could unbar
Verbo regular: unbar - unbarred- unbarred

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could unbar
you could unbar
he could unbar
we could unbar
you could unbar
they could unbar 	I could be unbarring
you could be unbarring
he could be unbarring
we could be unbarring
you could be unbarring
they could be unbarring	I could have unbarred
you could have unbarred
he could have unbarred
we could have unbarred
you could have unbarred
they could have unbarred	I could have been unbarring
you could have been unbarring
he could have been unbarring
we could have been unbarring
you could have been unbarring
they could have been unbarring	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't unbar
you couldn't unbar
he couldn't unbar
we couldn't unbar
you couldn't unbar
they couldn't unbar 	I couldn't be unbarring
you couldn't be unbarring
he couldn't be unbarring
we couldn't be unbarring
you couldn't be unbarring
they couldn't be unbarring	I couldn't have unbarred
you couldn't have unbarred
he couldn't have unbarred
we couldn't have unbarred
you couldn't have unbarred
they couldn't have unbarred	I couldn't have been unbarring
you couldn't have been unbarring
he couldn't have been unbarring
we couldn't have been unbarring
you couldn't have been unbarring
they couldn't have been unbarring	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I unbar?
could you unbar?
could he unbar?
could we unbar?
could you unbar?
could they unbar? 	could I be unbarring?
could you be unbarring?
could he be unbarring?
could we be unbarring?
could you be unbarring?
could they be unbarring? 	could I have unbarred?
could you have unbarred?
could he have unbarred?
could we have unbarred?
could you have unbarred?
could they have unbarred? 	could I have been unbarring?
could you have been unbarring?
could he have been unbarring?
could we have been unbarring?
could you have been unbarring?
could they have been unbarring? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I unbar?
couldn't you unbar?
couldn't he unbar?
couldn't we unbar?
couldn't you unbar?
couldn't they unbar? 	couldn't I be unbarring?
couldn't you be unbarring?
couldn't he be unbarring?
couldn't we be unbarring?
couldn't you be unbarring?
couldn't they be unbarring? 	couldn't I have unbarred?
couldn't you have unbarred?
couldn't he have unbarred?
couldn't we have unbarred?
couldn't you have unbarred?
couldn't they have unbarred? 	couldn't I have been unbarring?
couldn't you have been unbarring?
couldn't he have been unbarring?
couldn't we have been unbarring?
couldn't you have been unbarring?
couldn't they have been unbarring?