could shill
Verbo regular: shill - shilled- shilled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could shill
you could shill
he could shill
we could shill
you could shill
they could shill 	I could be shilling
you could be shilling
he could be shilling
we could be shilling
you could be shilling
they could be shilling	I could have shilled
you could have shilled
he could have shilled
we could have shilled
you could have shilled
they could have shilled	I could have been shilling
you could have been shilling
he could have been shilling
we could have been shilling
you could have been shilling
they could have been shilling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't shill
you couldn't shill
he couldn't shill
we couldn't shill
you couldn't shill
they couldn't shill 	I couldn't be shilling
you couldn't be shilling
he couldn't be shilling
we couldn't be shilling
you couldn't be shilling
they couldn't be shilling	I couldn't have shilled
you couldn't have shilled
he couldn't have shilled
we couldn't have shilled
you couldn't have shilled
they couldn't have shilled	I couldn't have been shilling
you couldn't have been shilling
he couldn't have been shilling
we couldn't have been shilling
you couldn't have been shilling
they couldn't have been shilling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I shill?
could you shill?
could he shill?
could we shill?
could you shill?
could they shill? 	could I be shilling?
could you be shilling?
could he be shilling?
could we be shilling?
could you be shilling?
could they be shilling? 	could I have shilled?
could you have shilled?
could he have shilled?
could we have shilled?
could you have shilled?
could they have shilled? 	could I have been shilling?
could you have been shilling?
could he have been shilling?
could we have been shilling?
could you have been shilling?
could they have been shilling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I shill?
couldn't you shill?
couldn't he shill?
couldn't we shill?
couldn't you shill?
couldn't they shill? 	couldn't I be shilling?
couldn't you be shilling?
couldn't he be shilling?
couldn't we be shilling?
couldn't you be shilling?
couldn't they be shilling? 	couldn't I have shilled?
couldn't you have shilled?
couldn't he have shilled?
couldn't we have shilled?
couldn't you have shilled?
couldn't they have shilled? 	couldn't I have been shilling?
couldn't you have been shilling?
couldn't he have been shilling?
couldn't we have been shilling?
couldn't you have been shilling?
couldn't they have been shilling?