could poo
Regular verb: poo - pooed- pooed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
I could not poo
you could not poo
he could not poo
we could not poo
you could not poo
they could not poo 	I could not be pooing
you could not be pooing
he could not be pooing
we could not be pooing
you could not be pooing
they could not be pooing	I could not have pooed
you could not have pooed
he could not have pooed
we could not have pooed
you could not have pooed
they could not have pooed	I could not have been pooing
you could not have been pooing
he could not have been pooing
we could not have been pooing
you could not have been pooing
they could not have been pooing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
could I not poo?
could you not poo?
could he not poo?
could we not poo?
could you not poo?
could they not poo? 	could I not be pooing?
could you not be pooing?
could he not be pooing?
could we not be pooing?
could you not be pooing?
could they not be pooing? 	could I not have pooed?
could you not have pooed?
could he not have pooed?
could we not have pooed?
could you not have pooed?
could they not have pooed? 	could I not have been pooing?
could you not have been pooing?
could he not have been pooing?
could we not have been pooing?
could you not have been pooing?
could they not have been pooing?