could feast
Verbo regular: feast - feasted- feasted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could feast
you could feast
he could feast
we could feast
you could feast
they could feast 	I could be feasting
you could be feasting
he could be feasting
we could be feasting
you could be feasting
they could be feasting	I could have feasted
you could have feasted
he could have feasted
we could have feasted
you could have feasted
they could have feasted	I could have been feasting
you could have been feasting
he could have been feasting
we could have been feasting
you could have been feasting
they could have been feasting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't feast
you couldn't feast
he couldn't feast
we couldn't feast
you couldn't feast
they couldn't feast 	I couldn't be feasting
you couldn't be feasting
he couldn't be feasting
we couldn't be feasting
you couldn't be feasting
they couldn't be feasting	I couldn't have feasted
you couldn't have feasted
he couldn't have feasted
we couldn't have feasted
you couldn't have feasted
they couldn't have feasted	I couldn't have been feasting
you couldn't have been feasting
he couldn't have been feasting
we couldn't have been feasting
you couldn't have been feasting
they couldn't have been feasting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I feast?
could you feast?
could he feast?
could we feast?
could you feast?
could they feast? 	could I be feasting?
could you be feasting?
could he be feasting?
could we be feasting?
could you be feasting?
could they be feasting? 	could I have feasted?
could you have feasted?
could he have feasted?
could we have feasted?
could you have feasted?
could they have feasted? 	could I have been feasting?
could you have been feasting?
could he have been feasting?
could we have been feasting?
could you have been feasting?
could they have been feasting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I feast?
couldn't you feast?
couldn't he feast?
couldn't we feast?
couldn't you feast?
couldn't they feast? 	couldn't I be feasting?
couldn't you be feasting?
couldn't he be feasting?
couldn't we be feasting?
couldn't you be feasting?
couldn't they be feasting? 	couldn't I have feasted?
couldn't you have feasted?
couldn't he have feasted?
couldn't we have feasted?
couldn't you have feasted?
couldn't they have feasted? 	couldn't I have been feasting?
couldn't you have been feasting?
couldn't he have been feasting?
couldn't we have been feasting?
couldn't you have been feasting?
couldn't they have been feasting?