could dogsled
Verbo regular: dogsled - dogsleded- dogsleded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could dogsled
you could dogsled
he could dogsled
we could dogsled
you could dogsled
they could dogsled 	I could be dogsleding
you could be dogsleding
he could be dogsleding
we could be dogsleding
you could be dogsleding
they could be dogsleding	I could have dogsleded
you could have dogsleded
he could have dogsleded
we could have dogsleded
you could have dogsleded
they could have dogsleded	I could have been dogsleding
you could have been dogsleding
he could have been dogsleding
we could have been dogsleding
you could have been dogsleding
they could have been dogsleding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not dogsled
you could not dogsled
he could not dogsled
we could not dogsled
you could not dogsled
they could not dogsled 	I could not be dogsleding
you could not be dogsleding
he could not be dogsleding
we could not be dogsleding
you could not be dogsleding
they could not be dogsleding	I could not have dogsleded
you could not have dogsleded
he could not have dogsleded
we could not have dogsleded
you could not have dogsleded
they could not have dogsleded	I could not have been dogsleding
you could not have been dogsleding
he could not have been dogsleding
we could not have been dogsleding
you could not have been dogsleding
they could not have been dogsleding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I dogsled?
could you dogsled?
could he dogsled?
could we dogsled?
could you dogsled?
could they dogsled? 	could I be dogsleding?
could you be dogsleding?
could he be dogsleding?
could we be dogsleding?
could you be dogsleding?
could they be dogsleding? 	could I have dogsleded?
could you have dogsleded?
could he have dogsleded?
could we have dogsleded?
could you have dogsleded?
could they have dogsleded? 	could I have been dogsleding?
could you have been dogsleding?
could he have been dogsleding?
could we have been dogsleding?
could you have been dogsleding?
could they have been dogsleding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not dogsled?
could you not dogsled?
could he not dogsled?
could we not dogsled?
could you not dogsled?
could they not dogsled? 	could I not be dogsleding?
could you not be dogsleding?
could he not be dogsleding?
could we not be dogsleding?
could you not be dogsleding?
could they not be dogsleding? 	could I not have dogsleded?
could you not have dogsleded?
could he not have dogsleded?
could we not have dogsleded?
could you not have dogsleded?
could they not have dogsleded? 	could I not have been dogsleding?
could you not have been dogsleding?
could he not have been dogsleding?
could we not have been dogsleding?
could you not have been dogsleding?
could they not have been dogsleding?