could infill
Verbo regular: infill - infilled- infilled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could infill
you could infill
she could infill
we could infill
you could infill
they could infill 	I could be infilling
you could be infilling
she could be infilling
we could be infilling
you could be infilling
they could be infilling	I could have infilled
you could have infilled
she could have infilled
we could have infilled
you could have infilled
they could have infilled	I could have been infilling
you could have been infilling
she could have been infilling
we could have been infilling
you could have been infilling
they could have been infilling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not infill
you could not infill
she could not infill
we could not infill
you could not infill
they could not infill 	I could not be infilling
you could not be infilling
she could not be infilling
we could not be infilling
you could not be infilling
they could not be infilling	I could not have infilled
you could not have infilled
she could not have infilled
we could not have infilled
you could not have infilled
they could not have infilled	I could not have been infilling
you could not have been infilling
she could not have been infilling
we could not have been infilling
you could not have been infilling
they could not have been infilling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I infill?
could you infill?
could she infill?
could we infill?
could you infill?
could they infill? 	could I be infilling?
could you be infilling?
could she be infilling?
could we be infilling?
could you be infilling?
could they be infilling? 	could I have infilled?
could you have infilled?
could she have infilled?
could we have infilled?
could you have infilled?
could they have infilled? 	could I have been infilling?
could you have been infilling?
could she have been infilling?
could we have been infilling?
could you have been infilling?
could they have been infilling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not infill?
could you not infill?
could she not infill?
could we not infill?
could you not infill?
could they not infill? 	could I not be infilling?
could you not be infilling?
could she not be infilling?
could we not be infilling?
could you not be infilling?
could they not be infilling? 	could I not have infilled?
could you not have infilled?
could she not have infilled?
could we not have infilled?
could you not have infilled?
could they not have infilled? 	could I not have been infilling?
could you not have been infilling?
could she not have been infilling?
could we not have been infilling?
could you not have been infilling?
could they not have been infilling?