English verb conjugation
COULD ONE-STEP

Regular verb: one-step - one-steped - one-steped

Affirmation

Simple form	V-ing form
I could one-step you could one-step she could one-step we could one-step you could one-step they could one-step	I could be one-steping you could be one-steping she could be one-steping we could be one-steping you could be one-steping they could be one-steping
Perfect	V-ing perfect
I could have one-steped you could have one-steped she could have one-steped we could have one-steped you could have one-steped they could have one-steped	I could have been one-steping you could have been one-steping she could have been one-steping we could have been one-steping you could have been one-steping they could have been one-steping

Negation

Simple form	V-ing form
I could not one-step you could not one-step she could not one-step we could not one-step you could not one-step they could not one-step	I could not be one-steping you could not be one-steping she could not be one-steping we could not be one-steping you could not be one-steping they could not be one-steping
Perfect	V-ing perfect
I could not have one-steped you could not have one-steped she could not have one-steped we could not have one-steped you could not have one-steped they could not have one-steped	I could not have been one-steping you could not have been one-steping she could not have been one-steping we could not have been one-steping you could not have been one-steping they could not have been one-steping

Interrogative form

Simple form	V-ing form
could I one-step? could you one-step? could she one-step? could we one-step? could you one-step? could they one-step?	could I be one-steping? could you be one-steping? could she be one-steping? could we be one-steping? could you be one-steping? could they be one-steping?
Perfect	V-ing perfect
could I have one-steped? could you have one-steped? could she have one-steped? could we have one-steped? could you have one-steped? could they have one-steped?	could I have been one-steping? could you have been one-steping? could she have been one-steping? could we have been one-steping? could you have been one-steping? could they have been one-steping?

Interro-negative form

Simple form	V-ing form
could I not one-step? could you not one-step? could she not one-step? could we not one-step? could you not one-step? could they not one-step?	could I not be one-steping? could you not be one-steping? could she not be one-steping? could we not be one-steping? could you not be one-steping? could they not be one-steping?
Perfect	V-ing perfect
could I not have one-steped? could you not have one-steped? could she not have one-steped? could we not have one-steped? could you not have one-steped? could they not have one-steped?	could I not have been one-steping? could you not have been one-steping? could she not have been one-steping? could we not have been one-steping? could you not have been one-steping? could they not have been one-steping?