could grandstand
Verbo regular: grandstand - grandstanded- grandstanded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could grandstand
you could grandstand
she could grandstand
we could grandstand
you could grandstand
they could grandstand 	I could be grandstanding
you could be grandstanding
she could be grandstanding
we could be grandstanding
you could be grandstanding
they could be grandstanding	I could have grandstanded
you could have grandstanded
she could have grandstanded
we could have grandstanded
you could have grandstanded
they could have grandstanded	I could have been grandstanding
you could have been grandstanding
she could have been grandstanding
we could have been grandstanding
you could have been grandstanding
they could have been grandstanding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not grandstand
you could not grandstand
she could not grandstand
we could not grandstand
you could not grandstand
they could not grandstand 	I could not be grandstanding
you could not be grandstanding
she could not be grandstanding
we could not be grandstanding
you could not be grandstanding
they could not be grandstanding	I could not have grandstanded
you could not have grandstanded
she could not have grandstanded
we could not have grandstanded
you could not have grandstanded
they could not have grandstanded	I could not have been grandstanding
you could not have been grandstanding
she could not have been grandstanding
we could not have been grandstanding
you could not have been grandstanding
they could not have been grandstanding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I grandstand?
could you grandstand?
could she grandstand?
could we grandstand?
could you grandstand?
could they grandstand? 	could I be grandstanding?
could you be grandstanding?
could she be grandstanding?
could we be grandstanding?
could you be grandstanding?
could they be grandstanding? 	could I have grandstanded?
could you have grandstanded?
could she have grandstanded?
could we have grandstanded?
could you have grandstanded?
could they have grandstanded? 	could I have been grandstanding?
could you have been grandstanding?
could she have been grandstanding?
could we have been grandstanding?
could you have been grandstanding?
could they have been grandstanding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not grandstand?
could you not grandstand?
could she not grandstand?
could we not grandstand?
could you not grandstand?
could they not grandstand? 	could I not be grandstanding?
could you not be grandstanding?
could she not be grandstanding?
could we not be grandstanding?
could you not be grandstanding?
could they not be grandstanding? 	could I not have grandstanded?
could you not have grandstanded?
could she not have grandstanded?
could we not have grandstanded?
could you not have grandstanded?
could they not have grandstanded? 	could I not have been grandstanding?
could you not have been grandstanding?
could she not have been grandstanding?
could we not have been grandstanding?
could you not have been grandstanding?
could they not have been grandstanding?