could hollow
Verbo regular: hollow - hollowed- hollowed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could hollow
you could hollow
he could hollow
we could hollow
you could hollow
they could hollow 	I could be hollowing
you could be hollowing
he could be hollowing
we could be hollowing
you could be hollowing
they could be hollowing	I could have hollowed
you could have hollowed
he could have hollowed
we could have hollowed
you could have hollowed
they could have hollowed	I could have been hollowing
you could have been hollowing
he could have been hollowing
we could have been hollowing
you could have been hollowing
they could have been hollowing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't hollow
you couldn't hollow
he couldn't hollow
we couldn't hollow
you couldn't hollow
they couldn't hollow 	I couldn't be hollowing
you couldn't be hollowing
he couldn't be hollowing
we couldn't be hollowing
you couldn't be hollowing
they couldn't be hollowing	I couldn't have hollowed
you couldn't have hollowed
he couldn't have hollowed
we couldn't have hollowed
you couldn't have hollowed
they couldn't have hollowed	I couldn't have been hollowing
you couldn't have been hollowing
he couldn't have been hollowing
we couldn't have been hollowing
you couldn't have been hollowing
they couldn't have been hollowing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I hollow?
could you hollow?
could he hollow?
could we hollow?
could you hollow?
could they hollow? 	could I be hollowing?
could you be hollowing?
could he be hollowing?
could we be hollowing?
could you be hollowing?
could they be hollowing? 	could I have hollowed?
could you have hollowed?
could he have hollowed?
could we have hollowed?
could you have hollowed?
could they have hollowed? 	could I have been hollowing?
could you have been hollowing?
could he have been hollowing?
could we have been hollowing?
could you have been hollowing?
could they have been hollowing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I hollow?
couldn't you hollow?
couldn't he hollow?
couldn't we hollow?
couldn't you hollow?
couldn't they hollow? 	couldn't I be hollowing?
couldn't you be hollowing?
couldn't he be hollowing?
couldn't we be hollowing?
couldn't you be hollowing?
couldn't they be hollowing? 	couldn't I have hollowed?
couldn't you have hollowed?
couldn't he have hollowed?
couldn't we have hollowed?
couldn't you have hollowed?
couldn't they have hollowed? 	couldn't I have been hollowing?
couldn't you have been hollowing?
couldn't he have been hollowing?
couldn't we have been hollowing?
couldn't you have been hollowing?
couldn't they have been hollowing?