English verb conjugation
OUGHT TO CRAM

Regular verb: cram - crammed - crammed

Affirmation

Simple form	V-ing form
I ought to cram you ought to cram he ought to cram we ought to cram you ought to cram they ought to cram	I ought to be cramming you ought to be cramming he ought to be cramming we ought to be cramming you ought to be cramming they ought to be cramming
Perfect	V-ing perfect
I ought to have crammed you ought to have crammed he ought to have crammed we ought to have crammed you ought to have crammed they ought to have crammed	I ought to have been cramming you ought to have been cramming he ought to have been cramming we ought to have been cramming you ought to have been cramming they ought to have been cramming

Negation

Simple form	V-ing form
I oughtn't to cram you oughtn't to cram he oughtn't to cram we oughtn't to cram you oughtn't to cram they oughtn't to cram	I oughtn't to be cramming you oughtn't to be cramming he oughtn't to be cramming we oughtn't to be cramming you oughtn't to be cramming they oughtn't to be cramming
Perfect	V-ing perfect
I oughtn't to have crammed you oughtn't to have crammed he oughtn't to have crammed we oughtn't to have crammed you oughtn't to have crammed they oughtn't to have crammed	I oughtn't to have been cramming you oughtn't to have been cramming he oughtn't to have been cramming we oughtn't to have been cramming you oughtn't to have been cramming they oughtn't to have been cramming

Interrogative form

Simple form	V-ing form
ought to I cram? ought to you cram? ought to he cram? ought to we cram? ought to you cram? ought to they cram?	ought to I be cramming? ought to you be cramming? ought to he be cramming? ought to we be cramming? ought to you be cramming? ought to they be cramming?
Perfect	V-ing perfect
ought to I have crammed? ought to you have crammed? ought to he have crammed? ought to we have crammed? ought to you have crammed? ought to they have crammed?	ought to I have been cramming? ought to you have been cramming? ought to he have been cramming? ought to we have been cramming? ought to you have been cramming? ought to they have been cramming?

Interro-negative form

Simple form	V-ing form
oughtn't I to cram? oughtn't you to cram? oughtn't he to cram? oughtn't we to cram? oughtn't you to cram? oughtn't they to cram?	oughtn't I to be cramming? oughtn't you to be cramming? oughtn't he to be cramming? oughtn't we to be cramming? oughtn't you to be cramming? oughtn't they to be cramming?
Perfect	V-ing perfect
oughtn't I to have crammed? oughtn't you to have crammed? oughtn't he to have crammed? oughtn't we to have crammed? oughtn't you to have crammed? oughtn't they to have crammed?	oughtn't I to have been cramming? oughtn't you to have been cramming? oughtn't he to have been cramming? oughtn't we to have been cramming? oughtn't you to have been cramming? oughtn't they to have been cramming?