English verb conjugation
COULD CONVOLUTE

Regular verb: convolute - convoluted - convoluted

Affirmation

Simple form	V-ing form
I could convolute you could convolute he could convolute we could convolute you could convolute they could convolute	I could be convoluting you could be convoluting he could be convoluting we could be convoluting you could be convoluting they could be convoluting
Perfect	V-ing perfect
I could have convoluted you could have convoluted he could have convoluted we could have convoluted you could have convoluted they could have convoluted	I could have been convoluting you could have been convoluting he could have been convoluting we could have been convoluting you could have been convoluting they could have been convoluting

Negation

Simple form	V-ing form
I couldn't convolute you couldn't convolute he couldn't convolute we couldn't convolute you couldn't convolute they couldn't convolute	I couldn't be convoluting you couldn't be convoluting he couldn't be convoluting we couldn't be convoluting you couldn't be convoluting they couldn't be convoluting
Perfect	V-ing perfect
I couldn't have convoluted you couldn't have convoluted he couldn't have convoluted we couldn't have convoluted you couldn't have convoluted they couldn't have convoluted	I couldn't have been convoluting you couldn't have been convoluting he couldn't have been convoluting we couldn't have been convoluting you couldn't have been convoluting they couldn't have been convoluting

Interrogative form

Simple form	V-ing form
could I convolute? could you convolute? could he convolute? could we convolute? could you convolute? could they convolute?	could I be convoluting? could you be convoluting? could he be convoluting? could we be convoluting? could you be convoluting? could they be convoluting?
Perfect	V-ing perfect
could I have convoluted? could you have convoluted? could he have convoluted? could we have convoluted? could you have convoluted? could they have convoluted?	could I have been convoluting? could you have been convoluting? could he have been convoluting? could we have been convoluting? could you have been convoluting? could they have been convoluting?

Interro-negative form

Simple form	V-ing form
couldn't I convolute? couldn't you convolute? couldn't he convolute? couldn't we convolute? couldn't you convolute? couldn't they convolute?	couldn't I be convoluting? couldn't you be convoluting? couldn't he be convoluting? couldn't we be convoluting? couldn't you be convoluting? couldn't they be convoluting?
Perfect	V-ing perfect
couldn't I have convoluted? couldn't you have convoluted? couldn't he have convoluted? couldn't we have convoluted? couldn't you have convoluted? couldn't they have convoluted?	couldn't I have been convoluting? couldn't you have been convoluting? couldn't he have been convoluting? couldn't we have been convoluting? couldn't you have been convoluting? couldn't they have been convoluting?