could crane
Verbo regular: crane - craned- craned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could crane
you could crane
she could crane
we could crane
you could crane
they could crane 	I could be craning
you could be craning
she could be craning
we could be craning
you could be craning
they could be craning	I could have craned
you could have craned
she could have craned
we could have craned
you could have craned
they could have craned	I could have been craning
you could have been craning
she could have been craning
we could have been craning
you could have been craning
they could have been craning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not crane
you could not crane
she could not crane
we could not crane
you could not crane
they could not crane 	I could not be craning
you could not be craning
she could not be craning
we could not be craning
you could not be craning
they could not be craning	I could not have craned
you could not have craned
she could not have craned
we could not have craned
you could not have craned
they could not have craned	I could not have been craning
you could not have been craning
she could not have been craning
we could not have been craning
you could not have been craning
they could not have been craning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I crane?
could you crane?
could she crane?
could we crane?
could you crane?
could they crane? 	could I be craning?
could you be craning?
could she be craning?
could we be craning?
could you be craning?
could they be craning? 	could I have craned?
could you have craned?
could she have craned?
could we have craned?
could you have craned?
could they have craned? 	could I have been craning?
could you have been craning?
could she have been craning?
could we have been craning?
could you have been craning?
could they have been craning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not crane?
could you not crane?
could she not crane?
could we not crane?
could you not crane?
could they not crane? 	could I not be craning?
could you not be craning?
could she not be craning?
could we not be craning?
could you not be craning?
could they not be craning? 	could I not have craned?
could you not have craned?
could she not have craned?
could we not have craned?
could you not have craned?
could they not have craned? 	could I not have been craning?
could you not have been craning?
could she not have been craning?
could we not have been craning?
could you not have been craning?
could they not have been craning?