English verb conjugation
COULD CATNAP

Regular verb: catnap - catnapped - catnapped

Affirmation

Simple form	V-ing form
I could catnap you could catnap he could catnap we could catnap you could catnap they could catnap	I could be catnapping you could be catnapping he could be catnapping we could be catnapping you could be catnapping they could be catnapping
Perfect	V-ing perfect
I could have catnapped you could have catnapped he could have catnapped we could have catnapped you could have catnapped they could have catnapped	I could have been catnapping you could have been catnapping he could have been catnapping we could have been catnapping you could have been catnapping they could have been catnapping

Negation

Simple form	V-ing form
I couldn't catnap you couldn't catnap he couldn't catnap we couldn't catnap you couldn't catnap they couldn't catnap	I couldn't be catnapping you couldn't be catnapping he couldn't be catnapping we couldn't be catnapping you couldn't be catnapping they couldn't be catnapping
Perfect	V-ing perfect
I couldn't have catnapped you couldn't have catnapped he couldn't have catnapped we couldn't have catnapped you couldn't have catnapped they couldn't have catnapped	I couldn't have been catnapping you couldn't have been catnapping he couldn't have been catnapping we couldn't have been catnapping you couldn't have been catnapping they couldn't have been catnapping

Interrogative form

Simple form	V-ing form
could I catnap? could you catnap? could he catnap? could we catnap? could you catnap? could they catnap?	could I be catnapping? could you be catnapping? could he be catnapping? could we be catnapping? could you be catnapping? could they be catnapping?
Perfect	V-ing perfect
could I have catnapped? could you have catnapped? could he have catnapped? could we have catnapped? could you have catnapped? could they have catnapped?	could I have been catnapping? could you have been catnapping? could he have been catnapping? could we have been catnapping? could you have been catnapping? could they have been catnapping?

Interro-negative form

Simple form	V-ing form
couldn't I catnap? couldn't you catnap? couldn't he catnap? couldn't we catnap? couldn't you catnap? couldn't they catnap?	couldn't I be catnapping? couldn't you be catnapping? couldn't he be catnapping? couldn't we be catnapping? couldn't you be catnapping? couldn't they be catnapping?
Perfect	V-ing perfect
couldn't I have catnapped? couldn't you have catnapped? couldn't he have catnapped? couldn't we have catnapped? couldn't you have catnapped? couldn't they have catnapped?	couldn't I have been catnapping? couldn't you have been catnapping? couldn't he have been catnapping? couldn't we have been catnapping? couldn't you have been catnapping? couldn't they have been catnapping?