could slog
Verbo regular: slog - slogged- slogged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could slog
you could slog
he could slog
we could slog
you could slog
they could slog 	I could be slogging
you could be slogging
he could be slogging
we could be slogging
you could be slogging
they could be slogging	I could have slogged
you could have slogged
he could have slogged
we could have slogged
you could have slogged
they could have slogged	I could have been slogging
you could have been slogging
he could have been slogging
we could have been slogging
you could have been slogging
they could have been slogging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not slog
you could not slog
he could not slog
we could not slog
you could not slog
they could not slog 	I could not be slogging
you could not be slogging
he could not be slogging
we could not be slogging
you could not be slogging
they could not be slogging	I could not have slogged
you could not have slogged
he could not have slogged
we could not have slogged
you could not have slogged
they could not have slogged	I could not have been slogging
you could not have been slogging
he could not have been slogging
we could not have been slogging
you could not have been slogging
they could not have been slogging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I slog?
could you slog?
could he slog?
could we slog?
could you slog?
could they slog? 	could I be slogging?
could you be slogging?
could he be slogging?
could we be slogging?
could you be slogging?
could they be slogging? 	could I have slogged?
could you have slogged?
could he have slogged?
could we have slogged?
could you have slogged?
could they have slogged? 	could I have been slogging?
could you have been slogging?
could he have been slogging?
could we have been slogging?
could you have been slogging?
could they have been slogging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not slog?
could you not slog?
could he not slog?
could we not slog?
could you not slog?
could they not slog? 	could I not be slogging?
could you not be slogging?
could he not be slogging?
could we not be slogging?
could you not be slogging?
could they not be slogging? 	could I not have slogged?
could you not have slogged?
could he not have slogged?
could we not have slogged?
could you not have slogged?
could they not have slogged? 	could I not have been slogging?
could you not have been slogging?
could he not have been slogging?
could we not have been slogging?
could you not have been slogging?
could they not have been slogging?