English verb conjugation
OUGHT TO DAM

Regular verb: dam - dammed - dammed

Affirmation

Simple form	V-ing form
I ought to dam you ought to dam he ought to dam we ought to dam you ought to dam they ought to dam	I ought to be damming you ought to be damming he ought to be damming we ought to be damming you ought to be damming they ought to be damming
Perfect	V-ing perfect
I ought to have dammed you ought to have dammed he ought to have dammed we ought to have dammed you ought to have dammed they ought to have dammed	I ought to have been damming you ought to have been damming he ought to have been damming we ought to have been damming you ought to have been damming they ought to have been damming

Negation

Simple form	V-ing form
I ought not to dam you ought not to dam he ought not to dam we ought not to dam you ought not to dam they ought not to dam	I ought not to damming you ought not to damming he ought not to damming we ought not to damming you ought not to damming they ought not to damming
Perfect	V-ing perfect
I ought not to have dammed you ought not to have dammed he ought not to have dammed we ought not to have dammed you ought not to have dammed they ought not to have dammed	I ought not to have been damming you ought not to have been damming he ought not to have been damming we ought not to have been damming you ought not to have been damming they ought not to have been damming

Interrogative form

Simple form	V-ing form
ought to I dam? ought to you dam? ought to he dam? ought to we dam? ought to you dam? ought to they dam?	ought to I be damming? ought to you be damming? ought to he be damming? ought to we be damming? ought to you be damming? ought to they be damming?
Perfect	V-ing perfect
ought to I have dammed? ought to you have dammed? ought to he have dammed? ought to we have dammed? ought to you have dammed? ought to they have dammed?	ought to I have been damming? ought to you have been damming? ought to he have been damming? ought to we have been damming? ought to you have been damming? ought to they have been damming?

Interro-negative form

Simple form	V-ing form
ought I not to dam? ought you not to dam? ought he not to dam? ought we not to dam? ought you not to dam? ought they not to dam?	ought I not to be damming? ought you not to be damming? ought he not to be damming? ought we not to be damming? ought you not to be damming? ought they not to be damming?
Perfect	V-ing perfect
ought I not to have dammed? ought you not to have dammed? ought he not to have dammed? ought we not to have dammed? ought you not to have dammed? ought they not to have dammed?	ought I not to have been damming? ought you not to have been damming? ought he not to have been damming? ought we not to have been damming? ought you not to have been damming? ought they not to have been damming?