I can pooh-pooh you can pooh-pooh he can pooh-pooh we can pooh-pooh you can pooh-pooh they can pooh-pooh
V-ing form
I can be pooh-poohing you can be pooh-poohing he can be pooh-poohing we can be pooh-poohing you can be pooh-poohing they can be pooh-poohing
Perfect
I can have pooh-poohed you can have pooh-poohed he can have pooh-poohed we can have pooh-poohed you can have pooh-poohed they can have pooh-poohed
V-ing perfect
I can have been pooh-poohing you can have been pooh-poohing he can have been pooh-poohing we can have been pooh-poohing you can have been pooh-poohing they can have been pooh-poohing
Negation
Simple form
I can't pooh-pooh you can't pooh-pooh he can't pooh-pooh we can't pooh-pooh you can't pooh-pooh they can't pooh-pooh
V-ing form
I can't be pooh-poohing you can't be pooh-poohing he can't be pooh-poohing we can't be pooh-poohing you can't be pooh-poohing they can't be pooh-poohing
Perfect
I can't have pooh-poohed you can't have pooh-poohed he can't have pooh-poohed we can't have pooh-poohed you can't have pooh-poohed they can't have pooh-poohed
V-ing perfect
I can't have been pooh-poohing you can't have been pooh-poohing he can't have been pooh-poohing we can't have been pooh-poohing you can't have been pooh-poohing they can't have been pooh-poohing
Interrogative form
Simple form
can I pooh-pooh? can you pooh-pooh? can he pooh-pooh? can we pooh-pooh? can you pooh-pooh? can they pooh-pooh?
V-ing form
can I be pooh-poohing? can you be pooh-poohing? can he be pooh-poohing? can we be pooh-poohing? can you be pooh-poohing? can they be pooh-poohing?
Perfect
can I have pooh-poohed? can you have pooh-poohed? can he have pooh-poohed? can we have pooh-poohed? can you have pooh-poohed? can they have pooh-poohed?
V-ing perfect
can I have been pooh-poohing? can you have been pooh-poohing? can he have been pooh-poohing? can we have been pooh-poohing? can you have been pooh-poohing? can they have been pooh-poohing?
Interro-negative form
Simple form
can't I pooh-pooh? can't you pooh-pooh? can't he pooh-pooh? can't we pooh-pooh? can't you pooh-pooh? can't they pooh-pooh?
V-ing form
can't I be pooh-poohing? can't you be pooh-poohing? can't he be pooh-poohing? can't we be pooh-poohing? can't you be pooh-poohing? can't they be pooh-poohing?
Perfect
can't I have pooh-poohed? can't you have pooh-poohed? can't he have pooh-poohed? can't we have pooh-poohed? can't you have pooh-poohed? can't they have pooh-poohed?
V-ing perfect
can't I have been pooh-poohing? can't you have been pooh-poohing? can't he have been pooh-poohing? can't we have been pooh-poohing? can't you have been pooh-poohing? can't they have been pooh-poohing?