English verb conjugation
COULD OH

Regular verb: oh - ohed - ohed

Affirmation

Simple form	V-ing form
I could oh you could oh he could oh we could oh you could oh they could oh	I could be ohing you could be ohing he could be ohing we could be ohing you could be ohing they could be ohing
Perfect	V-ing perfect
I could have ohed you could have ohed he could have ohed we could have ohed you could have ohed they could have ohed	I could have been ohing you could have been ohing he could have been ohing we could have been ohing you could have been ohing they could have been ohing

Negation

Simple form	V-ing form
I could not oh you could not oh he could not oh we could not oh you could not oh they could not oh	I could not be ohing you could not be ohing he could not be ohing we could not be ohing you could not be ohing they could not be ohing
Perfect	V-ing perfect
I could not have ohed you could not have ohed he could not have ohed we could not have ohed you could not have ohed they could not have ohed	I could not have been ohing you could not have been ohing he could not have been ohing we could not have been ohing you could not have been ohing they could not have been ohing

Interrogative form

Simple form	V-ing form
could I oh? could you oh? could he oh? could we oh? could you oh? could they oh?	could I be ohing? could you be ohing? could he be ohing? could we be ohing? could you be ohing? could they be ohing?
Perfect	V-ing perfect
could I have ohed? could you have ohed? could he have ohed? could we have ohed? could you have ohed? could they have ohed?	could I have been ohing? could you have been ohing? could he have been ohing? could we have been ohing? could you have been ohing? could they have been ohing?

Interro-negative form

Simple form	V-ing form
could I not oh? could you not oh? could he not oh? could we not oh? could you not oh? could they not oh?	could I not be ohing? could you not be ohing? could he not be ohing? could we not be ohing? could you not be ohing? could they not be ohing?
Perfect	V-ing perfect
could I not have ohed? could you not have ohed? could he not have ohed? could we not have ohed? could you not have ohed? could they not have ohed?	could I not have been ohing? could you not have been ohing? could he not have been ohing? could we not have been ohing? could you not have been ohing? could they not have been ohing?