could balk
Verbo regular: balk - balked- balked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could balk
you could balk
he could balk
we could balk
you could balk
they could balk 	I could be balking
you could be balking
he could be balking
we could be balking
you could be balking
they could be balking	I could have balked
you could have balked
he could have balked
we could have balked
you could have balked
they could have balked	I could have been balking
you could have been balking
he could have been balking
we could have been balking
you could have been balking
they could have been balking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not balk
you could not balk
he could not balk
we could not balk
you could not balk
they could not balk 	I could not be balking
you could not be balking
he could not be balking
we could not be balking
you could not be balking
they could not be balking	I could not have balked
you could not have balked
he could not have balked
we could not have balked
you could not have balked
they could not have balked	I could not have been balking
you could not have been balking
he could not have been balking
we could not have been balking
you could not have been balking
they could not have been balking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I balk?
could you balk?
could he balk?
could we balk?
could you balk?
could they balk? 	could I be balking?
could you be balking?
could he be balking?
could we be balking?
could you be balking?
could they be balking? 	could I have balked?
could you have balked?
could he have balked?
could we have balked?
could you have balked?
could they have balked? 	could I have been balking?
could you have been balking?
could he have been balking?
could we have been balking?
could you have been balking?
could they have been balking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not balk?
could you not balk?
could he not balk?
could we not balk?
could you not balk?
could they not balk? 	could I not be balking?
could you not be balking?
could he not be balking?
could we not be balking?
could you not be balking?
could they not be balking? 	could I not have balked?
could you not have balked?
could he not have balked?
could we not have balked?
could you not have balked?
could they not have balked? 	could I not have been balking?
could you not have been balking?
could he not have been balking?
could we not have been balking?
could you not have been balking?
could they not have been balking?