could flush
Verbo regular: flush - flushed- flushed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could flush
you could flush
she could flush
we could flush
you could flush
they could flush 	I could be flushing
you could be flushing
she could be flushing
we could be flushing
you could be flushing
they could be flushing	I could have flushed
you could have flushed
she could have flushed
we could have flushed
you could have flushed
they could have flushed	I could have been flushing
you could have been flushing
she could have been flushing
we could have been flushing
you could have been flushing
they could have been flushing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not flush
you could not flush
she could not flush
we could not flush
you could not flush
they could not flush 	I could not be flushing
you could not be flushing
she could not be flushing
we could not be flushing
you could not be flushing
they could not be flushing	I could not have flushed
you could not have flushed
she could not have flushed
we could not have flushed
you could not have flushed
they could not have flushed	I could not have been flushing
you could not have been flushing
she could not have been flushing
we could not have been flushing
you could not have been flushing
they could not have been flushing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I flush?
could you flush?
could she flush?
could we flush?
could you flush?
could they flush? 	could I be flushing?
could you be flushing?
could she be flushing?
could we be flushing?
could you be flushing?
could they be flushing? 	could I have flushed?
could you have flushed?
could she have flushed?
could we have flushed?
could you have flushed?
could they have flushed? 	could I have been flushing?
could you have been flushing?
could she have been flushing?
could we have been flushing?
could you have been flushing?
could they have been flushing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not flush?
could you not flush?
could she not flush?
could we not flush?
could you not flush?
could they not flush? 	could I not be flushing?
could you not be flushing?
could she not be flushing?
could we not be flushing?
could you not be flushing?
could they not be flushing? 	could I not have flushed?
could you not have flushed?
could she not have flushed?
could we not have flushed?
could you not have flushed?
could they not have flushed? 	could I not have been flushing?
could you not have been flushing?
could she not have been flushing?
could we not have been flushing?
could you not have been flushing?
could they not have been flushing?