could mouth
Verbo regular: mouth - mouthed- mouthed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could mouth
you could mouth
he could mouth
we could mouth
you could mouth
they could mouth 	I could be mouthing
you could be mouthing
he could be mouthing
we could be mouthing
you could be mouthing
they could be mouthing	I could have mouthed
you could have mouthed
he could have mouthed
we could have mouthed
you could have mouthed
they could have mouthed	I could have been mouthing
you could have been mouthing
he could have been mouthing
we could have been mouthing
you could have been mouthing
they could have been mouthing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't mouth
you couldn't mouth
he couldn't mouth
we couldn't mouth
you couldn't mouth
they couldn't mouth 	I couldn't be mouthing
you couldn't be mouthing
he couldn't be mouthing
we couldn't be mouthing
you couldn't be mouthing
they couldn't be mouthing	I couldn't have mouthed
you couldn't have mouthed
he couldn't have mouthed
we couldn't have mouthed
you couldn't have mouthed
they couldn't have mouthed	I couldn't have been mouthing
you couldn't have been mouthing
he couldn't have been mouthing
we couldn't have been mouthing
you couldn't have been mouthing
they couldn't have been mouthing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I mouth?
could you mouth?
could he mouth?
could we mouth?
could you mouth?
could they mouth? 	could I be mouthing?
could you be mouthing?
could he be mouthing?
could we be mouthing?
could you be mouthing?
could they be mouthing? 	could I have mouthed?
could you have mouthed?
could he have mouthed?
could we have mouthed?
could you have mouthed?
could they have mouthed? 	could I have been mouthing?
could you have been mouthing?
could he have been mouthing?
could we have been mouthing?
could you have been mouthing?
could they have been mouthing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I mouth?
couldn't you mouth?
couldn't he mouth?
couldn't we mouth?
couldn't you mouth?
couldn't they mouth? 	couldn't I be mouthing?
couldn't you be mouthing?
couldn't he be mouthing?
couldn't we be mouthing?
couldn't you be mouthing?
couldn't they be mouthing? 	couldn't I have mouthed?
couldn't you have mouthed?
couldn't he have mouthed?
couldn't we have mouthed?
couldn't you have mouthed?
couldn't they have mouthed? 	couldn't I have been mouthing?
couldn't you have been mouthing?
couldn't he have been mouthing?
couldn't we have been mouthing?
couldn't you have been mouthing?
couldn't they have been mouthing?