could shoulder
Verbo regular: shoulder - shouldered- shouldered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could shoulder
you could shoulder
she could shoulder
we could shoulder
you could shoulder
they could shoulder 	I could be shouldering
you could be shouldering
she could be shouldering
we could be shouldering
you could be shouldering
they could be shouldering	I could have shouldered
you could have shouldered
she could have shouldered
we could have shouldered
you could have shouldered
they could have shouldered	I could have been shouldering
you could have been shouldering
she could have been shouldering
we could have been shouldering
you could have been shouldering
they could have been shouldering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not shoulder
you could not shoulder
she could not shoulder
we could not shoulder
you could not shoulder
they could not shoulder 	I could not be shouldering
you could not be shouldering
she could not be shouldering
we could not be shouldering
you could not be shouldering
they could not be shouldering	I could not have shouldered
you could not have shouldered
she could not have shouldered
we could not have shouldered
you could not have shouldered
they could not have shouldered	I could not have been shouldering
you could not have been shouldering
she could not have been shouldering
we could not have been shouldering
you could not have been shouldering
they could not have been shouldering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I shoulder?
could you shoulder?
could she shoulder?
could we shoulder?
could you shoulder?
could they shoulder? 	could I be shouldering?
could you be shouldering?
could she be shouldering?
could we be shouldering?
could you be shouldering?
could they be shouldering? 	could I have shouldered?
could you have shouldered?
could she have shouldered?
could we have shouldered?
could you have shouldered?
could they have shouldered? 	could I have been shouldering?
could you have been shouldering?
could she have been shouldering?
could we have been shouldering?
could you have been shouldering?
could they have been shouldering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not shoulder?
could you not shoulder?
could she not shoulder?
could we not shoulder?
could you not shoulder?
could they not shoulder? 	could I not be shouldering?
could you not be shouldering?
could she not be shouldering?
could we not be shouldering?
could you not be shouldering?
could they not be shouldering? 	could I not have shouldered?
could you not have shouldered?
could she not have shouldered?
could we not have shouldered?
could you not have shouldered?
could they not have shouldered? 	could I not have been shouldering?
could you not have been shouldering?
could she not have been shouldering?
could we not have been shouldering?
could you not have been shouldering?
could they not have been shouldering?