Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could freer you could freer he could freer we could freer you could freer they could freer
V-ing form
I could be freering you could be freering he could be freering we could be freering you could be freering they could be freering
Perfect
I could have freered you could have freered he could have freered we could have freered you could have freered they could have freered
V-ing perfect
I could have been freering you could have been freering he could have been freering we could have been freering you could have been freering they could have been freering
Negation
Simple form
I could not freer you could not freer he could not freer we could not freer you could not freer they could not freer
V-ing form
I could not be freering you could not be freering he could not be freering we could not be freering you could not be freering they could not be freering
Perfect
I could not have freered you could not have freered he could not have freered we could not have freered you could not have freered they could not have freered
V-ing perfect
I could not have been freering you could not have been freering he could not have been freering we could not have been freering you could not have been freering they could not have been freering
Interrogative form
Simple form
could I freer? could you freer? could he freer? could we freer? could you freer? could they freer?
V-ing form
could I be freering? could you be freering? could he be freering? could we be freering? could you be freering? could they be freering?
Perfect
could I have freered? could you have freered? could he have freered? could we have freered? could you have freered? could they have freered?
V-ing perfect
could I have been freering? could you have been freering? could he have been freering? could we have been freering? could you have been freering? could they have been freering?
Interro-negative form
Simple form
could I not freer? could you not freer? could he not freer? could we not freer? could you not freer? could they not freer?
V-ing form
could I not be freering? could you not be freering? could he not be freering? could we not be freering? could you not be freering? could they not be freering?
Perfect
could I not have freered? could you not have freered? could he not have freered? could we not have freered? could you not have freered? could they not have freered?
V-ing perfect
could I not have been freering? could you not have been freering? could he not have been freering? could we not have been freering? could you not have been freering? could they not have been freering?