English verb conjugation
COULD CONSIGN

Regular verb: consign - consigned - consigned

Affirmation

Simple form	V-ing form
I could consign you could consign he could consign we could consign you could consign they could consign	I could be consigning you could be consigning he could be consigning we could be consigning you could be consigning they could be consigning
Perfect	V-ing perfect
I could have consigned you could have consigned he could have consigned we could have consigned you could have consigned they could have consigned	I could have been consigning you could have been consigning he could have been consigning we could have been consigning you could have been consigning they could have been consigning

Negation

Simple form	V-ing form
I couldn't consign you couldn't consign he couldn't consign we couldn't consign you couldn't consign they couldn't consign	I couldn't be consigning you couldn't be consigning he couldn't be consigning we couldn't be consigning you couldn't be consigning they couldn't be consigning
Perfect	V-ing perfect
I couldn't have consigned you couldn't have consigned he couldn't have consigned we couldn't have consigned you couldn't have consigned they couldn't have consigned	I couldn't have been consigning you couldn't have been consigning he couldn't have been consigning we couldn't have been consigning you couldn't have been consigning they couldn't have been consigning

Interrogative form

Simple form	V-ing form
could I consign? could you consign? could he consign? could we consign? could you consign? could they consign?	could I be consigning? could you be consigning? could he be consigning? could we be consigning? could you be consigning? could they be consigning?
Perfect	V-ing perfect
could I have consigned? could you have consigned? could he have consigned? could we have consigned? could you have consigned? could they have consigned?	could I have been consigning? could you have been consigning? could he have been consigning? could we have been consigning? could you have been consigning? could they have been consigning?

Interro-negative form

Simple form	V-ing form
couldn't I consign? couldn't you consign? couldn't he consign? couldn't we consign? couldn't you consign? couldn't they consign?	couldn't I be consigning? couldn't you be consigning? couldn't he be consigning? couldn't we be consigning? couldn't you be consigning? couldn't they be consigning?
Perfect	V-ing perfect
couldn't I have consigned? couldn't you have consigned? couldn't he have consigned? couldn't we have consigned? couldn't you have consigned? couldn't they have consigned?	couldn't I have been consigning? couldn't you have been consigning? couldn't he have been consigning? couldn't we have been consigning? couldn't you have been consigning? couldn't they have been consigning?