could crane
Regular verb: crane - craned- craned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could crane
you could crane
he could crane
we could crane
you could crane
they could crane 	I could be craning
you could be craning
he could be craning
we could be craning
you could be craning
they could be craning	I could have craned
you could have craned
he 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
he could have been craning
we could have been craning
you could have been craning
they could have been craning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not crane
you could not crane
he 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
he 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
he 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
he could not have been craning
we could not have been craning
you could not have been craning
they could not have been craning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I crane?
could you crane?
could he crane?
could we crane?
could you crane?
could they crane? 	could I be craning?
could you be craning?
could he be craning?
could we be craning?
could you be craning?
could they be craning? 	could I have craned?
could you have craned?
could he 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 he have been craning?
could we have been craning?
could you have been craning?
could they have been craning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not crane?
could you not crane?
could he 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 he 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 he 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 he not have been craning?
could we not have been craning?
could you not have been craning?
could they not have been craning?