English verb conjugation
COULD CONGRESS

Regular verb: congress - congressed - congressed

Affirmation

Simple form	V-ing form
I could congress you could congress he could congress we could congress you could congress they could congress	I could be congressing you could be congressing he could be congressing we could be congressing you could be congressing they could be congressing
Perfect	V-ing perfect
I could have congressed you could have congressed he could have congressed we could have congressed you could have congressed they could have congressed	I could have been congressing you could have been congressing he could have been congressing we could have been congressing you could have been congressing they could have been congressing

Negation

Simple form	V-ing form
I could not congress you could not congress he could not congress we could not congress you could not congress they could not congress	I could not be congressing you could not be congressing he could not be congressing we could not be congressing you could not be congressing they could not be congressing
Perfect	V-ing perfect
I could not have congressed you could not have congressed he could not have congressed we could not have congressed you could not have congressed they could not have congressed	I could not have been congressing you could not have been congressing he could not have been congressing we could not have been congressing you could not have been congressing they could not have been congressing

Interrogative form

Simple form	V-ing form
could I congress? could you congress? could he congress? could we congress? could you congress? could they congress?	could I be congressing? could you be congressing? could he be congressing? could we be congressing? could you be congressing? could they be congressing?
Perfect	V-ing perfect
could I have congressed? could you have congressed? could he have congressed? could we have congressed? could you have congressed? could they have congressed?	could I have been congressing? could you have been congressing? could he have been congressing? could we have been congressing? could you have been congressing? could they have been congressing?

Interro-negative form

Simple form	V-ing form
could I not congress? could you not congress? could he not congress? could we not congress? could you not congress? could they not congress?	could I not be congressing? could you not be congressing? could he not be congressing? could we not be congressing? could you not be congressing? could they not be congressing?
Perfect	V-ing perfect
could I not have congressed? could you not have congressed? could he not have congressed? could we not have congressed? could you not have congressed? could they not have congressed?	could I not have been congressing? could you not have been congressing? could he not have been congressing? could we not have been congressing? could you not have been congressing? could they not have been congressing?