English verb conjugation
COULD DAMNIFY

Regular verb: damnify - damnified - damnified

Affirmation

Simple form	V-ing form
I could damnify you could damnify he could damnify we could damnify you could damnify they could damnify	I could be damnifying you could be damnifying he could be damnifying we could be damnifying you could be damnifying they could be damnifying
Perfect	V-ing perfect
I could have damnified you could have damnified he could have damnified we could have damnified you could have damnified they could have damnified	I could have been damnifying you could have been damnifying he could have been damnifying we could have been damnifying you could have been damnifying they could have been damnifying

Negation

Simple form	V-ing form
I couldn't damnify you couldn't damnify he couldn't damnify we couldn't damnify you couldn't damnify they couldn't damnify	I couldn't be damnifying you couldn't be damnifying he couldn't be damnifying we couldn't be damnifying you couldn't be damnifying they couldn't be damnifying
Perfect	V-ing perfect
I couldn't have damnified you couldn't have damnified he couldn't have damnified we couldn't have damnified you couldn't have damnified they couldn't have damnified	I couldn't have been damnifying you couldn't have been damnifying he couldn't have been damnifying we couldn't have been damnifying you couldn't have been damnifying they couldn't have been damnifying

Interrogative form

Simple form	V-ing form
could I damnify? could you damnify? could he damnify? could we damnify? could you damnify? could they damnify?	could I be damnifying? could you be damnifying? could he be damnifying? could we be damnifying? could you be damnifying? could they be damnifying?
Perfect	V-ing perfect
could I have damnified? could you have damnified? could he have damnified? could we have damnified? could you have damnified? could they have damnified?	could I have been damnifying? could you have been damnifying? could he have been damnifying? could we have been damnifying? could you have been damnifying? could they have been damnifying?

Interro-negative form

Simple form	V-ing form
couldn't I damnify? couldn't you damnify? couldn't he damnify? couldn't we damnify? couldn't you damnify? couldn't they damnify?	couldn't I be damnifying? couldn't you be damnifying? couldn't he be damnifying? couldn't we be damnifying? couldn't you be damnifying? couldn't they be damnifying?
Perfect	V-ing perfect
couldn't I have damnified? couldn't you have damnified? couldn't he have damnified? couldn't we have damnified? couldn't you have damnified? couldn't they have damnified?	couldn't I have been damnifying? couldn't you have been damnifying? couldn't he have been damnifying? couldn't we have been damnifying? couldn't you have been damnifying? couldn't they have been damnifying?