English verb conjugation
COULD SLED

Regular verb: sled - sleded - sleded

Affirmation

Simple form	V-ing form
I could sled you could sled he could sled we could sled you could sled they could sled	I could be sleding you could be sleding he could be sleding we could be sleding you could be sleding they could be sleding
Perfect	V-ing perfect
I could have sleded you could have sleded he could have sleded we could have sleded you could have sleded they could have sleded	I could have been sleding you could have been sleding he could have been sleding we could have been sleding you could have been sleding they could have been sleding

Negation

Simple form	V-ing form
I could not sled you could not sled he could not sled we could not sled you could not sled they could not sled	I could not be sleding you could not be sleding he could not be sleding we could not be sleding you could not be sleding they could not be sleding
Perfect	V-ing perfect
I could not have sleded you could not have sleded he could not have sleded we could not have sleded you could not have sleded they could not have sleded	I could not have been sleding you could not have been sleding he could not have been sleding we could not have been sleding you could not have been sleding they could not have been sleding

Interrogative form

Simple form	V-ing form
could I sled? could you sled? could he sled? could we sled? could you sled? could they sled?	could I be sleding? could you be sleding? could he be sleding? could we be sleding? could you be sleding? could they be sleding?
Perfect	V-ing perfect
could I have sleded? could you have sleded? could he have sleded? could we have sleded? could you have sleded? could they have sleded?	could I have been sleding? could you have been sleding? could he have been sleding? could we have been sleding? could you have been sleding? could they have been sleding?

Interro-negative form

Simple form	V-ing form
could I not sled? could you not sled? could he not sled? could we not sled? could you not sled? could they not sled?	could I not be sleding? could you not be sleding? could he not be sleding? could we not be sleding? could you not be sleding? could they not be sleding?
Perfect	V-ing perfect
could I not have sleded? could you not have sleded? could he not have sleded? could we not have sleded? could you not have sleded? could they not have sleded?	could I not have been sleding? could you not have been sleding? could he not have been sleding? could we not have been sleding? could you not have been sleding? could they not have been sleding?