could caption
Verbo regular: caption - captioned- captioned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could caption
you could caption
he could caption
we could caption
you could caption
they could caption 	I could be captioning
you could be captioning
he could be captioning
we could be captioning
you could be captioning
they could be captioning	I could have captioned
you could have captioned
he could have captioned
we could have captioned
you could have captioned
they could have captioned	I could have been captioning
you could have been captioning
he could have been captioning
we could have been captioning
you could have been captioning
they could have been captioning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't caption
you couldn't caption
he couldn't caption
we couldn't caption
you couldn't caption
they couldn't caption 	I couldn't be captioning
you couldn't be captioning
he couldn't be captioning
we couldn't be captioning
you couldn't be captioning
they couldn't be captioning	I couldn't have captioned
you couldn't have captioned
he couldn't have captioned
we couldn't have captioned
you couldn't have captioned
they couldn't have captioned	I couldn't have been captioning
you couldn't have been captioning
he couldn't have been captioning
we couldn't have been captioning
you couldn't have been captioning
they couldn't have been captioning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I caption?
could you caption?
could he caption?
could we caption?
could you caption?
could they caption? 	could I be captioning?
could you be captioning?
could he be captioning?
could we be captioning?
could you be captioning?
could they be captioning? 	could I have captioned?
could you have captioned?
could he have captioned?
could we have captioned?
could you have captioned?
could they have captioned? 	could I have been captioning?
could you have been captioning?
could he have been captioning?
could we have been captioning?
could you have been captioning?
could they have been captioning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I caption?
couldn't you caption?
couldn't he caption?
couldn't we caption?
couldn't you caption?
couldn't they caption? 	couldn't I be captioning?
couldn't you be captioning?
couldn't he be captioning?
couldn't we be captioning?
couldn't you be captioning?
couldn't they be captioning? 	couldn't I have captioned?
couldn't you have captioned?
couldn't he have captioned?
couldn't we have captioned?
couldn't you have captioned?
couldn't they have captioned? 	couldn't I have been captioning?
couldn't you have been captioning?
couldn't he have been captioning?
couldn't we have been captioning?
couldn't you have been captioning?
couldn't they have been captioning?