could pulsate
Verbo regular: pulsate - pulsated- pulsated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could pulsate
you could pulsate
he could pulsate
we could pulsate
you could pulsate
they could pulsate 	I could be pulsating
you could be pulsating
he could be pulsating
we could be pulsating
you could be pulsating
they could be pulsating	I could have pulsated
you could have pulsated
he could have pulsated
we could have pulsated
you could have pulsated
they could have pulsated	I could have been pulsating
you could have been pulsating
he could have been pulsating
we could have been pulsating
you could have been pulsating
they could have been pulsating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not pulsate
you could not pulsate
he could not pulsate
we could not pulsate
you could not pulsate
they could not pulsate 	I could not be pulsating
you could not be pulsating
he could not be pulsating
we could not be pulsating
you could not be pulsating
they could not be pulsating	I could not have pulsated
you could not have pulsated
he could not have pulsated
we could not have pulsated
you could not have pulsated
they could not have pulsated	I could not have been pulsating
you could not have been pulsating
he could not have been pulsating
we could not have been pulsating
you could not have been pulsating
they could not have been pulsating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I pulsate?
could you pulsate?
could he pulsate?
could we pulsate?
could you pulsate?
could they pulsate? 	could I be pulsating?
could you be pulsating?
could he be pulsating?
could we be pulsating?
could you be pulsating?
could they be pulsating? 	could I have pulsated?
could you have pulsated?
could he have pulsated?
could we have pulsated?
could you have pulsated?
could they have pulsated? 	could I have been pulsating?
could you have been pulsating?
could he have been pulsating?
could we have been pulsating?
could you have been pulsating?
could they have been pulsating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not pulsate?
could you not pulsate?
could he not pulsate?
could we not pulsate?
could you not pulsate?
could they not pulsate? 	could I not be pulsating?
could you not be pulsating?
could he not be pulsating?
could we not be pulsating?
could you not be pulsating?
could they not be pulsating? 	could I not have pulsated?
could you not have pulsated?
could he not have pulsated?
could we not have pulsated?
could you not have pulsated?
could they not have pulsated? 	could I not have been pulsating?
could you not have been pulsating?
could he not have been pulsating?
could we not have been pulsating?
could you not have been pulsating?
could they not have been pulsating?