English verb conjugation
COULD RUSSIFY

Regular verb: russify - russified - russified

Affirmation

Simple form	V-ing form
I could russify you could russify he could russify we could russify you could russify they could russify	I could be russifying you could be russifying he could be russifying we could be russifying you could be russifying they could be russifying
Perfect	V-ing perfect
I could have russified you could have russified he could have russified we could have russified you could have russified they could have russified	I could have been russifying you could have been russifying he could have been russifying we could have been russifying you could have been russifying they could have been russifying

Negation

Simple form	V-ing form
I couldn't russify you couldn't russify he couldn't russify we couldn't russify you couldn't russify they couldn't russify	I couldn't be russifying you couldn't be russifying he couldn't be russifying we couldn't be russifying you couldn't be russifying they couldn't be russifying
Perfect	V-ing perfect
I couldn't have russified you couldn't have russified he couldn't have russified we couldn't have russified you couldn't have russified they couldn't have russified	I couldn't have been russifying you couldn't have been russifying he couldn't have been russifying we couldn't have been russifying you couldn't have been russifying they couldn't have been russifying

Interrogative form

Simple form	V-ing form
could I russify? could you russify? could he russify? could we russify? could you russify? could they russify?	could I be russifying? could you be russifying? could he be russifying? could we be russifying? could you be russifying? could they be russifying?
Perfect	V-ing perfect
could I have russified? could you have russified? could he have russified? could we have russified? could you have russified? could they have russified?	could I have been russifying? could you have been russifying? could he have been russifying? could we have been russifying? could you have been russifying? could they have been russifying?

Interro-negative form

Simple form	V-ing form
couldn't I russify? couldn't you russify? couldn't he russify? couldn't we russify? couldn't you russify? couldn't they russify?	couldn't I be russifying? couldn't you be russifying? couldn't he be russifying? couldn't we be russifying? couldn't you be russifying? couldn't they be russifying?
Perfect	V-ing perfect
couldn't I have russified? couldn't you have russified? couldn't he have russified? couldn't we have russified? couldn't you have russified? couldn't they have russified?	couldn't I have been russifying? couldn't you have been russifying? couldn't he have been russifying? couldn't we have been russifying? couldn't you have been russifying? couldn't they have been russifying?