English verb conjugation
COULD DEBONE

Regular verb: debone - deboned - deboned

Affirmation

Simple form	V-ing form
I could debone you could debone he could debone we could debone you could debone they could debone	I could be deboning you could be deboning he could be deboning we could be deboning you could be deboning they could be deboning
Perfect	V-ing perfect
I could have deboned you could have deboned he could have deboned we could have deboned you could have deboned they could have deboned	I could have been deboning you could have been deboning he could have been deboning we could have been deboning you could have been deboning they could have been deboning

Negation

Simple form	V-ing form
I couldn't debone you couldn't debone he couldn't debone we couldn't debone you couldn't debone they couldn't debone	I couldn't be deboning you couldn't be deboning he couldn't be deboning we couldn't be deboning you couldn't be deboning they couldn't be deboning
Perfect	V-ing perfect
I couldn't have deboned you couldn't have deboned he couldn't have deboned we couldn't have deboned you couldn't have deboned they couldn't have deboned	I couldn't have been deboning you couldn't have been deboning he couldn't have been deboning we couldn't have been deboning you couldn't have been deboning they couldn't have been deboning

Interrogative form

Simple form	V-ing form
could I debone? could you debone? could he debone? could we debone? could you debone? could they debone?	could I be deboning? could you be deboning? could he be deboning? could we be deboning? could you be deboning? could they be deboning?
Perfect	V-ing perfect
could I have deboned? could you have deboned? could he have deboned? could we have deboned? could you have deboned? could they have deboned?	could I have been deboning? could you have been deboning? could he have been deboning? could we have been deboning? could you have been deboning? could they have been deboning?

Interro-negative form

Simple form	V-ing form
couldn't I debone? couldn't you debone? couldn't he debone? couldn't we debone? couldn't you debone? couldn't they debone?	couldn't I be deboning? couldn't you be deboning? couldn't he be deboning? couldn't we be deboning? couldn't you be deboning? couldn't they be deboning?
Perfect	V-ing perfect
couldn't I have deboned? couldn't you have deboned? couldn't he have deboned? couldn't we have deboned? couldn't you have deboned? couldn't they have deboned?	couldn't I have been deboning? couldn't you have been deboning? couldn't he have been deboning? couldn't we have been deboning? couldn't you have been deboning? couldn't they have been deboning?