could twill
Verbo regular: twill - twilled- twilled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could twill
you could twill
he could twill
we could twill
you could twill
they could twill 	I could be twilling
you could be twilling
he could be twilling
we could be twilling
you could be twilling
they could be twilling	I could have twilled
you could have twilled
he could have twilled
we could have twilled
you could have twilled
they could have twilled	I could have been twilling
you could have been twilling
he could have been twilling
we could have been twilling
you could have been twilling
they could have been twilling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't twill
you couldn't twill
he couldn't twill
we couldn't twill
you couldn't twill
they couldn't twill 	I couldn't be twilling
you couldn't be twilling
he couldn't be twilling
we couldn't be twilling
you couldn't be twilling
they couldn't be twilling	I couldn't have twilled
you couldn't have twilled
he couldn't have twilled
we couldn't have twilled
you couldn't have twilled
they couldn't have twilled	I couldn't have been twilling
you couldn't have been twilling
he couldn't have been twilling
we couldn't have been twilling
you couldn't have been twilling
they couldn't have been twilling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I twill?
could you twill?
could he twill?
could we twill?
could you twill?
could they twill? 	could I be twilling?
could you be twilling?
could he be twilling?
could we be twilling?
could you be twilling?
could they be twilling? 	could I have twilled?
could you have twilled?
could he have twilled?
could we have twilled?
could you have twilled?
could they have twilled? 	could I have been twilling?
could you have been twilling?
could he have been twilling?
could we have been twilling?
could you have been twilling?
could they have been twilling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I twill?
couldn't you twill?
couldn't he twill?
couldn't we twill?
couldn't you twill?
couldn't they twill? 	couldn't I be twilling?
couldn't you be twilling?
couldn't he be twilling?
couldn't we be twilling?
couldn't you be twilling?
couldn't they be twilling? 	couldn't I have twilled?
couldn't you have twilled?
couldn't he have twilled?
couldn't we have twilled?
couldn't you have twilled?
couldn't they have twilled? 	couldn't I have been twilling?
couldn't you have been twilling?
couldn't he have been twilling?
couldn't we have been twilling?
couldn't you have been twilling?
couldn't they have been twilling?