English verb conjugation
COULD BEEP

Regular verb: beep - beeped - beeped

Affirmation

Simple form	V-ing form
I could beep you could beep she could beep we could beep you could beep they could beep	I could be beeping you could be beeping she 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 she 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 she 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 couldn't beep you couldn't beep she couldn't beep we couldn't beep you couldn't beep they couldn't beep	I couldn't be beeping you couldn't be beeping she couldn't be beeping we couldn't be beeping you couldn't be beeping they couldn't be beeping
Perfect	V-ing perfect
I couldn't have beeped you couldn't have beeped she couldn't have beeped we couldn't have beeped you couldn't have beeped they couldn't have beeped	I couldn't have been beeping you couldn't have been beeping she couldn't have been beeping we couldn't have been beeping you couldn't have been beeping they couldn't have been beeping

Interrogative form

Simple form	V-ing form
could I beep? could you beep? could she beep? could we beep? could you beep? could they beep?	could I be beeping? could you be beeping? could she 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 she 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 she 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
couldn't I beep? couldn't you beep? couldn't she beep? couldn't we beep? couldn't you beep? couldn't they beep?	couldn't I be beeping? couldn't you be beeping? couldn't she be beeping? couldn't we be beeping? couldn't you be beeping? couldn't they be beeping?
Perfect	V-ing perfect
couldn't I have beeped? couldn't you have beeped? couldn't she have beeped? couldn't we have beeped? couldn't you have beeped? couldn't they have beeped?	couldn't I have been beeping? couldn't you have been beeping? couldn't she have been beeping? couldn't we have been beeping? couldn't you have been beeping? couldn't they have been beeping?