could blunder
Verbo regular: blunder - blundered- blundered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could blunder
you could blunder
he could blunder
we could blunder
you could blunder
they could blunder 	I could be blundering
you could be blundering
he could be blundering
we could be blundering
you could be blundering
they could be blundering	I could have blundered
you could have blundered
he could have blundered
we could have blundered
you could have blundered
they could have blundered	I could have been blundering
you could have been blundering
he could have been blundering
we could have been blundering
you could have been blundering
they could have been blundering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not blunder
you could not blunder
he could not blunder
we could not blunder
you could not blunder
they could not blunder 	I could not be blundering
you could not be blundering
he could not be blundering
we could not be blundering
you could not be blundering
they could not be blundering	I could not have blundered
you could not have blundered
he could not have blundered
we could not have blundered
you could not have blundered
they could not have blundered	I could not have been blundering
you could not have been blundering
he could not have been blundering
we could not have been blundering
you could not have been blundering
they could not have been blundering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I blunder?
could you blunder?
could he blunder?
could we blunder?
could you blunder?
could they blunder? 	could I be blundering?
could you be blundering?
could he be blundering?
could we be blundering?
could you be blundering?
could they be blundering? 	could I have blundered?
could you have blundered?
could he have blundered?
could we have blundered?
could you have blundered?
could they have blundered? 	could I have been blundering?
could you have been blundering?
could he have been blundering?
could we have been blundering?
could you have been blundering?
could they have been blundering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not blunder?
could you not blunder?
could he not blunder?
could we not blunder?
could you not blunder?
could they not blunder? 	could I not be blundering?
could you not be blundering?
could he not be blundering?
could we not be blundering?
could you not be blundering?
could they not be blundering? 	could I not have blundered?
could you not have blundered?
could he not have blundered?
could we not have blundered?
could you not have blundered?
could they not have blundered? 	could I not have been blundering?
could you not have been blundering?
could he not have been blundering?
could we not have been blundering?
could you not have been blundering?
could they not have been blundering?