English verb conjugation
COULD ZAP

Regular verb: zap - zapped - zapped

Affirmation

Simple form	V-ing form
I could zap you could zap he could zap we could zap you could zap they could zap	I could be zapping you could be zapping he could be zapping we could be zapping you could be zapping they could be zapping
Perfect	V-ing perfect
I could have zapped you could have zapped he could have zapped we could have zapped you could have zapped they could have zapped	I could have been zapping you could have been zapping he could have been zapping we could have been zapping you could have been zapping they could have been zapping

Negation

Simple form	V-ing form
I couldn't zap you couldn't zap he couldn't zap we couldn't zap you couldn't zap they couldn't zap	I couldn't be zapping you couldn't be zapping he couldn't be zapping we couldn't be zapping you couldn't be zapping they couldn't be zapping
Perfect	V-ing perfect
I couldn't have zapped you couldn't have zapped he couldn't have zapped we couldn't have zapped you couldn't have zapped they couldn't have zapped	I couldn't have been zapping you couldn't have been zapping he couldn't have been zapping we couldn't have been zapping you couldn't have been zapping they couldn't have been zapping

Interrogative form

Simple form	V-ing form
could I zap? could you zap? could he zap? could we zap? could you zap? could they zap?	could I be zapping? could you be zapping? could he be zapping? could we be zapping? could you be zapping? could they be zapping?
Perfect	V-ing perfect
could I have zapped? could you have zapped? could he have zapped? could we have zapped? could you have zapped? could they have zapped?	could I have been zapping? could you have been zapping? could he have been zapping? could we have been zapping? could you have been zapping? could they have been zapping?

Interro-negative form

Simple form	V-ing form
couldn't I zap? couldn't you zap? couldn't he zap? couldn't we zap? couldn't you zap? couldn't they zap?	couldn't I be zapping? couldn't you be zapping? couldn't he be zapping? couldn't we be zapping? couldn't you be zapping? couldn't they be zapping?
Perfect	V-ing perfect
couldn't I have zapped? couldn't you have zapped? couldn't he have zapped? couldn't we have zapped? couldn't you have zapped? couldn't they have zapped?	couldn't I have been zapping? couldn't you have been zapping? couldn't he have been zapping? couldn't we have been zapping? couldn't you have been zapping? couldn't they have been zapping?