English verb conjugation
COULD INTERRUPT

Regular verb: interrupt - interrupted - interrupted

Affirmation

Simple form	V-ing form
I could interrupt you could interrupt he could interrupt we could interrupt you could interrupt they could interrupt	I could be interrupting you could be interrupting he could be interrupting we could be interrupting you could be interrupting they could be interrupting
Perfect	V-ing perfect
I could have interrupted you could have interrupted he could have interrupted we could have interrupted you could have interrupted they could have interrupted	I could have been interrupting you could have been interrupting he could have been interrupting we could have been interrupting you could have been interrupting they could have been interrupting

Negation

Simple form	V-ing form
I couldn't interrupt you couldn't interrupt he couldn't interrupt we couldn't interrupt you couldn't interrupt they couldn't interrupt	I couldn't be interrupting you couldn't be interrupting he couldn't be interrupting we couldn't be interrupting you couldn't be interrupting they couldn't be interrupting
Perfect	V-ing perfect
I couldn't have interrupted you couldn't have interrupted he couldn't have interrupted we couldn't have interrupted you couldn't have interrupted they couldn't have interrupted	I couldn't have been interrupting you couldn't have been interrupting he couldn't have been interrupting we couldn't have been interrupting you couldn't have been interrupting they couldn't have been interrupting

Interrogative form

Simple form	V-ing form
could I interrupt? could you interrupt? could he interrupt? could we interrupt? could you interrupt? could they interrupt?	could I be interrupting? could you be interrupting? could he be interrupting? could we be interrupting? could you be interrupting? could they be interrupting?
Perfect	V-ing perfect
could I have interrupted? could you have interrupted? could he have interrupted? could we have interrupted? could you have interrupted? could they have interrupted?	could I have been interrupting? could you have been interrupting? could he have been interrupting? could we have been interrupting? could you have been interrupting? could they have been interrupting?

Interro-negative form

Simple form	V-ing form
couldn't I interrupt? couldn't you interrupt? couldn't he interrupt? couldn't we interrupt? couldn't you interrupt? couldn't they interrupt?	couldn't I be interrupting? couldn't you be interrupting? couldn't he be interrupting? couldn't we be interrupting? couldn't you be interrupting? couldn't they be interrupting?
Perfect	V-ing perfect
couldn't I have interrupted? couldn't you have interrupted? couldn't he have interrupted? couldn't we have interrupted? couldn't you have interrupted? couldn't they have interrupted?	couldn't I have been interrupting? couldn't you have been interrupting? couldn't he have been interrupting? couldn't we have been interrupting? couldn't you have been interrupting? couldn't they have been interrupting?