English verb conjugation
COULD CAPER

Regular verb: caper - capered - capered

Affirmation

Simple form	V-ing form
I could caper you could caper she could caper we could caper you could caper they could caper	I could be capering you could be capering she could be capering we could be capering you could be capering they could be capering
Perfect	V-ing perfect
I could have capered you could have capered she could have capered we could have capered you could have capered they could have capered	I could have been capering you could have been capering she could have been capering we could have been capering you could have been capering they could have been capering

Negation

Simple form	V-ing form
I couldn't caper you couldn't caper she couldn't caper we couldn't caper you couldn't caper they couldn't caper	I couldn't be capering you couldn't be capering she couldn't be capering we couldn't be capering you couldn't be capering they couldn't be capering
Perfect	V-ing perfect
I couldn't have capered you couldn't have capered she couldn't have capered we couldn't have capered you couldn't have capered they couldn't have capered	I couldn't have been capering you couldn't have been capering she couldn't have been capering we couldn't have been capering you couldn't have been capering they couldn't have been capering

Interrogative form

Simple form	V-ing form
could I caper? could you caper? could she caper? could we caper? could you caper? could they caper?	could I be capering? could you be capering? could she be capering? could we be capering? could you be capering? could they be capering?
Perfect	V-ing perfect
could I have capered? could you have capered? could she have capered? could we have capered? could you have capered? could they have capered?	could I have been capering? could you have been capering? could she have been capering? could we have been capering? could you have been capering? could they have been capering?

Interro-negative form

Simple form	V-ing form
couldn't I caper? couldn't you caper? couldn't she caper? couldn't we caper? couldn't you caper? couldn't they caper?	couldn't I be capering? couldn't you be capering? couldn't she be capering? couldn't we be capering? couldn't you be capering? couldn't they be capering?
Perfect	V-ing perfect
couldn't I have capered? couldn't you have capered? couldn't she have capered? couldn't we have capered? couldn't you have capered? couldn't they have capered?	couldn't I have been capering? couldn't you have been capering? couldn't she have been capering? couldn't we have been capering? couldn't you have been capering? couldn't they have been capering?