English verb conjugation
COULD PUPPETEER

Regular verb: puppeteer - puppeteered - puppeteered

Affirmation

Simple form	V-ing form
I could puppeteer you could puppeteer he could puppeteer we could puppeteer you could puppeteer they could puppeteer	I could be puppeteering you could be puppeteering he could be puppeteering we could be puppeteering you could be puppeteering they could be puppeteering
Perfect	V-ing perfect
I could have puppeteered you could have puppeteered he could have puppeteered we could have puppeteered you could have puppeteered they could have puppeteered	I could have been puppeteering you could have been puppeteering he could have been puppeteering we could have been puppeteering you could have been puppeteering they could have been puppeteering

Negation

Simple form	V-ing form
I could not puppeteer you could not puppeteer he could not puppeteer we could not puppeteer you could not puppeteer they could not puppeteer	I could not be puppeteering you could not be puppeteering he could not be puppeteering we could not be puppeteering you could not be puppeteering they could not be puppeteering
Perfect	V-ing perfect
I could not have puppeteered you could not have puppeteered he could not have puppeteered we could not have puppeteered you could not have puppeteered they could not have puppeteered	I could not have been puppeteering you could not have been puppeteering he could not have been puppeteering we could not have been puppeteering you could not have been puppeteering they could not have been puppeteering

Interrogative form

Simple form	V-ing form
could I puppeteer? could you puppeteer? could he puppeteer? could we puppeteer? could you puppeteer? could they puppeteer?	could I be puppeteering? could you be puppeteering? could he be puppeteering? could we be puppeteering? could you be puppeteering? could they be puppeteering?
Perfect	V-ing perfect
could I have puppeteered? could you have puppeteered? could he have puppeteered? could we have puppeteered? could you have puppeteered? could they have puppeteered?	could I have been puppeteering? could you have been puppeteering? could he have been puppeteering? could we have been puppeteering? could you have been puppeteering? could they have been puppeteering?

Interro-negative form

Simple form	V-ing form
could I not puppeteer? could you not puppeteer? could he not puppeteer? could we not puppeteer? could you not puppeteer? could they not puppeteer?	could I not be puppeteering? could you not be puppeteering? could he not be puppeteering? could we not be puppeteering? could you not be puppeteering? could they not be puppeteering?
Perfect	V-ing perfect
could I not have puppeteered? could you not have puppeteered? could he not have puppeteered? could we not have puppeteered? could you not have puppeteered? could they not have puppeteered?	could I not have been puppeteering? could you not have been puppeteering? could he not have been puppeteering? could we not have been puppeteering? could you not have been puppeteering? could they not have been puppeteering?