could evaluate
Verbo regular: evaluate - evaluated- evaluated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could evaluate
you could evaluate
he could evaluate
we could evaluate
you could evaluate
they could evaluate 	I could be evaluating
you could be evaluating
he could be evaluating
we could be evaluating
you could be evaluating
they could be evaluating	I could have evaluated
you could have evaluated
he could have evaluated
we could have evaluated
you could have evaluated
they could have evaluated	I could have been evaluating
you could have been evaluating
he could have been evaluating
we could have been evaluating
you could have been evaluating
they could have been evaluating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not evaluate
you could not evaluate
he could not evaluate
we could not evaluate
you could not evaluate
they could not evaluate 	I could not be evaluating
you could not be evaluating
he could not be evaluating
we could not be evaluating
you could not be evaluating
they could not be evaluating	I could not have evaluated
you could not have evaluated
he could not have evaluated
we could not have evaluated
you could not have evaluated
they could not have evaluated	I could not have been evaluating
you could not have been evaluating
he could not have been evaluating
we could not have been evaluating
you could not have been evaluating
they could not have been evaluating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I evaluate?
could you evaluate?
could he evaluate?
could we evaluate?
could you evaluate?
could they evaluate? 	could I be evaluating?
could you be evaluating?
could he be evaluating?
could we be evaluating?
could you be evaluating?
could they be evaluating? 	could I have evaluated?
could you have evaluated?
could he have evaluated?
could we have evaluated?
could you have evaluated?
could they have evaluated? 	could I have been evaluating?
could you have been evaluating?
could he have been evaluating?
could we have been evaluating?
could you have been evaluating?
could they have been evaluating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not evaluate?
could you not evaluate?
could he not evaluate?
could we not evaluate?
could you not evaluate?
could they not evaluate? 	could I not be evaluating?
could you not be evaluating?
could he not be evaluating?
could we not be evaluating?
could you not be evaluating?
could they not be evaluating? 	could I not have evaluated?
could you not have evaluated?
could he not have evaluated?
could we not have evaluated?
could you not have evaluated?
could they not have evaluated? 	could I not have been evaluating?
could you not have been evaluating?
could he not have been evaluating?
could we not have been evaluating?
could you not have been evaluating?
could they not have been evaluating?