could lean
Verbo regular: lean - leaned- leaned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could lean
you could lean
he could lean
we could lean
you could lean
they could lean 	I could be leaning
you could be leaning
he could be leaning
we could be leaning
you could be leaning
they could be leaning	I could have leaned
you could have leaned
he could have leaned
we could have leaned
you could have leaned
they could have leaned	I could have been leaning
you could have been leaning
he could have been leaning
we could have been leaning
you could have been leaning
they could have been leaning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not lean
you could not lean
he could not lean
we could not lean
you could not lean
they could not lean 	I could not be leaning
you could not be leaning
he could not be leaning
we could not be leaning
you could not be leaning
they could not be leaning	I could not have leaned
you could not have leaned
he could not have leaned
we could not have leaned
you could not have leaned
they could not have leaned	I could not have been leaning
you could not have been leaning
he could not have been leaning
we could not have been leaning
you could not have been leaning
they could not have been leaning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I lean?
could you lean?
could he lean?
could we lean?
could you lean?
could they lean? 	could I be leaning?
could you be leaning?
could he be leaning?
could we be leaning?
could you be leaning?
could they be leaning? 	could I have leaned?
could you have leaned?
could he have leaned?
could we have leaned?
could you have leaned?
could they have leaned? 	could I have been leaning?
could you have been leaning?
could he have been leaning?
could we have been leaning?
could you have been leaning?
could they have been leaning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not lean?
could you not lean?
could he not lean?
could we not lean?
could you not lean?
could they not lean? 	could I not be leaning?
could you not be leaning?
could he not be leaning?
could we not be leaning?
could you not be leaning?
could they not be leaning? 	could I not have leaned?
could you not have leaned?
could he not have leaned?
could we not have leaned?
could you not have leaned?
could they not have leaned? 	could I not have been leaning?
could you not have been leaning?
could he not have been leaning?
could we not have been leaning?
could you not have been leaning?
could they not have been leaning?