English verb conjugation
COULD DAMNIFY

Regular verb: damnify - damnified - damnified

Affirmation

Simple form	V-ing form
I could damnify you could damnify she could damnify we could damnify you could damnify they could damnify	I could be damnifying you could be damnifying she 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 she 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 she 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 she 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 she 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 she 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 she 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 she damnify? could we damnify? could you damnify? could they damnify?	could I be damnifying? could you be damnifying? could she 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 she 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 she 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 she 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 she 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 she 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 she have been damnifying? couldn't we have been damnifying? couldn't you have been damnifying? couldn't they have been damnifying?