could regenerate
Verbo regular: regenerate - regenerated- regenerated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could regenerate
you could regenerate
he could regenerate
we could regenerate
you could regenerate
they could regenerate 	I could be regenerating
you could be regenerating
he could be regenerating
we could be regenerating
you could be regenerating
they could be regenerating	I could have regenerated
you could have regenerated
he could have regenerated
we could have regenerated
you could have regenerated
they could have regenerated	I could have been regenerating
you could have been regenerating
he could have been regenerating
we could have been regenerating
you could have been regenerating
they could have been regenerating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not regenerate
you could not regenerate
he could not regenerate
we could not regenerate
you could not regenerate
they could not regenerate 	I could not be regenerating
you could not be regenerating
he could not be regenerating
we could not be regenerating
you could not be regenerating
they could not be regenerating	I could not have regenerated
you could not have regenerated
he could not have regenerated
we could not have regenerated
you could not have regenerated
they could not have regenerated	I could not have been regenerating
you could not have been regenerating
he could not have been regenerating
we could not have been regenerating
you could not have been regenerating
they could not have been regenerating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I regenerate?
could you regenerate?
could he regenerate?
could we regenerate?
could you regenerate?
could they regenerate? 	could I be regenerating?
could you be regenerating?
could he be regenerating?
could we be regenerating?
could you be regenerating?
could they be regenerating? 	could I have regenerated?
could you have regenerated?
could he have regenerated?
could we have regenerated?
could you have regenerated?
could they have regenerated? 	could I have been regenerating?
could you have been regenerating?
could he have been regenerating?
could we have been regenerating?
could you have been regenerating?
could they have been regenerating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not regenerate?
could you not regenerate?
could he not regenerate?
could we not regenerate?
could you not regenerate?
could they not regenerate? 	could I not be regenerating?
could you not be regenerating?
could he not be regenerating?
could we not be regenerating?
could you not be regenerating?
could they not be regenerating? 	could I not have regenerated?
could you not have regenerated?
could he not have regenerated?
could we not have regenerated?
could you not have regenerated?
could they not have regenerated? 	could I not have been regenerating?
could you not have been regenerating?
could he not have been regenerating?
could we not have been regenerating?
could you not have been regenerating?
could they not have been regenerating?