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