English verb conjugation
COULD PLOTZ

Regular verb: plotz - plotzed - plotzed

Affirmation

Simple form	V-ing form
I could plotz you could plotz she could plotz we could plotz you could plotz they could plotz	I could be plotzing you could be plotzing she could be plotzing we could be plotzing you could be plotzing they could be plotzing
Perfect	V-ing perfect
I could have plotzed you could have plotzed she could have plotzed we could have plotzed you could have plotzed they could have plotzed	I could have been plotzing you could have been plotzing she could have been plotzing we could have been plotzing you could have been plotzing they could have been plotzing

Negation

Simple form	V-ing form
I could not plotz you could not plotz she could not plotz we could not plotz you could not plotz they could not plotz	I could not be plotzing you could not be plotzing she could not be plotzing we could not be plotzing you could not be plotzing they could not be plotzing
Perfect	V-ing perfect
I could not have plotzed you could not have plotzed she could not have plotzed we could not have plotzed you could not have plotzed they could not have plotzed	I could not have been plotzing you could not have been plotzing she could not have been plotzing we could not have been plotzing you could not have been plotzing they could not have been plotzing

Interrogative form

Simple form	V-ing form
could I plotz? could you plotz? could she plotz? could we plotz? could you plotz? could they plotz?	could I be plotzing? could you be plotzing? could she be plotzing? could we be plotzing? could you be plotzing? could they be plotzing?
Perfect	V-ing perfect
could I have plotzed? could you have plotzed? could she have plotzed? could we have plotzed? could you have plotzed? could they have plotzed?	could I have been plotzing? could you have been plotzing? could she have been plotzing? could we have been plotzing? could you have been plotzing? could they have been plotzing?

Interro-negative form

Simple form	V-ing form
could I not plotz? could you not plotz? could she not plotz? could we not plotz? could you not plotz? could they not plotz?	could I not be plotzing? could you not be plotzing? could she not be plotzing? could we not be plotzing? could you not be plotzing? could they not be plotzing?
Perfect	V-ing perfect
could I not have plotzed? could you not have plotzed? could she not have plotzed? could we not have plotzed? could you not have plotzed? could they not have plotzed?	could I not have been plotzing? could you not have been plotzing? could she not have been plotzing? could we not have been plotzing? could you not have been plotzing? could they not have been plotzing?