English verb conjugation
COULD REVALUE

Regular verb: revalue - revalued - revalued

Affirmation

Simple form	V-ing form
I could revalue you could revalue she could revalue we could revalue you could revalue they could revalue	I could be revaluing you could be revaluing she could be revaluing we could be revaluing you could be revaluing they could be revaluing
Perfect	V-ing perfect
I could have revalued you could have revalued she could have revalued we could have revalued you could have revalued they could have revalued	I could have been revaluing you could have been revaluing she could have been revaluing we could have been revaluing you could have been revaluing they could have been revaluing

Negation

Simple form	V-ing form
I couldn't revalue you couldn't revalue she couldn't revalue we couldn't revalue you couldn't revalue they couldn't revalue	I couldn't be revaluing you couldn't be revaluing she couldn't be revaluing we couldn't be revaluing you couldn't be revaluing they couldn't be revaluing
Perfect	V-ing perfect
I couldn't have revalued you couldn't have revalued she couldn't have revalued we couldn't have revalued you couldn't have revalued they couldn't have revalued	I couldn't have been revaluing you couldn't have been revaluing she couldn't have been revaluing we couldn't have been revaluing you couldn't have been revaluing they couldn't have been revaluing

Interrogative form

Simple form	V-ing form
could I revalue? could you revalue? could she revalue? could we revalue? could you revalue? could they revalue?	could I be revaluing? could you be revaluing? could she be revaluing? could we be revaluing? could you be revaluing? could they be revaluing?
Perfect	V-ing perfect
could I have revalued? could you have revalued? could she have revalued? could we have revalued? could you have revalued? could they have revalued?	could I have been revaluing? could you have been revaluing? could she have been revaluing? could we have been revaluing? could you have been revaluing? could they have been revaluing?

Interro-negative form

Simple form	V-ing form
couldn't I revalue? couldn't you revalue? couldn't she revalue? couldn't we revalue? couldn't you revalue? couldn't they revalue?	couldn't I be revaluing? couldn't you be revaluing? couldn't she be revaluing? couldn't we be revaluing? couldn't you be revaluing? couldn't they be revaluing?
Perfect	V-ing perfect
couldn't I have revalued? couldn't you have revalued? couldn't she have revalued? couldn't we have revalued? couldn't you have revalued? couldn't they have revalued?	couldn't I have been revaluing? couldn't you have been revaluing? couldn't she have been revaluing? couldn't we have been revaluing? couldn't you have been revaluing? couldn't they have been revaluing?