English verb conjugation
COULD FILLIP

Regular verb: fillip - filliped - filliped

Affirmation

Simple form	V-ing form
I could fillip you could fillip he could fillip we could fillip you could fillip they could fillip	I could be filliping you could be filliping he could be filliping we could be filliping you could be filliping they could be filliping
Perfect	V-ing perfect
I could have filliped you could have filliped he could have filliped we could have filliped you could have filliped they could have filliped	I could have been filliping you could have been filliping he could have been filliping we could have been filliping you could have been filliping they could have been filliping

Negation

Simple form	V-ing form
I couldn't fillip you couldn't fillip he couldn't fillip we couldn't fillip you couldn't fillip they couldn't fillip	I couldn't be filliping you couldn't be filliping he couldn't be filliping we couldn't be filliping you couldn't be filliping they couldn't be filliping
Perfect	V-ing perfect
I couldn't have filliped you couldn't have filliped he couldn't have filliped we couldn't have filliped you couldn't have filliped they couldn't have filliped	I couldn't have been filliping you couldn't have been filliping he couldn't have been filliping we couldn't have been filliping you couldn't have been filliping they couldn't have been filliping

Interrogative form

Simple form	V-ing form
could I fillip? could you fillip? could he fillip? could we fillip? could you fillip? could they fillip?	could I be filliping? could you be filliping? could he be filliping? could we be filliping? could you be filliping? could they be filliping?
Perfect	V-ing perfect
could I have filliped? could you have filliped? could he have filliped? could we have filliped? could you have filliped? could they have filliped?	could I have been filliping? could you have been filliping? could he have been filliping? could we have been filliping? could you have been filliping? could they have been filliping?

Interro-negative form

Simple form	V-ing form
couldn't I fillip? couldn't you fillip? couldn't he fillip? couldn't we fillip? couldn't you fillip? couldn't they fillip?	couldn't I be filliping? couldn't you be filliping? couldn't he be filliping? couldn't we be filliping? couldn't you be filliping? couldn't they be filliping?
Perfect	V-ing perfect
couldn't I have filliped? couldn't you have filliped? couldn't he have filliped? couldn't we have filliped? couldn't you have filliped? couldn't they have filliped?	couldn't I have been filliping? couldn't you have been filliping? couldn't he have been filliping? couldn't we have been filliping? couldn't you have been filliping? couldn't they have been filliping?