could voyage
Verbo regular: voyage - voyaged- voyaged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could voyage
you could voyage
he could voyage
we could voyage
you could voyage
they could voyage 	I could be voyaging
you could be voyaging
he could be voyaging
we could be voyaging
you could be voyaging
they could be voyaging	I could have voyaged
you could have voyaged
he could have voyaged
we could have voyaged
you could have voyaged
they could have voyaged	I could have been voyaging
you could have been voyaging
he could have been voyaging
we could have been voyaging
you could have been voyaging
they could have been voyaging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't voyage
you couldn't voyage
he couldn't voyage
we couldn't voyage
you couldn't voyage
they couldn't voyage 	I couldn't be voyaging
you couldn't be voyaging
he couldn't be voyaging
we couldn't be voyaging
you couldn't be voyaging
they couldn't be voyaging	I couldn't have voyaged
you couldn't have voyaged
he couldn't have voyaged
we couldn't have voyaged
you couldn't have voyaged
they couldn't have voyaged	I couldn't have been voyaging
you couldn't have been voyaging
he couldn't have been voyaging
we couldn't have been voyaging
you couldn't have been voyaging
they couldn't have been voyaging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I voyage?
could you voyage?
could he voyage?
could we voyage?
could you voyage?
could they voyage? 	could I be voyaging?
could you be voyaging?
could he be voyaging?
could we be voyaging?
could you be voyaging?
could they be voyaging? 	could I have voyaged?
could you have voyaged?
could he have voyaged?
could we have voyaged?
could you have voyaged?
could they have voyaged? 	could I have been voyaging?
could you have been voyaging?
could he have been voyaging?
could we have been voyaging?
could you have been voyaging?
could they have been voyaging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I voyage?
couldn't you voyage?
couldn't he voyage?
couldn't we voyage?
couldn't you voyage?
couldn't they voyage? 	couldn't I be voyaging?
couldn't you be voyaging?
couldn't he be voyaging?
couldn't we be voyaging?
couldn't you be voyaging?
couldn't they be voyaging? 	couldn't I have voyaged?
couldn't you have voyaged?
couldn't he have voyaged?
couldn't we have voyaged?
couldn't you have voyaged?
couldn't they have voyaged? 	couldn't I have been voyaging?
couldn't you have been voyaging?
couldn't he have been voyaging?
couldn't we have been voyaging?
couldn't you have been voyaging?
couldn't they have been voyaging?