can wane
Regular verb: wane - waned- waned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can wane
you can wane
he can wane
we can wane
you can wane
they can wane 	I can be waning
you can be waning
he can be waning
we can be waning
you can be waning
they can be waning	I can have waned
you can have waned
he can have waned
we can have waned
you can have waned
they can have waned	I can have been waning
you can have been waning
he can have been waning
we can have been waning
you can have been waning
they can have been waning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot wane
you cannot wane
he cannot wane
we cannot wane
you cannot wane
they cannot wane 	I cannot be waning
you cannot be waning
he cannot be waning
we cannot be waning
you cannot be waning
they cannot be waning	I cannot have waned
you cannot have waned
he cannot have waned
we cannot have waned
you cannot have waned
they cannot have waned	I cannot have been waning
you cannot have been waning
he cannot have been waning
we cannot have been waning
you cannot have been waning
they cannot have been waning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I wane?
can you wane?
can he wane?
can we wane?
can you wane?
can they wane? 	can I be waning?
can you be waning?
can he be waning?
can we be waning?
can you be waning?
can they be waning? 	can I have waned?
can you have waned?
can he have waned?
can we have waned?
can you have waned?
can they have waned? 	can I have been waning?
can you have been waning?
can he have been waning?
can we have been waning?
can you have been waning?
can they have been waning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not wane?
can you not wane?
can he not wane?
can we not wane?
can you not wane?
can they not wane? 	can I not be waning?
can you not be waning?
can he not be waning?
can we not be waning?
can you not be waning?
can they not be waning? 	can I not have waned?
can you not have waned?
can he not have waned?
can we not have waned?
can you not have waned?
can they not have waned? 	can I not have been waning?
can you not have been waning?
can he not have been waning?
can we not have been waning?
can you not have been waning?
can they not have been waning?