English verb conjugation
COULD REVERIFY

Regular verb: reverify - reverified - reverified

Affirmation

Simple form	V-ing form
I could reverify you could reverify he could reverify we could reverify you could reverify they could reverify	I could be reverifying you could be reverifying he could be reverifying we could be reverifying you could be reverifying they could be reverifying
Perfect	V-ing perfect
I could have reverified you could have reverified he could have reverified we could have reverified you could have reverified they could have reverified	I could have been reverifying you could have been reverifying he could have been reverifying we could have been reverifying you could have been reverifying they could have been reverifying

Negation

Simple form	V-ing form
I couldn't reverify you couldn't reverify he couldn't reverify we couldn't reverify you couldn't reverify they couldn't reverify	I couldn't be reverifying you couldn't be reverifying he couldn't be reverifying we couldn't be reverifying you couldn't be reverifying they couldn't be reverifying
Perfect	V-ing perfect
I couldn't have reverified you couldn't have reverified he couldn't have reverified we couldn't have reverified you couldn't have reverified they couldn't have reverified	I couldn't have been reverifying you couldn't have been reverifying he couldn't have been reverifying we couldn't have been reverifying you couldn't have been reverifying they couldn't have been reverifying

Interrogative form

Simple form	V-ing form
could I reverify? could you reverify? could he reverify? could we reverify? could you reverify? could they reverify?	could I be reverifying? could you be reverifying? could he be reverifying? could we be reverifying? could you be reverifying? could they be reverifying?
Perfect	V-ing perfect
could I have reverified? could you have reverified? could he have reverified? could we have reverified? could you have reverified? could they have reverified?	could I have been reverifying? could you have been reverifying? could he have been reverifying? could we have been reverifying? could you have been reverifying? could they have been reverifying?

Interro-negative form

Simple form	V-ing form
couldn't I reverify? couldn't you reverify? couldn't he reverify? couldn't we reverify? couldn't you reverify? couldn't they reverify?	couldn't I be reverifying? couldn't you be reverifying? couldn't he be reverifying? couldn't we be reverifying? couldn't you be reverifying? couldn't they be reverifying?
Perfect	V-ing perfect
couldn't I have reverified? couldn't you have reverified? couldn't he have reverified? couldn't we have reverified? couldn't you have reverified? couldn't they have reverified?	couldn't I have been reverifying? couldn't you have been reverifying? couldn't he have been reverifying? couldn't we have been reverifying? couldn't you have been reverifying? couldn't they have been reverifying?