Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could fine fine you could fine fine he could fine fine we could fine fine you could fine fine they could fine fine
V-ing form
I could be fine fining you could be fine fining he could be fine fining we could be fine fining you could be fine fining they could be fine fining
Perfect
I could have fine fined you could have fine fined he could have fine fined we could have fine fined you could have fine fined they could have fine fined
V-ing perfect
I could have been fine fining you could have been fine fining he could have been fine fining we could have been fine fining you could have been fine fining they could have been fine fining
Negation
Simple form
I couldn't fine fine you couldn't fine fine he couldn't fine fine we couldn't fine fine you couldn't fine fine they couldn't fine fine
V-ing form
I couldn't be fine fining you couldn't be fine fining he couldn't be fine fining we couldn't be fine fining you couldn't be fine fining they couldn't be fine fining
Perfect
I couldn't have fine fined you couldn't have fine fined he couldn't have fine fined we couldn't have fine fined you couldn't have fine fined they couldn't have fine fined
V-ing perfect
I couldn't have been fine fining you couldn't have been fine fining he couldn't have been fine fining we couldn't have been fine fining you couldn't have been fine fining they couldn't have been fine fining
Interrogative form
Simple form
could I fine fine? could you fine fine? could he fine fine? could we fine fine? could you fine fine? could they fine fine?
V-ing form
could I be fine fining? could you be fine fining? could he be fine fining? could we be fine fining? could you be fine fining? could they be fine fining?
Perfect
could I have fine fined? could you have fine fined? could he have fine fined? could we have fine fined? could you have fine fined? could they have fine fined?
V-ing perfect
could I have been fine fining? could you have been fine fining? could he have been fine fining? could we have been fine fining? could you have been fine fining? could they have been fine fining?
Interro-negative form
Simple form
couldn't I fine fine? couldn't you fine fine? couldn't he fine fine? couldn't we fine fine? couldn't you fine fine? couldn't they fine fine?
V-ing form
couldn't I be fine fining? couldn't you be fine fining? couldn't he be fine fining? couldn't we be fine fining? couldn't you be fine fining? couldn't they be fine fining?
Perfect
couldn't I have fine fined? couldn't you have fine fined? couldn't he have fine fined? couldn't we have fine fined? couldn't you have fine fined? couldn't they have fine fined?
V-ing perfect
couldn't I have been fine fining? couldn't you have been fine fining? couldn't he have been fine fining? couldn't we have been fine fining? couldn't you have been fine fining? couldn't they have been fine fining?