Irregular verb: spell - spelled, spelt - spelled, spelt
Affirmation
Simple form
I could spell you could spell he could spell we could spell you could spell they could spell
V-ing form
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
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
V-ing perfect
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
I couldn't spell you couldn't spell he couldn't spell we couldn't spell you couldn't spell they couldn't spell
V-ing form
I couldn't be spelling you couldn't be spelling he couldn't be spelling we couldn't be spelling you couldn't be spelling they couldn't be spelling
Perfect
I couldn't have spelled, spelt you couldn't have spelled, spelt he couldn't have spelled, spelt we couldn't have spelled, spelt you couldn't have spelled, spelt they couldn't have spelled, spelt
V-ing perfect
I couldn't have been spelling you couldn't have been spelling he couldn't have been spelling we couldn't have been spelling you couldn't have been spelling they couldn't have been spelling
Interrogative form
Simple form
could I spell? could you spell? could he spell? could we spell? could you spell? could they spell?
V-ing form
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
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?
V-ing perfect
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
couldn't I spell? couldn't you spell? couldn't he spell? couldn't we spell? couldn't you spell? couldn't they spell?
V-ing form
couldn't I be spelling? couldn't you be spelling? couldn't he be spelling? couldn't we be spelling? couldn't you be spelling? couldn't they be spelling?
Perfect
couldn't I have spelled, spelt? couldn't you have spelled, spelt? couldn't he have spelled, spelt? couldn't we have spelled, spelt? couldn't you have spelled, spelt? couldn't they have spelled, spelt?
V-ing perfect
couldn't I have been spelling? couldn't you have been spelling? couldn't he have been spelling? couldn't we have been spelling? couldn't you have been spelling? couldn't they have been spelling?