English verb conjugation
COULD BADMOUTH

Regular verb: badmouth - badmouthed - badmouthed

Affirmation

Simple form	V-ing form
I could badmouth you could badmouth he could badmouth we could badmouth you could badmouth they could badmouth	I could be badmouthing you could be badmouthing he could be badmouthing we could be badmouthing you could be badmouthing they could be badmouthing
Perfect	V-ing perfect
I could have badmouthed you could have badmouthed he could have badmouthed we could have badmouthed you could have badmouthed they could have badmouthed	I could have been badmouthing you could have been badmouthing he could have been badmouthing we could have been badmouthing you could have been badmouthing they could have been badmouthing

Negation

Simple form	V-ing form
I couldn't badmouth you couldn't badmouth he couldn't badmouth we couldn't badmouth you couldn't badmouth they couldn't badmouth	I couldn't be badmouthing you couldn't be badmouthing he couldn't be badmouthing we couldn't be badmouthing you couldn't be badmouthing they couldn't be badmouthing
Perfect	V-ing perfect
I couldn't have badmouthed you couldn't have badmouthed he couldn't have badmouthed we couldn't have badmouthed you couldn't have badmouthed they couldn't have badmouthed	I couldn't have been badmouthing you couldn't have been badmouthing he couldn't have been badmouthing we couldn't have been badmouthing you couldn't have been badmouthing they couldn't have been badmouthing

Interrogative form

Simple form	V-ing form
could I badmouth? could you badmouth? could he badmouth? could we badmouth? could you badmouth? could they badmouth?	could I be badmouthing? could you be badmouthing? could he be badmouthing? could we be badmouthing? could you be badmouthing? could they be badmouthing?
Perfect	V-ing perfect
could I have badmouthed? could you have badmouthed? could he have badmouthed? could we have badmouthed? could you have badmouthed? could they have badmouthed?	could I have been badmouthing? could you have been badmouthing? could he have been badmouthing? could we have been badmouthing? could you have been badmouthing? could they have been badmouthing?

Interro-negative form

Simple form	V-ing form
couldn't I badmouth? couldn't you badmouth? couldn't he badmouth? couldn't we badmouth? couldn't you badmouth? couldn't they badmouth?	couldn't I be badmouthing? couldn't you be badmouthing? couldn't he be badmouthing? couldn't we be badmouthing? couldn't you be badmouthing? couldn't they be badmouthing?
Perfect	V-ing perfect
couldn't I have badmouthed? couldn't you have badmouthed? couldn't he have badmouthed? couldn't we have badmouthed? couldn't you have badmouthed? couldn't they have badmouthed?	couldn't I have been badmouthing? couldn't you have been badmouthing? couldn't he have been badmouthing? couldn't we have been badmouthing? couldn't you have been badmouthing? couldn't they have been badmouthing?