could plotz
Regular verb: plotz - plotzed- plotzed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could plotz
you could plotz
he could plotz
we could plotz
you could plotz
they could plotz 	I could be plotzing
you could be plotzing
he could be plotzing
we could be plotzing
you could be plotzing
they could be plotzing	I could have plotzed
you could have plotzed
he 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
he 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 	Perfect 	V-ing perfect 	
I couldn't plotz
you couldn't plotz
he couldn't plotz
we couldn't plotz
you couldn't plotz
they couldn't plotz 	I couldn't be plotzing
you couldn't be plotzing
he couldn't be plotzing
we couldn't be plotzing
you couldn't be plotzing
they couldn't be plotzing	I couldn't have plotzed
you couldn't have plotzed
he couldn't have plotzed
we couldn't have plotzed
you couldn't have plotzed
they couldn't have plotzed	I couldn't have been plotzing
you couldn't have been plotzing
he couldn't have been plotzing
we couldn't have been plotzing
you couldn't have been plotzing
they couldn't have been plotzing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I plotz?
could you plotz?
could he plotz?
could we plotz?
could you plotz?
could they plotz? 	could I be plotzing?
could you be plotzing?
could he be plotzing?
could we be plotzing?
could you be plotzing?
could they be plotzing? 	could I have plotzed?
could you have plotzed?
could he 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 he 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 	Perfect 	V-ing perfect 	
couldn't I plotz?
couldn't you plotz?
couldn't he plotz?
couldn't we plotz?
couldn't you plotz?
couldn't they plotz? 	couldn't I be plotzing?
couldn't you be plotzing?
couldn't he be plotzing?
couldn't we be plotzing?
couldn't you be plotzing?
couldn't they be plotzing? 	couldn't I have plotzed?
couldn't you have plotzed?
couldn't he have plotzed?
couldn't we have plotzed?
couldn't you have plotzed?
couldn't they have plotzed? 	couldn't I have been plotzing?
couldn't you have been plotzing?
couldn't he have been plotzing?
couldn't we have been plotzing?
couldn't you have been plotzing?
couldn't they have been plotzing?