English verb conjugation
COULD FLETCH

Regular verb: fletch - fletched - fletched

Affirmation

Simple form	V-ing form
I could fletch you could fletch he could fletch we could fletch you could fletch they could fletch	I could be fletching you could be fletching he could be fletching we could be fletching you could be fletching they could be fletching
Perfect	V-ing perfect
I could have fletched you could have fletched he could have fletched we could have fletched you could have fletched they could have fletched	I could have been fletching you could have been fletching he could have been fletching we could have been fletching you could have been fletching they could have been fletching

Negation

Simple form	V-ing form
I could not fletch you could not fletch he could not fletch we could not fletch you could not fletch they could not fletch	I could not be fletching you could not be fletching he could not be fletching we could not be fletching you could not be fletching they could not be fletching
Perfect	V-ing perfect
I could not have fletched you could not have fletched he could not have fletched we could not have fletched you could not have fletched they could not have fletched	I could not have been fletching you could not have been fletching he could not have been fletching we could not have been fletching you could not have been fletching they could not have been fletching

Interrogative form

Simple form	V-ing form
could I fletch? could you fletch? could he fletch? could we fletch? could you fletch? could they fletch?	could I be fletching? could you be fletching? could he be fletching? could we be fletching? could you be fletching? could they be fletching?
Perfect	V-ing perfect
could I have fletched? could you have fletched? could he have fletched? could we have fletched? could you have fletched? could they have fletched?	could I have been fletching? could you have been fletching? could he have been fletching? could we have been fletching? could you have been fletching? could they have been fletching?

Interro-negative form

Simple form	V-ing form
could I not fletch? could you not fletch? could he not fletch? could we not fletch? could you not fletch? could they not fletch?	could I not be fletching? could you not be fletching? could he not be fletching? could we not be fletching? could you not be fletching? could they not be fletching?
Perfect	V-ing perfect
could I not have fletched? could you not have fletched? could he not have fletched? could we not have fletched? could you not have fletched? could they not have fletched?	could I not have been fletching? could you not have been fletching? could he not have been fletching? could we not have been fletching? could you not have been fletching? could they not have been fletching?