English verb conjugation
COULD PONY

Regular verb: pony - ponied - ponied

Affirmation

Simple form	V-ing form
I could pony you could pony he could pony we could pony you could pony they could pony	I could be ponying you could be ponying he could be ponying we could be ponying you could be ponying they could be ponying
Perfect	V-ing perfect
I could have ponied you could have ponied he could have ponied we could have ponied you could have ponied they could have ponied	I could have been ponying you could have been ponying he could have been ponying we could have been ponying you could have been ponying they could have been ponying

Negation

Simple form	V-ing form
I couldn't pony you couldn't pony he couldn't pony we couldn't pony you couldn't pony they couldn't pony	I couldn't be ponying you couldn't be ponying he couldn't be ponying we couldn't be ponying you couldn't be ponying they couldn't be ponying
Perfect	V-ing perfect
I couldn't have ponied you couldn't have ponied he couldn't have ponied we couldn't have ponied you couldn't have ponied they couldn't have ponied	I couldn't have been ponying you couldn't have been ponying he couldn't have been ponying we couldn't have been ponying you couldn't have been ponying they couldn't have been ponying

Interrogative form

Simple form	V-ing form
could I pony? could you pony? could he pony? could we pony? could you pony? could they pony?	could I be ponying? could you be ponying? could he be ponying? could we be ponying? could you be ponying? could they be ponying?
Perfect	V-ing perfect
could I have ponied? could you have ponied? could he have ponied? could we have ponied? could you have ponied? could they have ponied?	could I have been ponying? could you have been ponying? could he have been ponying? could we have been ponying? could you have been ponying? could they have been ponying?

Interro-negative form

Simple form	V-ing form
couldn't I pony? couldn't you pony? couldn't he pony? couldn't we pony? couldn't you pony? couldn't they pony?	couldn't I be ponying? couldn't you be ponying? couldn't he be ponying? couldn't we be ponying? couldn't you be ponying? couldn't they be ponying?
Perfect	V-ing perfect
couldn't I have ponied? couldn't you have ponied? couldn't he have ponied? couldn't we have ponied? couldn't you have ponied? couldn't they have ponied?	couldn't I have been ponying? couldn't you have been ponying? couldn't he have been ponying? couldn't we have been ponying? couldn't you have been ponying? couldn't they have been ponying?