English verb conjugation
COULD PERPETRATE

Regular verb: perpetrate - perpetrated - perpetrated

Affirmation

Simple form	V-ing form
I could perpetrate you could perpetrate he could perpetrate we could perpetrate you could perpetrate they could perpetrate	I could be perpetrating you could be perpetrating he could be perpetrating we could be perpetrating you could be perpetrating they could be perpetrating
Perfect	V-ing perfect
I could have perpetrated you could have perpetrated he could have perpetrated we could have perpetrated you could have perpetrated they could have perpetrated	I could have been perpetrating you could have been perpetrating he could have been perpetrating we could have been perpetrating you could have been perpetrating they could have been perpetrating

Negation

Simple form	V-ing form
I couldn't perpetrate you couldn't perpetrate he couldn't perpetrate we couldn't perpetrate you couldn't perpetrate they couldn't perpetrate	I couldn't be perpetrating you couldn't be perpetrating he couldn't be perpetrating we couldn't be perpetrating you couldn't be perpetrating they couldn't be perpetrating
Perfect	V-ing perfect
I couldn't have perpetrated you couldn't have perpetrated he couldn't have perpetrated we couldn't have perpetrated you couldn't have perpetrated they couldn't have perpetrated	I couldn't have been perpetrating you couldn't have been perpetrating he couldn't have been perpetrating we couldn't have been perpetrating you couldn't have been perpetrating they couldn't have been perpetrating

Interrogative form

Simple form	V-ing form
could I perpetrate? could you perpetrate? could he perpetrate? could we perpetrate? could you perpetrate? could they perpetrate?	could I be perpetrating? could you be perpetrating? could he be perpetrating? could we be perpetrating? could you be perpetrating? could they be perpetrating?
Perfect	V-ing perfect
could I have perpetrated? could you have perpetrated? could he have perpetrated? could we have perpetrated? could you have perpetrated? could they have perpetrated?	could I have been perpetrating? could you have been perpetrating? could he have been perpetrating? could we have been perpetrating? could you have been perpetrating? could they have been perpetrating?

Interro-negative form

Simple form	V-ing form
couldn't I perpetrate? couldn't you perpetrate? couldn't he perpetrate? couldn't we perpetrate? couldn't you perpetrate? couldn't they perpetrate?	couldn't I be perpetrating? couldn't you be perpetrating? couldn't he be perpetrating? couldn't we be perpetrating? couldn't you be perpetrating? couldn't they be perpetrating?
Perfect	V-ing perfect
couldn't I have perpetrated? couldn't you have perpetrated? couldn't he have perpetrated? couldn't we have perpetrated? couldn't you have perpetrated? couldn't they have perpetrated?	couldn't I have been perpetrating? couldn't you have been perpetrating? couldn't he have been perpetrating? couldn't we have been perpetrating? couldn't you have been perpetrating? couldn't they have been perpetrating?