can lean
Verbo regular: lean - leaned- leaned

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

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot lean
you cannot lean
she cannot lean
we cannot lean
you cannot lean
they cannot lean 	I cannot be leaning
you cannot be leaning
she cannot be leaning
we cannot be leaning
you cannot be leaning
they cannot be leaning	I cannot have leaned
you cannot have leaned
she cannot have leaned
we cannot have leaned
you cannot have leaned
they cannot have leaned	I cannot have been leaning
you cannot have been leaning
she cannot have been leaning
we cannot have been leaning
you cannot have been leaning
they cannot have been leaning	

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

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