could bilk
Verbo regular: bilk - bilked- bilked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could bilk
you could bilk
he could bilk
we could bilk
you could bilk
they could bilk 	I could be bilking
you could be bilking
he could be bilking
we could be bilking
you could be bilking
they could be bilking	I could have bilked
you could have bilked
he could have bilked
we could have bilked
you could have bilked
they could have bilked	I could have been bilking
you could have been bilking
he could have been bilking
we could have been bilking
you could have been bilking
they could have been bilking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not bilk
you could not bilk
he could not bilk
we could not bilk
you could not bilk
they could not bilk 	I could not be bilking
you could not be bilking
he could not be bilking
we could not be bilking
you could not be bilking
they could not be bilking	I could not have bilked
you could not have bilked
he could not have bilked
we could not have bilked
you could not have bilked
they could not have bilked	I could not have been bilking
you could not have been bilking
he could not have been bilking
we could not have been bilking
you could not have been bilking
they could not have been bilking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I bilk?
could you bilk?
could he bilk?
could we bilk?
could you bilk?
could they bilk? 	could I be bilking?
could you be bilking?
could he be bilking?
could we be bilking?
could you be bilking?
could they be bilking? 	could I have bilked?
could you have bilked?
could he have bilked?
could we have bilked?
could you have bilked?
could they have bilked? 	could I have been bilking?
could you have been bilking?
could he have been bilking?
could we have been bilking?
could you have been bilking?
could they have been bilking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not bilk?
could you not bilk?
could he not bilk?
could we not bilk?
could you not bilk?
could they not bilk? 	could I not be bilking?
could you not be bilking?
could he not be bilking?
could we not be bilking?
could you not be bilking?
could they not be bilking? 	could I not have bilked?
could you not have bilked?
could he not have bilked?
could we not have bilked?
could you not have bilked?
could they not have bilked? 	could I not have been bilking?
could you not have been bilking?
could he not have been bilking?
could we not have been bilking?
could you not have been bilking?
could they not have been bilking?