could pillar
Verbo regular: pillar - pillared- pillared

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could pillar
you could pillar
he could pillar
we could pillar
you could pillar
they could pillar 	I could be pillaring
you could be pillaring
he could be pillaring
we could be pillaring
you could be pillaring
they could be pillaring	I could have pillared
you could have pillared
he could have pillared
we could have pillared
you could have pillared
they could have pillared	I could have been pillaring
you could have been pillaring
he could have been pillaring
we could have been pillaring
you could have been pillaring
they could have been pillaring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not pillar
you could not pillar
he could not pillar
we could not pillar
you could not pillar
they could not pillar 	I could not be pillaring
you could not be pillaring
he could not be pillaring
we could not be pillaring
you could not be pillaring
they could not be pillaring	I could not have pillared
you could not have pillared
he could not have pillared
we could not have pillared
you could not have pillared
they could not have pillared	I could not have been pillaring
you could not have been pillaring
he could not have been pillaring
we could not have been pillaring
you could not have been pillaring
they could not have been pillaring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I pillar?
could you pillar?
could he pillar?
could we pillar?
could you pillar?
could they pillar? 	could I be pillaring?
could you be pillaring?
could he be pillaring?
could we be pillaring?
could you be pillaring?
could they be pillaring? 	could I have pillared?
could you have pillared?
could he have pillared?
could we have pillared?
could you have pillared?
could they have pillared? 	could I have been pillaring?
could you have been pillaring?
could he have been pillaring?
could we have been pillaring?
could you have been pillaring?
could they have been pillaring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not pillar?
could you not pillar?
could he not pillar?
could we not pillar?
could you not pillar?
could they not pillar? 	could I not be pillaring?
could you not be pillaring?
could he not be pillaring?
could we not be pillaring?
could you not be pillaring?
could they not be pillaring? 	could I not have pillared?
could you not have pillared?
could he not have pillared?
could we not have pillared?
could you not have pillared?
could they not have pillared? 	could I not have been pillaring?
could you not have been pillaring?
could he not have been pillaring?
could we not have been pillaring?
could you not have been pillaring?
could they not have been pillaring?