could mound
Verbo regular: mound - mounded- mounded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could mound
you could mound
he could mound
we could mound
you could mound
they could mound 	I could be mounding
you could be mounding
he could be mounding
we could be mounding
you could be mounding
they could be mounding	I could have mounded
you could have mounded
he could have mounded
we could have mounded
you could have mounded
they could have mounded	I could have been mounding
you could have been mounding
he could have been mounding
we could have been mounding
you could have been mounding
they could have been mounding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not mound
you could not mound
he could not mound
we could not mound
you could not mound
they could not mound 	I could not be mounding
you could not be mounding
he could not be mounding
we could not be mounding
you could not be mounding
they could not be mounding	I could not have mounded
you could not have mounded
he could not have mounded
we could not have mounded
you could not have mounded
they could not have mounded	I could not have been mounding
you could not have been mounding
he could not have been mounding
we could not have been mounding
you could not have been mounding
they could not have been mounding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I mound?
could you mound?
could he mound?
could we mound?
could you mound?
could they mound? 	could I be mounding?
could you be mounding?
could he be mounding?
could we be mounding?
could you be mounding?
could they be mounding? 	could I have mounded?
could you have mounded?
could he have mounded?
could we have mounded?
could you have mounded?
could they have mounded? 	could I have been mounding?
could you have been mounding?
could he have been mounding?
could we have been mounding?
could you have been mounding?
could they have been mounding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not mound?
could you not mound?
could he not mound?
could we not mound?
could you not mound?
could they not mound? 	could I not be mounding?
could you not be mounding?
could he not be mounding?
could we not be mounding?
could you not be mounding?
could they not be mounding? 	could I not have mounded?
could you not have mounded?
could he not have mounded?
could we not have mounded?
could you not have mounded?
could they not have mounded? 	could I not have been mounding?
could you not have been mounding?
could he not have been mounding?
could we not have been mounding?
could you not have been mounding?
could they not have been mounding?