could rejuvenate
Verbo regular: rejuvenate - rejuvenated- rejuvenated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could rejuvenate
you could rejuvenate
he could rejuvenate
we could rejuvenate
you could rejuvenate
they could rejuvenate 	I could be rejuvenating
you could be rejuvenating
he could be rejuvenating
we could be rejuvenating
you could be rejuvenating
they could be rejuvenating	I could have rejuvenated
you could have rejuvenated
he could have rejuvenated
we could have rejuvenated
you could have rejuvenated
they could have rejuvenated	I could have been rejuvenating
you could have been rejuvenating
he could have been rejuvenating
we could have been rejuvenating
you could have been rejuvenating
they could have been rejuvenating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not rejuvenate
you could not rejuvenate
he could not rejuvenate
we could not rejuvenate
you could not rejuvenate
they could not rejuvenate 	I could not be rejuvenating
you could not be rejuvenating
he could not be rejuvenating
we could not be rejuvenating
you could not be rejuvenating
they could not be rejuvenating	I could not have rejuvenated
you could not have rejuvenated
he could not have rejuvenated
we could not have rejuvenated
you could not have rejuvenated
they could not have rejuvenated	I could not have been rejuvenating
you could not have been rejuvenating
he could not have been rejuvenating
we could not have been rejuvenating
you could not have been rejuvenating
they could not have been rejuvenating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I rejuvenate?
could you rejuvenate?
could he rejuvenate?
could we rejuvenate?
could you rejuvenate?
could they rejuvenate? 	could I be rejuvenating?
could you be rejuvenating?
could he be rejuvenating?
could we be rejuvenating?
could you be rejuvenating?
could they be rejuvenating? 	could I have rejuvenated?
could you have rejuvenated?
could he have rejuvenated?
could we have rejuvenated?
could you have rejuvenated?
could they have rejuvenated? 	could I have been rejuvenating?
could you have been rejuvenating?
could he have been rejuvenating?
could we have been rejuvenating?
could you have been rejuvenating?
could they have been rejuvenating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not rejuvenate?
could you not rejuvenate?
could he not rejuvenate?
could we not rejuvenate?
could you not rejuvenate?
could they not rejuvenate? 	could I not be rejuvenating?
could you not be rejuvenating?
could he not be rejuvenating?
could we not be rejuvenating?
could you not be rejuvenating?
could they not be rejuvenating? 	could I not have rejuvenated?
could you not have rejuvenated?
could he not have rejuvenated?
could we not have rejuvenated?
could you not have rejuvenated?
could they not have rejuvenated? 	could I not have been rejuvenating?
could you not have been rejuvenating?
could he not have been rejuvenating?
could we not have been rejuvenating?
could you not have been rejuvenating?
could they not have been rejuvenating?