English verb conjugation
CAN FREE

Regular verb: free - freed - freed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I can't free you can't free he can't free we can't free you can't free they can't free	I can't be freeing you can't be freeing he can't be freeing we can't be freeing you can't be freeing they can't be freeing
Perfect	V-ing perfect
I can't have freed you can't have freed he can't have freed we can't have freed you can't have freed they can't have freed	I can't have been freeing you can't have been freeing he can't have been freeing we can't have been freeing you can't have been freeing they can't have been freeing

Interrogative form

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