English verb conjugation
COULD PRESHOW

Irregular verb: preshow - preshowed - preshown

Affirmation

Simple form	V-ing form
I could preshow you could preshow he could preshow we could preshow you could preshow they could preshow	I could be preshowing you could be preshowing he could be preshowing we could be preshowing you could be preshowing they could be preshowing
Perfect	V-ing perfect
I could have preshown you could have preshown he could have preshown we could have preshown you could have preshown they could have preshown	I could have been preshowing you could have been preshowing he could have been preshowing we could have been preshowing you could have been preshowing they could have been preshowing

Negation

Simple form	V-ing form
I could not preshow you could not preshow he could not preshow we could not preshow you could not preshow they could not preshow	I could not be preshowing you could not be preshowing he could not be preshowing we could not be preshowing you could not be preshowing they could not be preshowing
Perfect	V-ing perfect
I could not have preshown you could not have preshown he could not have preshown we could not have preshown you could not have preshown they could not have preshown	I could not have been preshowing you could not have been preshowing he could not have been preshowing we could not have been preshowing you could not have been preshowing they could not have been preshowing

Interrogative form

Simple form	V-ing form
could I preshow? could you preshow? could he preshow? could we preshow? could you preshow? could they preshow?	could I be preshowing? could you be preshowing? could he be preshowing? could we be preshowing? could you be preshowing? could they be preshowing?
Perfect	V-ing perfect
could I have preshown? could you have preshown? could he have preshown? could we have preshown? could you have preshown? could they have preshown?	could I have been preshowing? could you have been preshowing? could he have been preshowing? could we have been preshowing? could you have been preshowing? could they have been preshowing?

Interro-negative form

Simple form	V-ing form
could I not preshow? could you not preshow? could he not preshow? could we not preshow? could you not preshow? could they not preshow?	could I not be preshowing? could you not be preshowing? could he not be preshowing? could we not be preshowing? could you not be preshowing? could they not be preshowing?
Perfect	V-ing perfect
could I not have preshown? could you not have preshown? could he not have preshown? could we not have preshown? could you not have preshown? could they not have preshown?	could I not have been preshowing? could you not have been preshowing? could he not have been preshowing? could we not have been preshowing? could you not have been preshowing? could they not have been preshowing?