could pond
Verbo regular: pond - ponded- ponded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could pond
you could pond
he could pond
we could pond
you could pond
they could pond 	I could be ponding
you could be ponding
he could be ponding
we could be ponding
you could be ponding
they could be ponding	I could have ponded
you could have ponded
he could have ponded
we could have ponded
you could have ponded
they could have ponded	I could have been ponding
you could have been ponding
he could have been ponding
we could have been ponding
you could have been ponding
they could have been ponding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not pond
you could not pond
he could not pond
we could not pond
you could not pond
they could not pond 	I could not be ponding
you could not be ponding
he could not be ponding
we could not be ponding
you could not be ponding
they could not be ponding	I could not have ponded
you could not have ponded
he could not have ponded
we could not have ponded
you could not have ponded
they could not have ponded	I could not have been ponding
you could not have been ponding
he could not have been ponding
we could not have been ponding
you could not have been ponding
they could not have been ponding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I pond?
could you pond?
could he pond?
could we pond?
could you pond?
could they pond? 	could I be ponding?
could you be ponding?
could he be ponding?
could we be ponding?
could you be ponding?
could they be ponding? 	could I have ponded?
could you have ponded?
could he have ponded?
could we have ponded?
could you have ponded?
could they have ponded? 	could I have been ponding?
could you have been ponding?
could he have been ponding?
could we have been ponding?
could you have been ponding?
could they have been ponding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not pond?
could you not pond?
could he not pond?
could we not pond?
could you not pond?
could they not pond? 	could I not be ponding?
could you not be ponding?
could he not be ponding?
could we not be ponding?
could you not be ponding?
could they not be ponding? 	could I not have ponded?
could you not have ponded?
could he not have ponded?
could we not have ponded?
could you not have ponded?
could they not have ponded? 	could I not have been ponding?
could you not have been ponding?
could he not have been ponding?
could we not have been ponding?
could you not have been ponding?
could they not have been ponding?