English verb conjugation
SHOULD DAM

Regular verb: dam - dammed - dammed

Affirmation

Simple form	V-ing form
I should dam you should dam she should dam we should dam you should dam they should dam	I should be damming you should be damming she should be damming we should be damming you should be damming they should be damming
Perfect	V-ing perfect
I should have dammed you should have dammed she should have dammed we should have dammed you should have dammed they should have dammed	I should have been damming you should have been damming she should have been damming we should have been damming you should have been damming they should have been damming

Negation

Simple form	V-ing form
I should not dam you should not dam she should not dam we should not dam you should not dam they should not dam	I should not be damming you should not be damming she should not be damming we should not be damming you should not be damming they should not be damming
Perfect	V-ing perfect
I should not have dammed you should not have dammed she should not have dammed we should not have dammed you should not have dammed they should not have dammed	I should not have been damming you should not have been damming she should not have been damming we should not have been damming you should not have been damming they should not have been damming

Interrogative form

Simple form	V-ing form
should I dam? should you dam? should she dam? should we dam? should you dam? should they dam?	should I be damming? should you be damming? should she be damming? should we be damming? should you be damming? should they be damming?
Perfect	V-ing perfect
should I have dammed? should you have dammed? should she have dammed? should we have dammed? should you have dammed? should they have dammed?	should I have been damming? should you have been damming? should she have been damming? should we have been damming? should you have been damming? should they have been damming?

Interro-negative form

Simple form	V-ing form
should I not dam? should you not dam? should she not dam? should we not dam? should you not dam? should they not dam?	should I not be damming? should you not be damming? should she not be damming? should we not be damming? should you not be damming? should they not be damming?
Perfect	V-ing perfect
should I not have dammed? should you not have dammed? should she not have dammed? should we not have dammed? should you not have dammed? should they not have dammed?	should I not have been damming? should you not have been damming? should she not have been damming? should we not have been damming? should you not have been damming? should they not have been damming?