English verb conjugation
COULD INTERRUPT

Regular verb: interrupt - interrupted - interrupted

Affirmation

Simple form	V-ing form
I could interrupt you could interrupt she could interrupt we could interrupt you could interrupt they could interrupt	I could be interrupting you could be interrupting she 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 she 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 she 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 she 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 she 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 she 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 she 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 she interrupt? could we interrupt? could you interrupt? could they interrupt?	could I be interrupting? could you be interrupting? could she 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 she 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 she 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 she 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 she 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 she 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 she have been interrupting? couldn't we have been interrupting? couldn't you have been interrupting? couldn't they have been interrupting?