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