could pink
Verbo regular: pink - pinked- pinked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could pink
you could pink
he could pink
we could pink
you could pink
they could pink 	I could be pinking
you could be pinking
he could be pinking
we could be pinking
you could be pinking
they could be pinking	I could have pinked
you could have pinked
he could have pinked
we could have pinked
you could have pinked
they could have pinked	I could have been pinking
you could have been pinking
he could have been pinking
we could have been pinking
you could have been pinking
they could have been pinking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't pink
you couldn't pink
he couldn't pink
we couldn't pink
you couldn't pink
they couldn't pink 	I couldn't be pinking
you couldn't be pinking
he couldn't be pinking
we couldn't be pinking
you couldn't be pinking
they couldn't be pinking	I couldn't have pinked
you couldn't have pinked
he couldn't have pinked
we couldn't have pinked
you couldn't have pinked
they couldn't have pinked	I couldn't have been pinking
you couldn't have been pinking
he couldn't have been pinking
we couldn't have been pinking
you couldn't have been pinking
they couldn't have been pinking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I pink?
could you pink?
could he pink?
could we pink?
could you pink?
could they pink? 	could I be pinking?
could you be pinking?
could he be pinking?
could we be pinking?
could you be pinking?
could they be pinking? 	could I have pinked?
could you have pinked?
could he have pinked?
could we have pinked?
could you have pinked?
could they have pinked? 	could I have been pinking?
could you have been pinking?
could he have been pinking?
could we have been pinking?
could you have been pinking?
could they have been pinking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I pink?
couldn't you pink?
couldn't he pink?
couldn't we pink?
couldn't you pink?
couldn't they pink? 	couldn't I be pinking?
couldn't you be pinking?
couldn't he be pinking?
couldn't we be pinking?
couldn't you be pinking?
couldn't they be pinking? 	couldn't I have pinked?
couldn't you have pinked?
couldn't he have pinked?
couldn't we have pinked?
couldn't you have pinked?
couldn't they have pinked? 	couldn't I have been pinking?
couldn't you have been pinking?
couldn't he have been pinking?
couldn't we have been pinking?
couldn't you have been pinking?
couldn't they have been pinking?