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

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could shear
you could shear
he could shear
we could shear
you could shear
they could shear 	I could be shearing
you could be shearing
he 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
he 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
he could have been shearing
we could have been shearing
you could have been shearing
they could have been shearing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not shear
you could not shear
he 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
he 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
he 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
he 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
could I shear?
could you shear?
could he shear?
could we shear?
could you shear?
could they shear? 	could I be shearing?
could you be shearing?
could he 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 he 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 he have been shearing?
could we have been shearing?
could you have been shearing?
could they have been shearing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not shear?
could you not shear?
could he 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 he 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 he 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 he not have been shearing?
could we not have been shearing?
could you not have been shearing?
could they not have been shearing?