could cerebrate
Verbo regular: cerebrate - cerebrated- cerebrated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could cerebrate
you could cerebrate
he could cerebrate
we could cerebrate
you could cerebrate
they could cerebrate 	I could be cerebrating
you could be cerebrating
he could be cerebrating
we could be cerebrating
you could be cerebrating
they could be cerebrating	I could have cerebrated
you could have cerebrated
he could have cerebrated
we could have cerebrated
you could have cerebrated
they could have cerebrated	I could have been cerebrating
you could have been cerebrating
he could have been cerebrating
we could have been cerebrating
you could have been cerebrating
they could have been cerebrating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not cerebrate
you could not cerebrate
he could not cerebrate
we could not cerebrate
you could not cerebrate
they could not cerebrate 	I could not be cerebrating
you could not be cerebrating
he could not be cerebrating
we could not be cerebrating
you could not be cerebrating
they could not be cerebrating	I could not have cerebrated
you could not have cerebrated
he could not have cerebrated
we could not have cerebrated
you could not have cerebrated
they could not have cerebrated	I could not have been cerebrating
you could not have been cerebrating
he could not have been cerebrating
we could not have been cerebrating
you could not have been cerebrating
they could not have been cerebrating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I cerebrate?
could you cerebrate?
could he cerebrate?
could we cerebrate?
could you cerebrate?
could they cerebrate? 	could I be cerebrating?
could you be cerebrating?
could he be cerebrating?
could we be cerebrating?
could you be cerebrating?
could they be cerebrating? 	could I have cerebrated?
could you have cerebrated?
could he have cerebrated?
could we have cerebrated?
could you have cerebrated?
could they have cerebrated? 	could I have been cerebrating?
could you have been cerebrating?
could he have been cerebrating?
could we have been cerebrating?
could you have been cerebrating?
could they have been cerebrating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not cerebrate?
could you not cerebrate?
could he not cerebrate?
could we not cerebrate?
could you not cerebrate?
could they not cerebrate? 	could I not be cerebrating?
could you not be cerebrating?
could he not be cerebrating?
could we not be cerebrating?
could you not be cerebrating?
could they not be cerebrating? 	could I not have cerebrated?
could you not have cerebrated?
could he not have cerebrated?
could we not have cerebrated?
could you not have cerebrated?
could they not have cerebrated? 	could I not have been cerebrating?
could you not have been cerebrating?
could he not have been cerebrating?
could we not have been cerebrating?
could you not have been cerebrating?
could they not have been cerebrating?