English verb conjugation
COULD FREE

Regular verb: free - freed - freed

Affirmation

Simple form	V-ing form
I could free you could free she could free we could free you could free they could free	I could be freeing you could be freeing she could be freeing we could be freeing you could be freeing they could be freeing
Perfect	V-ing perfect
I could have freed you could have freed she could have freed we could have freed you could have freed they could have freed	I could have been freeing you could have been freeing she could have been freeing we could have been freeing you could have been freeing they could have been freeing

Negation

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

Interrogative form

Simple form	V-ing form
could I free? could you free? could she free? could we free? could you free? could they free?	could I be freeing? could you be freeing? could she be freeing? could we be freeing? could you be freeing? could they be freeing?
Perfect	V-ing perfect
could I have freed? could you have freed? could she have freed? could we have freed? could you have freed? could they have freed?	could I have been freeing? could you have been freeing? could she have been freeing? could we have been freeing? could you have been freeing? could they have been freeing?

Interro-negative form

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