I could pulse you could pulse he could pulse we could pulse you could pulse they could pulse
Forma com V-ing
I could be pulsing you could be pulsing he could be pulsing we could be pulsing you could be pulsing they could be pulsing
Perfeito
I could have pulsed you could have pulsed he could have pulsed we could have pulsed you could have pulsed they could have pulsed
Perfeito com V-ing
I could have been pulsing you could have been pulsing he could have been pulsing we could have been pulsing you could have been pulsing they could have been pulsing
Negação
Forma simple
I could not pulse you could not pulse he could not pulse we could not pulse you could not pulse they could not pulse
Forma com V-ing
I could not be pulsing you could not be pulsing he could not be pulsing we could not be pulsing you could not be pulsing they could not be pulsing
Perfeito
I could not have pulsed you could not have pulsed he could not have pulsed we could not have pulsed you could not have pulsed they could not have pulsed
Perfeito com V-ing
I could not have been pulsing you could not have been pulsing he could not have been pulsing we could not have been pulsing you could not have been pulsing they could not have been pulsing
Forma interrogativa
Forma simple
could I pulse? could you pulse? could he pulse? could we pulse? could you pulse? could they pulse?
Forma com V-ing
could I be pulsing? could you be pulsing? could he be pulsing? could we be pulsing? could you be pulsing? could they be pulsing?
Perfeito
could I have pulsed? could you have pulsed? could he have pulsed? could we have pulsed? could you have pulsed? could they have pulsed?
Perfeito com V-ing
could I have been pulsing? could you have been pulsing? could he have been pulsing? could we have been pulsing? could you have been pulsing? could they have been pulsing?
Forma interro-Negação
Forma simple
could I not pulse? could you not pulse? could he not pulse? could we not pulse? could you not pulse? could they not pulse?
Forma com V-ing
could I not be pulsing? could you not be pulsing? could he not be pulsing? could we not be pulsing? could you not be pulsing? could they not be pulsing?
Perfeito
could I not have pulsed? could you not have pulsed? could he not have pulsed? could we not have pulsed? could you not have pulsed? could they not have pulsed?
Perfeito com V-ing
could I not have been pulsing? could you not have been pulsing? could he not have been pulsing? could we not have been pulsing? could you not have been pulsing? could they not have been pulsing?