English verb conjugation
OUGHT TO CEMENT

Regular verb: cement - cemented - cemented

Affirmation

Simple form	V-ing form
I ought to cement you ought to cement he ought to cement we ought to cement you ought to cement they ought to cement	I ought to be cementing you ought to be cementing he ought to be cementing we ought to be cementing you ought to be cementing they ought to be cementing
Perfect	V-ing perfect
I ought to have cemented you ought to have cemented he ought to have cemented we ought to have cemented you ought to have cemented they ought to have cemented	I ought to have been cementing you ought to have been cementing he ought to have been cementing we ought to have been cementing you ought to have been cementing they ought to have been cementing

Negation

Simple form	V-ing form
I oughtn't to cement you oughtn't to cement he oughtn't to cement we oughtn't to cement you oughtn't to cement they oughtn't to cement	I oughtn't to be cementing you oughtn't to be cementing he oughtn't to be cementing we oughtn't to be cementing you oughtn't to be cementing they oughtn't to be cementing
Perfect	V-ing perfect
I oughtn't to have cemented you oughtn't to have cemented he oughtn't to have cemented we oughtn't to have cemented you oughtn't to have cemented they oughtn't to have cemented	I oughtn't to have been cementing you oughtn't to have been cementing he oughtn't to have been cementing we oughtn't to have been cementing you oughtn't to have been cementing they oughtn't to have been cementing

Interrogative form

Simple form	V-ing form
ought to I cement? ought to you cement? ought to he cement? ought to we cement? ought to you cement? ought to they cement?	ought to I be cementing? ought to you be cementing? ought to he be cementing? ought to we be cementing? ought to you be cementing? ought to they be cementing?
Perfect	V-ing perfect
ought to I have cemented? ought to you have cemented? ought to he have cemented? ought to we have cemented? ought to you have cemented? ought to they have cemented?	ought to I have been cementing? ought to you have been cementing? ought to he have been cementing? ought to we have been cementing? ought to you have been cementing? ought to they have been cementing?

Interro-negative form

Simple form	V-ing form
oughtn't I to cement? oughtn't you to cement? oughtn't he to cement? oughtn't we to cement? oughtn't you to cement? oughtn't they to cement?	oughtn't I to be cementing? oughtn't you to be cementing? oughtn't he to be cementing? oughtn't we to be cementing? oughtn't you to be cementing? oughtn't they to be cementing?
Perfect	V-ing perfect
oughtn't I to have cemented? oughtn't you to have cemented? oughtn't he to have cemented? oughtn't we to have cemented? oughtn't you to have cemented? oughtn't they to have cemented?	oughtn't I to have been cementing? oughtn't you to have been cementing? oughtn't he to have been cementing? oughtn't we to have been cementing? oughtn't you to have been cementing? oughtn't they to have been cementing?