I ought to crumple you ought to crumple he ought to crumple we ought to crumple you ought to crumple they ought to crumple
V-ing form
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
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
V-ing perfect
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
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
V-ing form
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
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
V-ing perfect
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
ought to I crumple? ought to you crumple? ought to he crumple? ought to we crumple? ought to you crumple? ought to they crumple?
V-ing form
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
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?
V-ing perfect
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
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?
V-ing form
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
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?
V-ing perfect
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?