English verb conjugation
COULD QUICKSTEP

Regular verb: quickstep - quicksteped - quicksteped

Affirmation

Simple form	V-ing form
I could quickstep you could quickstep she could quickstep we could quickstep you could quickstep they could quickstep	I could be quicksteping you could be quicksteping she could be quicksteping we could be quicksteping you could be quicksteping they could be quicksteping
Perfect	V-ing perfect
I could have quicksteped you could have quicksteped she could have quicksteped we could have quicksteped you could have quicksteped they could have quicksteped	I could have been quicksteping you could have been quicksteping she could have been quicksteping we could have been quicksteping you could have been quicksteping they could have been quicksteping

Negation

Simple form	V-ing form
I could not quickstep you could not quickstep she could not quickstep we could not quickstep you could not quickstep they could not quickstep	I could not be quicksteping you could not be quicksteping she could not be quicksteping we could not be quicksteping you could not be quicksteping they could not be quicksteping
Perfect	V-ing perfect
I could not have quicksteped you could not have quicksteped she could not have quicksteped we could not have quicksteped you could not have quicksteped they could not have quicksteped	I could not have been quicksteping you could not have been quicksteping she could not have been quicksteping we could not have been quicksteping you could not have been quicksteping they could not have been quicksteping

Interrogative form

Simple form	V-ing form
could I quickstep? could you quickstep? could she quickstep? could we quickstep? could you quickstep? could they quickstep?	could I be quicksteping? could you be quicksteping? could she be quicksteping? could we be quicksteping? could you be quicksteping? could they be quicksteping?
Perfect	V-ing perfect
could I have quicksteped? could you have quicksteped? could she have quicksteped? could we have quicksteped? could you have quicksteped? could they have quicksteped?	could I have been quicksteping? could you have been quicksteping? could she have been quicksteping? could we have been quicksteping? could you have been quicksteping? could they have been quicksteping?

Interro-negative form

Simple form	V-ing form
could I not quickstep? could you not quickstep? could she not quickstep? could we not quickstep? could you not quickstep? could they not quickstep?	could I not be quicksteping? could you not be quicksteping? could she not be quicksteping? could we not be quicksteping? could you not be quicksteping? could they not be quicksteping?
Perfect	V-ing perfect
could I not have quicksteped? could you not have quicksteped? could she not have quicksteped? could we not have quicksteped? could you not have quicksteped? could they not have quicksteped?	could I not have been quicksteping? could you not have been quicksteping? could she not have been quicksteping? could we not have been quicksteping? could you not have been quicksteping? could they not have been quicksteping?