English verb conjugation
COULD SPELL

Irregular verb: spell - spelled, spelt - spelled, spelt

Affirmation

Simple form	V-ing form
I could spell you could spell he could spell we could spell you could spell they could spell	I could be spelling you could be spelling he could be spelling we could be spelling you could be spelling they could be spelling
Perfect	V-ing perfect
I could have spelled, spelt you could have spelled, spelt he could have spelled, spelt we could have spelled, spelt you could have spelled, spelt they could have spelled, spelt	I could have been spelling you could have been spelling he could have been spelling we could have been spelling you could have been spelling they could have been spelling

Negation

Simple form	V-ing form
I could not spell you could not spell he could not spell we could not spell you could not spell they could not spell	I could not be spelling you could not be spelling he could not be spelling we could not be spelling you could not be spelling they could not be spelling
Perfect	V-ing perfect
I could not have spelled, spelt you could not have spelled, spelt he could not have spelled, spelt we could not have spelled, spelt you could not have spelled, spelt they could not have spelled, spelt	I could not have been spelling you could not have been spelling he could not have been spelling we could not have been spelling you could not have been spelling they could not have been spelling

Interrogative form

Simple form	V-ing form
could I spell? could you spell? could he spell? could we spell? could you spell? could they spell?	could I be spelling? could you be spelling? could he be spelling? could we be spelling? could you be spelling? could they be spelling?
Perfect	V-ing perfect
could I have spelled, spelt? could you have spelled, spelt? could he have spelled, spelt? could we have spelled, spelt? could you have spelled, spelt? could they have spelled, spelt?	could I have been spelling? could you have been spelling? could he have been spelling? could we have been spelling? could you have been spelling? could they have been spelling?

Interro-negative form

Simple form	V-ing form
could I not spell? could you not spell? could he not spell? could we not spell? could you not spell? could they not spell?	could I not be spelling? could you not be spelling? could he not be spelling? could we not be spelling? could you not be spelling? could they not be spelling?
Perfect	V-ing perfect
could I not have spelled, spelt? could you not have spelled, spelt? could he not have spelled, spelt? could we not have spelled, spelt? could you not have spelled, spelt? could they not have spelled, spelt?	could I not have been spelling? could you not have been spelling? could he not have been spelling? could we not have been spelling? could you not have been spelling? could they not have been spelling?