Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could fine fine you could fine fine she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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?