could soil
Verbo regular: soil - soiled- soiled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could soil
you could soil
he could soil
we could soil
you could soil
they could soil 	I could be soiling
you could be soiling
he could be soiling
we could be soiling
you could be soiling
they could be soiling	I could have soiled
you could have soiled
he could have soiled
we could have soiled
you could have soiled
they could have soiled	I could have been soiling
you could have been soiling
he could have been soiling
we could have been soiling
you could have been soiling
they could have been soiling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not soil
you could not soil
he could not soil
we could not soil
you could not soil
they could not soil 	I could not be soiling
you could not be soiling
he could not be soiling
we could not be soiling
you could not be soiling
they could not be soiling	I could not have soiled
you could not have soiled
he could not have soiled
we could not have soiled
you could not have soiled
they could not have soiled	I could not have been soiling
you could not have been soiling
he could not have been soiling
we could not have been soiling
you could not have been soiling
they could not have been soiling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I soil?
could you soil?
could he soil?
could we soil?
could you soil?
could they soil? 	could I be soiling?
could you be soiling?
could he be soiling?
could we be soiling?
could you be soiling?
could they be soiling? 	could I have soiled?
could you have soiled?
could he have soiled?
could we have soiled?
could you have soiled?
could they have soiled? 	could I have been soiling?
could you have been soiling?
could he have been soiling?
could we have been soiling?
could you have been soiling?
could they have been soiling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not soil?
could you not soil?
could he not soil?
could we not soil?
could you not soil?
could they not soil? 	could I not be soiling?
could you not be soiling?
could he not be soiling?
could we not be soiling?
could you not be soiling?
could they not be soiling? 	could I not have soiled?
could you not have soiled?
could he not have soiled?
could we not have soiled?
could you not have soiled?
could they not have soiled? 	could I not have been soiling?
could you not have been soiling?
could he not have been soiling?
could we not have been soiling?
could you not have been soiling?
could they not have been soiling?