English verb conjugation
MAY DAM

Regular verb: dam - dammed - dammed

Affirmation

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

Negation

Simple form	V-ing form
I mayn't dam you mayn't dam he mayn't dam we mayn't dam you mayn't dam they mayn't dam	I mayn't be damming you mayn't be damming he mayn't be damming we mayn't be damming you mayn't be damming they mayn't be damming
Perfect	V-ing perfect
I mayn't have dammed you mayn't have dammed he mayn't have dammed we mayn't have dammed you mayn't have dammed they mayn't have dammed	I mayn't have been damming you mayn't have been damming he mayn't have been damming we mayn't have been damming you mayn't have been damming they mayn't have been damming

Interrogative form

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

Interro-negative form

Simple form	V-ing form
mayn't I dam? mayn't you dam? mayn't he dam? mayn't we dam? mayn't you dam? mayn't they dam?	mayn't I be damming? mayn't you be damming? mayn't he be damming? mayn't we be damming? mayn't you be damming? mayn't they be damming?
Perfect	V-ing perfect
mayn't I have dammed? mayn't you have dammed? mayn't he have dammed? mayn't we have dammed? mayn't you have dammed? mayn't they have dammed?	mayn't I have been damming? mayn't you have been damming? mayn't he have been damming? mayn't we have been damming? mayn't you have been damming? mayn't they have been damming?