could ovulate
Verbo regular: ovulate - ovulated- ovulated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could ovulate
you could ovulate
he could ovulate
we could ovulate
you could ovulate
they could ovulate 	I could be ovulating
you could be ovulating
he could be ovulating
we could be ovulating
you could be ovulating
they could be ovulating	I could have ovulated
you could have ovulated
he could have ovulated
we could have ovulated
you could have ovulated
they could have ovulated	I could have been ovulating
you could have been ovulating
he could have been ovulating
we could have been ovulating
you could have been ovulating
they could have been ovulating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not ovulate
you could not ovulate
he could not ovulate
we could not ovulate
you could not ovulate
they could not ovulate 	I could not be ovulating
you could not be ovulating
he could not be ovulating
we could not be ovulating
you could not be ovulating
they could not be ovulating	I could not have ovulated
you could not have ovulated
he could not have ovulated
we could not have ovulated
you could not have ovulated
they could not have ovulated	I could not have been ovulating
you could not have been ovulating
he could not have been ovulating
we could not have been ovulating
you could not have been ovulating
they could not have been ovulating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I ovulate?
could you ovulate?
could he ovulate?
could we ovulate?
could you ovulate?
could they ovulate? 	could I be ovulating?
could you be ovulating?
could he be ovulating?
could we be ovulating?
could you be ovulating?
could they be ovulating? 	could I have ovulated?
could you have ovulated?
could he have ovulated?
could we have ovulated?
could you have ovulated?
could they have ovulated? 	could I have been ovulating?
could you have been ovulating?
could he have been ovulating?
could we have been ovulating?
could you have been ovulating?
could they have been ovulating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not ovulate?
could you not ovulate?
could he not ovulate?
could we not ovulate?
could you not ovulate?
could they not ovulate? 	could I not be ovulating?
could you not be ovulating?
could he not be ovulating?
could we not be ovulating?
could you not be ovulating?
could they not be ovulating? 	could I not have ovulated?
could you not have ovulated?
could he not have ovulated?
could we not have ovulated?
could you not have ovulated?
could they not have ovulated? 	could I not have been ovulating?
could you not have been ovulating?
could he not have been ovulating?
could we not have been ovulating?
could you not have been ovulating?
could they not have been ovulating?