English verb conjugation
COULD POO

Regular verb: poo - pooed - pooed

Affirmation

Simple form	V-ing form
I could poo you could poo he could poo we could poo you could poo they could poo	I could be pooing you could be pooing he could be pooing we could be pooing you could be pooing they could be pooing
Perfect	V-ing perfect
I could have pooed you could have pooed he could have pooed we could have pooed you could have pooed they could have pooed	I could have been pooing you could have been pooing he could have been pooing we could have been pooing you could have been pooing they could have been pooing

Negation

Simple form	V-ing form
I couldn't poo you couldn't poo he couldn't poo we couldn't poo you couldn't poo they couldn't poo	I couldn't be pooing you couldn't be pooing he couldn't be pooing we couldn't be pooing you couldn't be pooing they couldn't be pooing
Perfect	V-ing perfect
I couldn't have pooed you couldn't have pooed he couldn't have pooed we couldn't have pooed you couldn't have pooed they couldn't have pooed	I couldn't have been pooing you couldn't have been pooing he couldn't have been pooing we couldn't have been pooing you couldn't have been pooing they couldn't have been pooing

Interrogative form

Simple form	V-ing form
could I poo? could you poo? could he poo? could we poo? could you poo? could they poo?	could I be pooing? could you be pooing? could he be pooing? could we be pooing? could you be pooing? could they be pooing?
Perfect	V-ing perfect
could I have pooed? could you have pooed? could he have pooed? could we have pooed? could you have pooed? could they have pooed?	could I have been pooing? could you have been pooing? could he have been pooing? could we have been pooing? could you have been pooing? could they have been pooing?

Interro-negative form

Simple form	V-ing form
couldn't I poo? couldn't you poo? couldn't he poo? couldn't we poo? couldn't you poo? couldn't they poo?	couldn't I be pooing? couldn't you be pooing? couldn't he be pooing? couldn't we be pooing? couldn't you be pooing? couldn't they be pooing?
Perfect	V-ing perfect
couldn't I have pooed? couldn't you have pooed? couldn't he have pooed? couldn't we have pooed? couldn't you have pooed? couldn't they have pooed?	couldn't I have been pooing? couldn't you have been pooing? couldn't he have been pooing? couldn't we have been pooing? couldn't you have been pooing? couldn't they have been pooing?