English verb conjugation
COULD POPPLE

Regular verb: popple - poppled - poppled

Affirmation

Simple form	V-ing form
I could popple you could popple he could popple we could popple you could popple they could popple	I could be poppling you could be poppling he could be poppling we could be poppling you could be poppling they could be poppling
Perfect	V-ing perfect
I could have poppled you could have poppled he could have poppled we could have poppled you could have poppled they could have poppled	I could have been poppling you could have been poppling he could have been poppling we could have been poppling you could have been poppling they could have been poppling

Negation

Simple form	V-ing form
I could not popple you could not popple he could not popple we could not popple you could not popple they could not popple	I could not be poppling you could not be poppling he could not be poppling we could not be poppling you could not be poppling they could not be poppling
Perfect	V-ing perfect
I could not have poppled you could not have poppled he could not have poppled we could not have poppled you could not have poppled they could not have poppled	I could not have been poppling you could not have been poppling he could not have been poppling we could not have been poppling you could not have been poppling they could not have been poppling

Interrogative form

Simple form	V-ing form
could I popple? could you popple? could he popple? could we popple? could you popple? could they popple?	could I be poppling? could you be poppling? could he be poppling? could we be poppling? could you be poppling? could they be poppling?
Perfect	V-ing perfect
could I have poppled? could you have poppled? could he have poppled? could we have poppled? could you have poppled? could they have poppled?	could I have been poppling? could you have been poppling? could he have been poppling? could we have been poppling? could you have been poppling? could they have been poppling?

Interro-negative form

Simple form	V-ing form
could I not popple? could you not popple? could he not popple? could we not popple? could you not popple? could they not popple?	could I not be poppling? could you not be poppling? could he not be poppling? could we not be poppling? could you not be poppling? could they not be poppling?
Perfect	V-ing perfect
could I not have poppled? could you not have poppled? could he not have poppled? could we not have poppled? could you not have poppled? could they not have poppled?	could I not have been poppling? could you not have been poppling? could he not have been poppling? could we not have been poppling? could you not have been poppling? could they not have been poppling?