English verb conjugation
COULD BEEP

Regular verb: beep - beeped - beeped

Affirmation

Simple form	V-ing form
I could beep you could beep he could beep we could beep you could beep they could beep	I could be beeping you could be beeping he could be beeping we could be beeping you could be beeping they could be beeping
Perfect	V-ing perfect
I could have beeped you could have beeped he could have beeped we could have beeped you could have beeped they could have beeped	I could have been beeping you could have been beeping he could have been beeping we could have been beeping you could have been beeping they could have been beeping

Negation

Simple form	V-ing form
I could not beep you could not beep he could not beep we could not beep you could not beep they could not beep	I could not be beeping you could not be beeping he could not be beeping we could not be beeping you could not be beeping they could not be beeping
Perfect	V-ing perfect
I could not have beeped you could not have beeped he could not have beeped we could not have beeped you could not have beeped they could not have beeped	I could not have been beeping you could not have been beeping he could not have been beeping we could not have been beeping you could not have been beeping they could not have been beeping

Interrogative form

Simple form	V-ing form
could I beep? could you beep? could he beep? could we beep? could you beep? could they beep?	could I be beeping? could you be beeping? could he be beeping? could we be beeping? could you be beeping? could they be beeping?
Perfect	V-ing perfect
could I have beeped? could you have beeped? could he have beeped? could we have beeped? could you have beeped? could they have beeped?	could I have been beeping? could you have been beeping? could he have been beeping? could we have been beeping? could you have been beeping? could they have been beeping?

Interro-negative form

Simple form	V-ing form
could I not beep? could you not beep? could he not beep? could we not beep? could you not beep? could they not beep?	could I not be beeping? could you not be beeping? could he not be beeping? could we not be beeping? could you not be beeping? could they not be beeping?
Perfect	V-ing perfect
could I not have beeped? could you not have beeped? could he not have beeped? could we not have beeped? could you not have beeped? could they not have beeped?	could I not have been beeping? could you not have been beeping? could he not have been beeping? could we not have been beeping? could you not have been beeping? could they not have been beeping?