English verb conjugation
COULD NAP

Regular verb: nap - napped - napped

Affirmation

Simple form	V-ing form
I could nap you could nap he could nap we could nap you could nap they could nap	I could be napping you could be napping he could be napping we could be napping you could be napping they could be napping
Perfect	V-ing perfect
I could have napped you could have napped he could have napped we could have napped you could have napped they could have napped	I could have been napping you could have been napping he could have been napping we could have been napping you could have been napping they could have been napping

Negation

Simple form	V-ing form
I couldn't nap you couldn't nap he couldn't nap we couldn't nap you couldn't nap they couldn't nap	I couldn't be napping you couldn't be napping he couldn't be napping we couldn't be napping you couldn't be napping they couldn't be napping
Perfect	V-ing perfect
I couldn't have napped you couldn't have napped he couldn't have napped we couldn't have napped you couldn't have napped they couldn't have napped	I couldn't have been napping you couldn't have been napping he couldn't have been napping we couldn't have been napping you couldn't have been napping they couldn't have been napping

Interrogative form

Simple form	V-ing form
could I nap? could you nap? could he nap? could we nap? could you nap? could they nap?	could I be napping? could you be napping? could he be napping? could we be napping? could you be napping? could they be napping?
Perfect	V-ing perfect
could I have napped? could you have napped? could he have napped? could we have napped? could you have napped? could they have napped?	could I have been napping? could you have been napping? could he have been napping? could we have been napping? could you have been napping? could they have been napping?

Interro-negative form

Simple form	V-ing form
couldn't I nap? couldn't you nap? couldn't he nap? couldn't we nap? couldn't you nap? couldn't they nap?	couldn't I be napping? couldn't you be napping? couldn't he be napping? couldn't we be napping? couldn't you be napping? couldn't they be napping?
Perfect	V-ing perfect
couldn't I have napped? couldn't you have napped? couldn't he have napped? couldn't we have napped? couldn't you have napped? couldn't they have napped?	couldn't I have been napping? couldn't you have been napping? couldn't he have been napping? couldn't we have been napping? couldn't you have been napping? couldn't they have been napping?