English verb conjugation
COULD PERMUTE

Regular verb: permute - permuted - permuted

Affirmation

Simple form	V-ing form
I could permute you could permute he could permute we could permute you could permute they could permute	I could be permuting you could be permuting he could be permuting we could be permuting you could be permuting they could be permuting
Perfect	V-ing perfect
I could have permuted you could have permuted he could have permuted we could have permuted you could have permuted they could have permuted	I could have been permuting you could have been permuting he could have been permuting we could have been permuting you could have been permuting they could have been permuting

Negation

Simple form	V-ing form
I could not permute you could not permute he could not permute we could not permute you could not permute they could not permute	I could not be permuting you could not be permuting he could not be permuting we could not be permuting you could not be permuting they could not be permuting
Perfect	V-ing perfect
I could not have permuted you could not have permuted he could not have permuted we could not have permuted you could not have permuted they could not have permuted	I could not have been permuting you could not have been permuting he could not have been permuting we could not have been permuting you could not have been permuting they could not have been permuting

Interrogative form

Simple form	V-ing form
could I permute? could you permute? could he permute? could we permute? could you permute? could they permute?	could I be permuting? could you be permuting? could he be permuting? could we be permuting? could you be permuting? could they be permuting?
Perfect	V-ing perfect
could I have permuted? could you have permuted? could he have permuted? could we have permuted? could you have permuted? could they have permuted?	could I have been permuting? could you have been permuting? could he have been permuting? could we have been permuting? could you have been permuting? could they have been permuting?

Interro-negative form

Simple form	V-ing form
could I not permute? could you not permute? could he not permute? could we not permute? could you not permute? could they not permute?	could I not be permuting? could you not be permuting? could he not be permuting? could we not be permuting? could you not be permuting? could they not be permuting?
Perfect	V-ing perfect
could I not have permuted? could you not have permuted? could he not have permuted? could we not have permuted? could you not have permuted? could they not have permuted?	could I not have been permuting? could you not have been permuting? could he not have been permuting? could we not have been permuting? could you not have been permuting? could they not have been permuting?