I can quickstep you can quickstep she can quickstep we can quickstep you can quickstep they can quickstep
V-ing form
I can be quicksteping you can be quicksteping she can be quicksteping we can be quicksteping you can be quicksteping they can be quicksteping
Perfect
I can have quicksteped you can have quicksteped she can have quicksteped we can have quicksteped you can have quicksteped they can have quicksteped
V-ing perfect
I can have been quicksteping you can have been quicksteping she can have been quicksteping we can have been quicksteping you can have been quicksteping they can have been quicksteping
Negation
Simple form
I cannot quickstep you cannot quickstep she cannot quickstep we cannot quickstep you cannot quickstep they cannot quickstep
V-ing form
I cannot be quicksteping you cannot be quicksteping she cannot be quicksteping we cannot be quicksteping you cannot be quicksteping they cannot be quicksteping
Perfect
I cannot have quicksteped you cannot have quicksteped she cannot have quicksteped we cannot have quicksteped you cannot have quicksteped they cannot have quicksteped
V-ing perfect
I cannot have been quicksteping you cannot have been quicksteping she cannot have been quicksteping we cannot have been quicksteping you cannot have been quicksteping they cannot have been quicksteping
Interrogative form
Simple form
can I quickstep? can you quickstep? can she quickstep? can we quickstep? can you quickstep? can they quickstep?
V-ing form
can I be quicksteping? can you be quicksteping? can she be quicksteping? can we be quicksteping? can you be quicksteping? can they be quicksteping?
Perfect
can I have quicksteped? can you have quicksteped? can she have quicksteped? can we have quicksteped? can you have quicksteped? can they have quicksteped?
V-ing perfect
can I have been quicksteping? can you have been quicksteping? can she have been quicksteping? can we have been quicksteping? can you have been quicksteping? can they have been quicksteping?
Interro-negative form
Simple form
can I not quickstep? can you not quickstep? can she not quickstep? can we not quickstep? can you not quickstep? can they not quickstep?
V-ing form
can I not be quicksteping? can you not be quicksteping? can she not be quicksteping? can we not be quicksteping? can you not be quicksteping? can they not be quicksteping?
Perfect
can I not have quicksteped? can you not have quicksteped? can she not have quicksteped? can we not have quicksteped? can you not have quicksteped? can they not have quicksteped?
V-ing perfect
can I not have been quicksteping? can you not have been quicksteping? can she not have been quicksteping? can we not have been quicksteping? can you not have been quicksteping? can they not have been quicksteping?