have been crumpling? ought to they have been crumpling?

Interro-negative form

Simple form	V-ing form
oughtn't I to crumple? oughtn't you to crumple? oughtn't he to crumple? oughtn't we to crumple? oughtn't you to crumple? oughtn't they to crumple?	oughtn't I to be crumpling? oughtn't you to be crumpling? oughtn't he to be crumpling? oughtn't we to be crumpling? oughtn't you to be crumpling? oughtn't they to be crumpling?
Perfect	V-ing perfect
oughtn't I to have crumpled? oughtn't you to have crumpled? oughtn't he to have crumpled? oughtn't we to have crumpled? oughtn't you to have crumpled? oughtn't they to have crumpled?	oughtn't I to have been crumpling? oughtn't you to have been crumpling? oughtn't he to have been crumpling? oughtn't we to have been crumpling? oughtn't you to have been crumpling? oughtn't they to have been crumpling?