can free
Regular verb: free - freed- freed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can free
you can free
he can free
we can free
you can free
they can free 	I can be freeing
you can be freeing
he can be freeing
we can be freeing
you can be freeing
they can be freeing	I can have freed
you can have freed
he can have freed
we can have freed
you can have freed
they can have freed	I can have been freeing
you can have been freeing
he can have been freeing
we can have been freeing
you can have been freeing
they can have been freeing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot free
you cannot free
he cannot free
we cannot free
you cannot free
they cannot free 	I cannot be freeing
you cannot be freeing
he cannot be freeing
we cannot be freeing
you cannot be freeing
they cannot be freeing	I cannot have freed
you cannot have freed
he cannot have freed
we cannot have freed
you cannot have freed
they cannot have freed	I cannot have been freeing
you cannot have been freeing
he cannot have been freeing
we cannot have been freeing
you cannot have been freeing
they cannot have been freeing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I free?
can you free?
can he free?
can we free?
can you free?
can they free? 	can I be freeing?
can you be freeing?
can he be freeing?
can we be freeing?
can you be freeing?
can they be freeing? 	can I have freed?
can you have freed?
can he have freed?
can we have freed?
can you have freed?
can they have freed? 	can I have been freeing?
can you have been freeing?
can he have been freeing?
can we have been freeing?
can you have been freeing?
can they have been freeing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not free?
can you not free?
can he not free?
can we not free?
can you not free?
can they not free? 	can I not be freeing?
can you not be freeing?
can he not be freeing?
can we not be freeing?
can you not be freeing?
can they not be freeing? 	can I not have freed?
can you not have freed?
can he not have freed?
can we not have freed?
can you not have freed?
can they not have freed? 	can I not have been freeing?
can you not have been freeing?
can he not have been freeing?
can we not have been freeing?
can you not have been freeing?
can they not have been freeing?