I could revaluate you could revaluate she could revaluate we could revaluate you could revaluate they could revaluate
V-ing form
I could be revaluating you could be revaluating she could be revaluating we could be revaluating you could be revaluating they could be revaluating
Perfect
I could have revaluated you could have revaluated she could have revaluated we could have revaluated you could have revaluated they could have revaluated
V-ing perfect
I could have been revaluating you could have been revaluating she could have been revaluating we could have been revaluating you could have been revaluating they could have been revaluating
Negation
Simple form
I could not revaluate you could not revaluate she could not revaluate we could not revaluate you could not revaluate they could not revaluate
V-ing form
I could not be revaluating you could not be revaluating she could not be revaluating we could not be revaluating you could not be revaluating they could not be revaluating
Perfect
I could not have revaluated you could not have revaluated she could not have revaluated we could not have revaluated you could not have revaluated they could not have revaluated
V-ing perfect
I could not have been revaluating you could not have been revaluating she could not have been revaluating we could not have been revaluating you could not have been revaluating they could not have been revaluating
Interrogative form
Simple form
could I revaluate? could you revaluate? could she revaluate? could we revaluate? could you revaluate? could they revaluate?
V-ing form
could I be revaluating? could you be revaluating? could she be revaluating? could we be revaluating? could you be revaluating? could they be revaluating?
Perfect
could I have revaluated? could you have revaluated? could she have revaluated? could we have revaluated? could you have revaluated? could they have revaluated?
V-ing perfect
could I have been revaluating? could you have been revaluating? could she have been revaluating? could we have been revaluating? could you have been revaluating? could they have been revaluating?
Interro-negative form
Simple form
could I not revaluate? could you not revaluate? could she not revaluate? could we not revaluate? could you not revaluate? could they not revaluate?
V-ing form
could I not be revaluating? could you not be revaluating? could she not be revaluating? could we not be revaluating? could you not be revaluating? could they not be revaluating?
Perfect
could I not have revaluated? could you not have revaluated? could she not have revaluated? could we not have revaluated? could you not have revaluated? could they not have revaluated?
V-ing perfect
could I not have been revaluating? could you not have been revaluating? could she not have been revaluating? could we not have been revaluating? could you not have been revaluating? could they not have been revaluating?