could shear
Verbo irregular: shear - sheared- sheared, shorn

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could shear
you could shear
she could shear
we could shear
you could shear
they could shear 	I could be shearing
you could be shearing
she could be shearing
we could be shearing
you could be shearing
they could be shearing	I could have sheared, shorn
you could have sheared, shorn
she could have sheared, shorn
we could have sheared, shorn
you could have sheared, shorn
they could have sheared, shorn	I could have been shearing
you could have been shearing
she could have been shearing
we could have been shearing
you could have been shearing
they could have been shearing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not shear
you could not shear
she could not shear
we could not shear
you could not shear
they could not shear 	I could not be shearing
you could not be shearing
she could not be shearing
we could not be shearing
you could not be shearing
they could not be shearing	I could not have sheared, shorn
you could not have sheared, shorn
she could not have sheared, shorn
we could not have sheared, shorn
you could not have sheared, shorn
they could not have sheared, shorn	I could not have been shearing
you could not have been shearing
she could not have been shearing
we could not have been shearing
you could not have been shearing
they could not have been shearing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I shear?
could you shear?
could she shear?
could we shear?
could you shear?
could they shear? 	could I be shearing?
could you be shearing?
could she be shearing?
could we be shearing?
could you be shearing?
could they be shearing? 	could I have sheared, shorn?
could you have sheared, shorn?
could she have sheared, shorn?
could we have sheared, shorn?
could you have sheared, shorn?
could they have sheared, shorn? 	could I have been shearing?
could you have been shearing?
could she have been shearing?
could we have been shearing?
could you have been shearing?
could they have been shearing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not shear?
could you not shear?
could she not shear?
could we not shear?
could you not shear?
could they not shear? 	could I not be shearing?
could you not be shearing?
could she not be shearing?
could we not be shearing?
could you not be shearing?
could they not be shearing? 	could I not have sheared, shorn?
could you not have sheared, shorn?
could she not have sheared, shorn?
could we not have sheared, shorn?
could you not have sheared, shorn?
could they not have sheared, shorn? 	could I not have been shearing?
could you not have been shearing?
could she not have been shearing?
could we not have been shearing?
could you not have been shearing?
could they not have been shearing?