English verb conjugation
COULD OH

Regular verb: oh - ohed - ohed

Affirmation

Simple form	V-ing form
I could oh you could oh she could oh we could oh you could oh they could oh	I could be ohing you could be ohing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she oh? could we oh? could you oh? could they oh?	could I be ohing? could you be ohing? could she 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 she 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 she 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 she 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 she 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 she 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 she not have been ohing? could we not have been ohing? could you not have been ohing? could they not have been ohing?