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 couldn't oh you couldn't oh she couldn't oh we couldn't oh you couldn't oh they couldn't oh	I couldn't be ohing you couldn't be ohing she couldn't be ohing we couldn't be ohing you couldn't be ohing they couldn't be ohing
Perfect	V-ing perfect
I couldn't have ohed you couldn't have ohed she couldn't have ohed we couldn't have ohed you couldn't have ohed they couldn't have ohed	I couldn't have been ohing you couldn't have been ohing she couldn't have been ohing we couldn't have been ohing you couldn't have been ohing they couldn't 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
couldn't I oh? couldn't you oh? couldn't she oh? couldn't we oh? couldn't you oh? couldn't they oh?	couldn't I be ohing? couldn't you be ohing? couldn't she be ohing? couldn't we be ohing? couldn't you be ohing? couldn't they be ohing?
Perfect	V-ing perfect
couldn't I have ohed? couldn't you have ohed? couldn't she have ohed? couldn't we have ohed? couldn't you have ohed? couldn't they have ohed?	couldn't I have been ohing? couldn't you have been ohing? couldn't she have been ohing? couldn't we have been ohing? couldn't you have been ohing? couldn't they have been ohing?