could pooh-pooh
Regular verb: pooh-pooh - pooh-poohed- pooh-poohed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could pooh-pooh
you could pooh-pooh
she could pooh-pooh
we could pooh-pooh
you could pooh-pooh
they could pooh-pooh 	I could be pooh-poohing
you could be pooh-poohing
she could be pooh-poohing
we could be pooh-poohing
you could be pooh-poohing
they could be pooh-poohing	I could have pooh-poohed
you could have pooh-poohed
she could have pooh-poohed
we could have pooh-poohed
you could have pooh-poohed
they could have pooh-poohed	I could have been pooh-poohing
you could have been pooh-poohing
she could have been pooh-poohing
we could have been pooh-poohing
you could have been pooh-poohing
they could have been pooh-poohing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't pooh-pooh
you couldn't pooh-pooh
she couldn't pooh-pooh
we couldn't pooh-pooh
you couldn't pooh-pooh
they couldn't pooh-pooh 	I couldn't be pooh-poohing
you couldn't be pooh-poohing
she couldn't be pooh-poohing
we couldn't be pooh-poohing
you couldn't be pooh-poohing
they couldn't be pooh-poohing	I couldn't have pooh-poohed
you couldn't have pooh-poohed
she couldn't have pooh-poohed
we couldn't have pooh-poohed
you couldn't have pooh-poohed
they couldn't have pooh-poohed	I couldn't have been pooh-poohing
you couldn't have been pooh-poohing
she couldn't have been pooh-poohing
we couldn't have been pooh-poohing
you couldn't have been pooh-poohing
they couldn't have been pooh-poohing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I pooh-pooh?
could you pooh-pooh?
could she pooh-pooh?
could we pooh-pooh?
could you pooh-pooh?
could they pooh-pooh? 	could I be pooh-poohing?
could you be pooh-poohing?
could she be pooh-poohing?
could we be pooh-poohing?
could you be pooh-poohing?
could they be pooh-poohing? 	could I have pooh-poohed?
could you have pooh-poohed?
could she have pooh-poohed?
could we have pooh-poohed?
could you have pooh-poohed?
could they have pooh-poohed? 	could I have been pooh-poohing?
could you have been pooh-poohing?
could she have been pooh-poohing?
could we have been pooh-poohing?
could you have been pooh-poohing?
could they have been pooh-poohing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I pooh-pooh?
couldn't you pooh-pooh?
couldn't she pooh-pooh?
couldn't we pooh-pooh?
couldn't you pooh-pooh?
couldn't they pooh-pooh? 	couldn't I be pooh-poohing?
couldn't you be pooh-poohing?
couldn't she be pooh-poohing?
couldn't we be pooh-poohing?
couldn't you be pooh-poohing?
couldn't they be pooh-poohing? 	couldn't I have pooh-poohed?
couldn't you have pooh-poohed?
couldn't she have pooh-poohed?
couldn't we have pooh-poohed?
couldn't you have pooh-poohed?
couldn't they have pooh-poohed? 	couldn't I have been pooh-poohing?
couldn't you have been pooh-poohing?
couldn't she have been pooh-poohing?
couldn't we have been pooh-poohing?
couldn't you have been pooh-poohing?
couldn't they have been pooh-poohing?