could dub
Verbo regular: dub - dubbed- dubbed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could dub
you could dub
he could dub
we could dub
you could dub
they could dub 	I could be dubbing
you could be dubbing
he could be dubbing
we could be dubbing
you could be dubbing
they could be dubbing	I could have dubbed
you could have dubbed
he could have dubbed
we could have dubbed
you could have dubbed
they could have dubbed	I could have been dubbing
you could have been dubbing
he could have been dubbing
we could have been dubbing
you could have been dubbing
they could have been dubbing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't dub
you couldn't dub
he couldn't dub
we couldn't dub
you couldn't dub
they couldn't dub 	I couldn't be dubbing
you couldn't be dubbing
he couldn't be dubbing
we couldn't be dubbing
you couldn't be dubbing
they couldn't be dubbing	I couldn't have dubbed
you couldn't have dubbed
he couldn't have dubbed
we couldn't have dubbed
you couldn't have dubbed
they couldn't have dubbed	I couldn't have been dubbing
you couldn't have been dubbing
he couldn't have been dubbing
we couldn't have been dubbing
you couldn't have been dubbing
they couldn't have been dubbing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I dub?
could you dub?
could he dub?
could we dub?
could you dub?
could they dub? 	could I be dubbing?
could you be dubbing?
could he be dubbing?
could we be dubbing?
could you be dubbing?
could they be dubbing? 	could I have dubbed?
could you have dubbed?
could he have dubbed?
could we have dubbed?
could you have dubbed?
could they have dubbed? 	could I have been dubbing?
could you have been dubbing?
could he have been dubbing?
could we have been dubbing?
could you have been dubbing?
could they have been dubbing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I dub?
couldn't you dub?
couldn't he dub?
couldn't we dub?
couldn't you dub?
couldn't they dub? 	couldn't I be dubbing?
couldn't you be dubbing?
couldn't he be dubbing?
couldn't we be dubbing?
couldn't you be dubbing?
couldn't they be dubbing? 	couldn't I have dubbed?
couldn't you have dubbed?
couldn't he have dubbed?
couldn't we have dubbed?
couldn't you have dubbed?
couldn't they have dubbed? 	couldn't I have been dubbing?
couldn't you have been dubbing?
couldn't he have been dubbing?
couldn't we have been dubbing?
couldn't you have been dubbing?
couldn't they have been dubbing?