could pulse
Verbo regular: pulse - pulsed- pulsed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could pulse
you could pulse
he could pulse
we could pulse
you could pulse
they could pulse 	I could be pulsing
you could be pulsing
he could be pulsing
we could be pulsing
you could be pulsing
they could be pulsing	I could have pulsed
you could have pulsed
he could have pulsed
we could have pulsed
you could have pulsed
they could have pulsed	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 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't pulse
you couldn't pulse
he couldn't pulse
we couldn't pulse
you couldn't pulse
they couldn't pulse 	I couldn't be pulsing
you couldn't be pulsing
he couldn't be pulsing
we couldn't be pulsing
you couldn't be pulsing
they couldn't be pulsing	I couldn't have pulsed
you couldn't have pulsed
he couldn't have pulsed
we couldn't have pulsed
you couldn't have pulsed
they couldn't have pulsed	I couldn't have been pulsing
you couldn't have been pulsing
he couldn't have been pulsing
we couldn't have been pulsing
you couldn't have been pulsing
they couldn't have been pulsing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I pulse?
could you pulse?
could he pulse?
could we pulse?
could you pulse?
could they pulse? 	could I be pulsing?
could you be pulsing?
could he be pulsing?
could we be pulsing?
could you be pulsing?
could they be pulsing? 	could I have pulsed?
could you have pulsed?
could he have pulsed?
could we have pulsed?
could you have pulsed?
could they have pulsed? 	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 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I pulse?
couldn't you pulse?
couldn't he pulse?
couldn't we pulse?
couldn't you pulse?
couldn't they pulse? 	couldn't I be pulsing?
couldn't you be pulsing?
couldn't he be pulsing?
couldn't we be pulsing?
couldn't you be pulsing?
couldn't they be pulsing? 	couldn't I have pulsed?
couldn't you have pulsed?
couldn't he have pulsed?
couldn't we have pulsed?
couldn't you have pulsed?
couldn't they have pulsed? 	couldn't I have been pulsing?
couldn't you have been pulsing?
couldn't he have been pulsing?
couldn't we have been pulsing?
couldn't you have been pulsing?
couldn't they have been pulsing?