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
she could lean
we could lean
you could lean
they could lean 	I could be leaning
you could be leaning
she could be leaning
we could be leaning
you could be leaning
they could be leaning	I could have leaned
you could have leaned
she 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
she 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 couldn't lean
you couldn't lean
she couldn't lean
we couldn't lean
you couldn't lean
they couldn't lean 	I couldn't be leaning
you couldn't be leaning
she couldn't be leaning
we couldn't be leaning
you couldn't be leaning
they couldn't be leaning	I couldn't have leaned
you couldn't have leaned
she couldn't have leaned
we couldn't have leaned
you couldn't have leaned
they couldn't have leaned	I couldn't have been leaning
you couldn't have been leaning
she couldn't have been leaning
we couldn't have been leaning
you couldn't have been leaning
they couldn't have been leaning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I lean?
could you lean?
could she lean?
could we lean?
could you lean?
could they lean? 	could I be leaning?
could you be leaning?
could she be leaning?
could we be leaning?
could you be leaning?
could they be leaning? 	could I have leaned?
could you have leaned?
could she 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 she 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 	
couldn't I lean?
couldn't you lean?
couldn't she lean?
couldn't we lean?
couldn't you lean?
couldn't they lean? 	couldn't I be leaning?
couldn't you be leaning?
couldn't she be leaning?
couldn't we be leaning?
couldn't you be leaning?
couldn't they be leaning? 	couldn't I have leaned?
couldn't you have leaned?
couldn't she have leaned?
couldn't we have leaned?
couldn't you have leaned?
couldn't they have leaned? 	couldn't I have been leaning?
couldn't you have been leaning?
couldn't she have been leaning?
couldn't we have been leaning?
couldn't you have been leaning?
couldn't they have been leaning?