could unmask
Verbo regular: unmask - unmasked- unmasked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could unmask
you could unmask
he could unmask
we could unmask
you could unmask
they could unmask 	I could be unmasking
you could be unmasking
he could be unmasking
we could be unmasking
you could be unmasking
they could be unmasking	I could have unmasked
you could have unmasked
he could have unmasked
we could have unmasked
you could have unmasked
they could have unmasked	I could have been unmasking
you could have been unmasking
he could have been unmasking
we could have been unmasking
you could have been unmasking
they could have been unmasking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't unmask
you couldn't unmask
he couldn't unmask
we couldn't unmask
you couldn't unmask
they couldn't unmask 	I couldn't be unmasking
you couldn't be unmasking
he couldn't be unmasking
we couldn't be unmasking
you couldn't be unmasking
they couldn't be unmasking	I couldn't have unmasked
you couldn't have unmasked
he couldn't have unmasked
we couldn't have unmasked
you couldn't have unmasked
they couldn't have unmasked	I couldn't have been unmasking
you couldn't have been unmasking
he couldn't have been unmasking
we couldn't have been unmasking
you couldn't have been unmasking
they couldn't have been unmasking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I unmask?
could you unmask?
could he unmask?
could we unmask?
could you unmask?
could they unmask? 	could I be unmasking?
could you be unmasking?
could he be unmasking?
could we be unmasking?
could you be unmasking?
could they be unmasking? 	could I have unmasked?
could you have unmasked?
could he have unmasked?
could we have unmasked?
could you have unmasked?
could they have unmasked? 	could I have been unmasking?
could you have been unmasking?
could he have been unmasking?
could we have been unmasking?
could you have been unmasking?
could they have been unmasking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I unmask?
couldn't you unmask?
couldn't he unmask?
couldn't we unmask?
couldn't you unmask?
couldn't they unmask? 	couldn't I be unmasking?
couldn't you be unmasking?
couldn't he be unmasking?
couldn't we be unmasking?
couldn't you be unmasking?
couldn't they be unmasking? 	couldn't I have unmasked?
couldn't you have unmasked?
couldn't he have unmasked?
couldn't we have unmasked?
couldn't you have unmasked?
couldn't they have unmasked? 	couldn't I have been unmasking?
couldn't you have been unmasking?
couldn't he have been unmasking?
couldn't we have been unmasking?
couldn't you have been unmasking?
couldn't they have been unmasking?