English verb conjugation
COULD DISVALUE

Regular verb: disvalue - disvalued - disvalued

Affirmation

Simple form	V-ing form
I could disvalue you could disvalue he could disvalue we could disvalue you could disvalue they could disvalue	I could be disvaluing you could be disvaluing he could be disvaluing we could be disvaluing you could be disvaluing they could be disvaluing
Perfect	V-ing perfect
I could have disvalued you could have disvalued he could have disvalued we could have disvalued you could have disvalued they could have disvalued	I could have been disvaluing you could have been disvaluing he could have been disvaluing we could have been disvaluing you could have been disvaluing they could have been disvaluing

Negation

Simple form	V-ing form
I couldn't disvalue you couldn't disvalue he couldn't disvalue we couldn't disvalue you couldn't disvalue they couldn't disvalue	I couldn't be disvaluing you couldn't be disvaluing he couldn't be disvaluing we couldn't be disvaluing you couldn't be disvaluing they couldn't be disvaluing
Perfect	V-ing perfect
I couldn't have disvalued you couldn't have disvalued he couldn't have disvalued we couldn't have disvalued you couldn't have disvalued they couldn't have disvalued	I couldn't have been disvaluing you couldn't have been disvaluing he couldn't have been disvaluing we couldn't have been disvaluing you couldn't have been disvaluing they couldn't have been disvaluing

Interrogative form

Simple form	V-ing form
could I disvalue? could you disvalue? could he disvalue? could we disvalue? could you disvalue? could they disvalue?	could I be disvaluing? could you be disvaluing? could he be disvaluing? could we be disvaluing? could you be disvaluing? could they be disvaluing?
Perfect	V-ing perfect
could I have disvalued? could you have disvalued? could he have disvalued? could we have disvalued? could you have disvalued? could they have disvalued?	could I have been disvaluing? could you have been disvaluing? could he have been disvaluing? could we have been disvaluing? could you have been disvaluing? could they have been disvaluing?

Interro-negative form

Simple form	V-ing form
couldn't I disvalue? couldn't you disvalue? couldn't he disvalue? couldn't we disvalue? couldn't you disvalue? couldn't they disvalue?	couldn't I be disvaluing? couldn't you be disvaluing? couldn't he be disvaluing? couldn't we be disvaluing? couldn't you be disvaluing? couldn't they be disvaluing?
Perfect	V-ing perfect
couldn't I have disvalued? couldn't you have disvalued? couldn't he have disvalued? couldn't we have disvalued? couldn't you have disvalued? couldn't they have disvalued?	couldn't I have been disvaluing? couldn't you have been disvaluing? couldn't he have been disvaluing? couldn't we have been disvaluing? couldn't you have been disvaluing? couldn't they have been disvaluing?