could revaluate
Regular verb: revaluate - revaluated- revaluated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could revaluate
you could revaluate
she could revaluate
we could revaluate
you could revaluate
they could revaluate 	I could be revaluating
you could be revaluating
she could be revaluating
we could be revaluating
you could be revaluating
they could be revaluating	I could have revaluated
you could have revaluated
she could have revaluated
we could have revaluated
you could have revaluated
they could have revaluated	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 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't revaluate
you couldn't revaluate
she couldn't revaluate
we couldn't revaluate
you couldn't revaluate
they couldn't revaluate 	I couldn't be revaluating
you couldn't be revaluating
she couldn't be revaluating
we couldn't be revaluating
you couldn't be revaluating
they couldn't be revaluating	I couldn't have revaluated
you couldn't have revaluated
she couldn't have revaluated
we couldn't have revaluated
you couldn't have revaluated
they couldn't have revaluated	I couldn't have been revaluating
you couldn't have been revaluating
she couldn't have been revaluating
we couldn't have been revaluating
you couldn't have been revaluating
they couldn't have been revaluating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I revaluate?
could you revaluate?
could she revaluate?
could we revaluate?
could you revaluate?
could they revaluate? 	could I be revaluating?
could you be revaluating?
could she be revaluating?
could we be revaluating?
could you be revaluating?
could they be revaluating? 	could I have revaluated?
could you have revaluated?
could she have revaluated?
could we have revaluated?
could you have revaluated?
could they have revaluated? 	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 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I revaluate?
couldn't you revaluate?
couldn't she revaluate?
couldn't we revaluate?
couldn't you revaluate?
couldn't they revaluate? 	couldn't I be revaluating?
couldn't you be revaluating?
couldn't she be revaluating?
couldn't we be revaluating?
couldn't you be revaluating?
couldn't they be revaluating? 	couldn't I have revaluated?
couldn't you have revaluated?
couldn't she have revaluated?
couldn't we have revaluated?
couldn't you have revaluated?
couldn't they have revaluated? 	couldn't I have been revaluating?
couldn't you have been revaluating?
couldn't she have been revaluating?
couldn't we have been revaluating?
couldn't you have been revaluating?
couldn't they have been revaluating?