English verb conjugation
COULD POOH

Regular verb: pooh - poohed - poohed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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