could mambo
Verbo regular: mambo - mamboed- mamboed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could mambo
you could mambo
he could mambo
we could mambo
you could mambo
they could mambo 	I could be mamboing
you could be mamboing
he could be mamboing
we could be mamboing
you could be mamboing
they could be mamboing	I could have mamboed
you could have mamboed
he could have mamboed
we could have mamboed
you could have mamboed
they could have mamboed	I could have been mamboing
you could have been mamboing
he could have been mamboing
we could have been mamboing
you could have been mamboing
they could have been mamboing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not mambo
you could not mambo
he could not mambo
we could not mambo
you could not mambo
they could not mambo 	I could not be mamboing
you could not be mamboing
he could not be mamboing
we could not be mamboing
you could not be mamboing
they could not be mamboing	I could not have mamboed
you could not have mamboed
he could not have mamboed
we could not have mamboed
you could not have mamboed
they could not have mamboed	I could not have been mamboing
you could not have been mamboing
he could not have been mamboing
we could not have been mamboing
you could not have been mamboing
they could not have been mamboing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I mambo?
could you mambo?
could he mambo?
could we mambo?
could you mambo?
could they mambo? 	could I be mamboing?
could you be mamboing?
could he be mamboing?
could we be mamboing?
could you be mamboing?
could they be mamboing? 	could I have mamboed?
could you have mamboed?
could he have mamboed?
could we have mamboed?
could you have mamboed?
could they have mamboed? 	could I have been mamboing?
could you have been mamboing?
could he have been mamboing?
could we have been mamboing?
could you have been mamboing?
could they have been mamboing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not mambo?
could you not mambo?
could he not mambo?
could we not mambo?
could you not mambo?
could they not mambo? 	could I not be mamboing?
could you not be mamboing?
could he not be mamboing?
could we not be mamboing?
could you not be mamboing?
could they not be mamboing? 	could I not have mamboed?
could you not have mamboed?
could he not have mamboed?
could we not have mamboed?
could you not have mamboed?
could they not have mamboed? 	could I not have been mamboing?
could you not have been mamboing?
could he not have been mamboing?
could we not have been mamboing?
could you not have been mamboing?
could they not have been mamboing?