English verb conjugation
COULD SNIPE

Regular verb: snipe - sniped - sniped

Affirmation

Simple form	V-ing form
I could snipe you could snipe he could snipe we could snipe you could snipe they could snipe	I could be sniping you could be sniping he could be sniping we could be sniping you could be sniping they could be sniping
Perfect	V-ing perfect
I could have sniped you could have sniped he could have sniped we could have sniped you could have sniped they could have sniped	I could have been sniping you could have been sniping he could have been sniping we could have been sniping you could have been sniping they could have been sniping

Negation

Simple form	V-ing form
I couldn't snipe you couldn't snipe he couldn't snipe we couldn't snipe you couldn't snipe they couldn't snipe	I couldn't be sniping you couldn't be sniping he couldn't be sniping we couldn't be sniping you couldn't be sniping they couldn't be sniping
Perfect	V-ing perfect
I couldn't have sniped you couldn't have sniped he couldn't have sniped we couldn't have sniped you couldn't have sniped they couldn't have sniped	I couldn't have been sniping you couldn't have been sniping he couldn't have been sniping we couldn't have been sniping you couldn't have been sniping they couldn't have been sniping

Interrogative form

Simple form	V-ing form
could I snipe? could you snipe? could he snipe? could we snipe? could you snipe? could they snipe?	could I be sniping? could you be sniping? could he be sniping? could we be sniping? could you be sniping? could they be sniping?
Perfect	V-ing perfect
could I have sniped? could you have sniped? could he have sniped? could we have sniped? could you have sniped? could they have sniped?	could I have been sniping? could you have been sniping? could he have been sniping? could we have been sniping? could you have been sniping? could they have been sniping?

Interro-negative form

Simple form	V-ing form
couldn't I snipe? couldn't you snipe? couldn't he snipe? couldn't we snipe? couldn't you snipe? couldn't they snipe?	couldn't I be sniping? couldn't you be sniping? couldn't he be sniping? couldn't we be sniping? couldn't you be sniping? couldn't they be sniping?
Perfect	V-ing perfect
couldn't I have sniped? couldn't you have sniped? couldn't he have sniped? couldn't we have sniped? couldn't you have sniped? couldn't they have sniped?	couldn't I have been sniping? couldn't you have been sniping? couldn't he have been sniping? couldn't we have been sniping? couldn't you have been sniping? couldn't they have been sniping?